Fri Nov 3 10:21:39 PDT 2017

Author: neteler
Date: 2017-11-03 10:21:39 -0700 (Fri, 03 Nov 2017)
New Revision: 71636

Modified:
   grass/trunk/display/d.northarrow/thumbnails/1a.png
   grass/trunk/display/d.northarrow/thumbnails/1b.png
   grass/trunk/display/d.northarrow/thumbnails/2.png
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   grass/trunk/display/d.northarrow/thumbnails/7b.png
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   grass/trunk/display/d.northarrow/thumbnails/8b.png
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   grass/trunk/display/d.northarrow/thumbnails/basic_compass.png
   grass/trunk/display/d.northarrow/thumbnails/fancy_compass.png
   grass/trunk/display/d.northarrow/thumbnails/star.png
   grass/trunk/display/d.vect.thematic/legend.c
   grass/trunk/doc/python/script/Makefile
   grass/trunk/doc/python/script/r.example.html
   grass/trunk/doc/python/script/r.example.py
   grass/trunk/gui/images/symbols/basic/arrow.png
   grass/trunk/gui/wxpython/image2target/Makefile
   grass/trunk/gui/wxpython/image2target/__init__.py
   grass/trunk/gui/wxpython/image2target/g.gui.image2target.html
   grass/trunk/gui/wxpython/image2target/g.gui.image2target.py
   grass/trunk/gui/wxpython/image2target/ii2t_gis_set.py
   grass/trunk/gui/wxpython/image2target/ii2t_gis_set_error.py
   grass/trunk/gui/wxpython/image2target/ii2t_manager.py
   grass/trunk/gui/wxpython/image2target/ii2t_mapdisplay.py
   grass/trunk/gui/wxpython/image2target/ii2t_menustrings.py
   grass/trunk/gui/wxpython/image2target/ii2t_statusbar.py
   grass/trunk/gui/wxpython/image2target/ii2t_toolbars.py
   grass/trunk/gui/wxpython/image2target/wxGUI_iimage2target_frame.jpg
   grass/trunk/gui/wxpython/startup/__init__.py
   grass/trunk/gui/wxpython/startup/locdownload.py
   grass/trunk/imagery/i.modis.qc/mod09GAa.c
   grass/trunk/imagery/i.modis.qc/mod09GAc.c
   grass/trunk/imagery/i.modis.qc/mod09GAd.c
   grass/trunk/imagery/i.modis.qc/mod09GAe.c
   grass/trunk/imagery/i.modis.qc/mod09GAsa.c
   grass/trunk/imagery/i.modis.qc/mod09GAsb.c
   grass/trunk/imagery/i.modis.qc/mod09GAsc.c
   grass/trunk/imagery/i.modis.qc/mod09GAsd.c
   grass/trunk/imagery/i.modis.qc/mod09GAse.c
   grass/trunk/imagery/i.modis.qc/mod09GAsf.c
   grass/trunk/imagery/i.modis.qc/mod09GAsg.c
   grass/trunk/imagery/i.modis.qc/mod09GAsh.c
   grass/trunk/imagery/i.modis.qc/mod09GAsi.c
   grass/trunk/imagery/i.modis.qc/mod09GAsj.c
   grass/trunk/imagery/i.modis.qc/mod09GAsk.c
   grass/trunk/imagery/i.ortho.photo/i.ortho.photo/Makefile
   grass/trunk/imagery/i.ortho.photo/i.ortho.photo/i.ortho.photo.html
   grass/trunk/imagery/i.ortho.photo/i.ortho.photo/menu.c
   grass/trunk/imagery/i.ortho.photo/i.ortho.target/Makefile
   grass/trunk/imagery/i.ortho.photo/i.ortho.target/i.ortho.target.html
   grass/trunk/imagery/i.ortho.photo/i.ortho.target/main.c
   grass/trunk/imagery/i.segment/cluster.c
   grass/trunk/lib/python/temporal/testsuite/unittests_temporal_raster_algebra_equal_ts.py
   grass/trunk/lib/python/temporal/testsuite/unittests_temporal_raster_algebra_spatial_topology.py
   grass/trunk/lib/python/temporal/testsuite/unittests_temporal_raster_conditionals_complement_else.py
   grass/trunk/lib/raster/testsuite/rast_parse_color_rule.py
   grass/trunk/lib/rst/interp_float/segmen2d_parallel.c
   grass/trunk/lib/vector/vedit/extend.c
   grass/trunk/mswindows/external/rbatch/batchfiles.md
   grass/trunk/raster/r.mapcalc/testsuite/test_nmedian_bug_3296.py
   grass/trunk/raster/r.patch/r_patch.png
   grass/trunk/raster/r.patch/r_patch_zeros_as_nulls.png
   grass/trunk/raster/r.sun/testsuite/test_rsun.py
   grass/trunk/raster/r.to.vect/set_error_handler.c
   grass/trunk/raster3d/r3.null/testsuite/test_r3_null_ticket_2992_more_nulls.sh
   grass/trunk/raster3d/r3.null/testsuite/test_r3_null_ticket_2992_null_by_value.sh
   grass/trunk/scripts/v.centroids/v_centroids.png
   grass/trunk/tools/symbol_to_img.sh
   grass/trunk/vector/v.info/testsuite/test_vinfo.py
   grass/trunk/vector/v.kernel/v_kernel.png
   grass/trunk/vector/v.surf.rst/testsuite/test_vsurfrst.py
Log:
svn propset on files


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Modified: grass/trunk/doc/python/script/r.example.html
===================================================================

--- grass/trunk/doc/python/script/r.example.html	2017-11-03 16:55:40 UTC (rev 71635)
+++ grass/trunk/doc/python/script/r.example.html	2017-11-03 17:21:39 UTC (rev 71636)
@@ -15,4 +15,4 @@
 
 GRASS Development Team
 
-<p><i>Last changed: $Date: 2014-08-05 17:45:01 -0400 (Tue, 05 Aug 2014) $</i>
+<p><i>Last changed: $Date$</i>


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Modified: grass/trunk/gui/wxpython/image2target/g.gui.image2target.html
===================================================================
--- grass/trunk/gui/wxpython/image2target/g.gui.image2target.html	2017-11-03 16:55:40 UTC (rev 71635)
+++ grass/trunk/gui/wxpython/image2target/g.gui.image2target.html	2017-11-03 17:21:39 UTC (rev 71636)
@@ -315,4 +315,4 @@
 Martin Landa, Czech Technical University in Prague, Czech Republic
 
 <p>
-<i>$Date: 2016-09-19 11:37:30 +0200 (lun., 19 sept. 2016) $</i>
+<i>$Date$</i>


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===================================================================
--- grass/trunk/imagery/i.ortho.photo/i.ortho.photo/i.ortho.photo.html	2017-11-03 16:55:40 UTC (rev 71635)
+++ grass/trunk/imagery/i.ortho.photo/i.ortho.photo/i.ortho.photo.html	2017-11-03 17:21:39 UTC (rev 71636)
@@ -40,4 +40,4 @@
 Mike Baba,  DBA Systems, Inc.<br>
 GRASS development team, 199?-2017<br>
 <p>
-<i>Last changed: $Date: 2017-01-14 $</i>
+<i>Last changed: $Date$</i>


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===================================================================
--- grass/trunk/imagery/i.ortho.photo/i.ortho.target/i.ortho.target.html	2017-11-03 16:55:40 UTC (rev 71635)
+++ grass/trunk/imagery/i.ortho.photo/i.ortho.target/i.ortho.target.html	2017-11-03 17:21:39 UTC (rev 71636)
@@ -20,4 +20,4 @@
 Mike Baba,  DBA Systems, Inc.<br>
 GRASS development team, 2017<br>
 <p>
-<i>Last changed: $Date: 2017-01-14 $</i>
+<i>Last changed: $Date$</i>


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Modified: grass/trunk/mswindows/external/rbatch/batchfiles.md
===================================================================
--- grass/trunk/mswindows/external/rbatch/batchfiles.md	2017-11-03 16:55:40 UTC (rev 71635)
+++ grass/trunk/mswindows/external/rbatch/batchfiles.md	2017-11-03 17:21:39 UTC (rev 71636)
@@ -1,406 +1,406 @@
-# Windows Batch Files for R #
-
-G. Grothendieck
-
-Software and documentation is (c) 2013 GKX Associates Inc. and licensed under [GPL 2.0](http://www.gnu.org/licenses/gpl-2.0.html).
-
-## Introduction ##
-
-This document describes a number of Windows batch, javascript and `.hta` files
-that may be used in conjunction with R.  Each is self contained and independent
-of the others.  None requires installation - just place on the Windows path or
-in current directory.  ^[To display the Windows path enter `path` without
-arguments at the Windows `cmd` line.  To display the path to the current
-directory enter `cd` without arguments at the Windows `cmd` line.]
-
-`R.bat` and `Rpathset.bat` are alternatives to each other intended to
-facilitate the use of R without permanently modifying the Windows
-configuration.   They can also be useful on systems with
-restricted access to the registry.
-`R.bat` uses heuristics to automatically locate `R`, `MiKTeX` and `Rtools`.  In
-contrast, `Rpathset.bat` takes a simpler approach of having the user manually
-edit the `set` statements in it.  `R.bat` does not require changes when you
-install a new version of R.  It will automatically detect this; however,
-`Rpathset.bat` will require that the `set` statements be modified
-appropriately.  `R.bat help` gives a quick overview and some examples.  Another
-way to use `R.bat` is to copy it to `#Rscript.bat` in which case a call to
-the new
-version can be placed in the first line of any R script to turn it into a
-Windows batch file (as described later).
-
-`movedir.bat` and `copydir.bat` are used for moving or copying packages from
-one library to another such as when R is upgraded to a new version.
-
-`el.js` runs its arguments in elevated mode (i.e. with Administrator
-privileges).
-
-`clip2r.js` copies the current clipboard into a running R instance. It can be
-used with `vim` or other text editor.
-
-`find-miktex.hta` displays a popup window showing where it found MiKTeX. 
-
-## R.bat ##
-
-### Purpose ###
-
-The purpose of `R.bat` is to facilitiate the use of R from the Windows `cmd` 
-line by eliminating the need to make any system changes.  There is no need to
-modify the Windows path or to set any environment variables for standard
-configurations of R.  It will automatically locate R (and Rtools and
-MiKTeX if installed) and then run `R.exe`, `Rgui.exe` or other command.
-
-Another scenario for which it is useful is when there are only restricted
-permissions available such as no ability to write to the registry.
-Windows supports 4 sets of environment variables (system, user, volatile,
-process) and the first three are stored in the registry but the last
-is stored only in the local process.
-`R.bat` can work with process environment variables so it can be used in
-such situations where there are minimal permissions.
-
-Like all the other utilities here, `R.bat` is a self contained no-install script
-with no dependencies so just place it anywhere on your Windows path or in the 
-current directory.
-
-### Typical Usage ###
-
-Typical usage of `R.bat` to launch R gui is the following ^[
-If `R.exe` were on the Windows path and before `R.bat` then it would
-have to be written as follows: `R.bat gui`]:
-
-	R gui
-
-
-This runs `Rgui.exe`.  If further arguments are specified they are passed on to
-`Rgui.exe`.  For example,
-
-	R gui --help
-
-will run: 
-
-	Rgui.exe --help
-
-### Subcommands ###
-
-If the first argument is optionally one of `cd`, `cmd`, `dir`, `gui`, `help`,
-`path`, `R`, `script`, `show`, `SetReg`, `tools`, `touch` or the same except
-for upper/lower case then that argument is referred to as the subcommand.  
-
-If no subcommand is provided then the default subcommand is derived from the
-name of the script.
-
-If the script is named `R.bat` then the subcommand `R` is implied.  If the
-script has been renamed then any leading `R` is removed from the name and the
-remainder becomes the default subcommand.  For example, if `R.bat` were renamed
-`Rgui.bat` then issuing `Rgui` would be the same as running `R gui` .
-
-### Other R Executables ###
-
-Other executable files that come with R (`R.exe`, `Rcmd.exe`, `Rscript.exe`)
-can be run in a similar way:
-
-	R --help
-	R cmd --help
-	R script --help
-
-(`RSetReg.exe` is another executable that comes with R for Windows. It will be 
-discussed later.)
-
-### Support Subcommands ###
-
-There are also some support commands:
-
-	R cd
-	R dir
-	R ls
-	R help
-	R show
-
-`R cd` changes directory to the `R_ROOT` directory (typically 
-`C:\Program Files\R`).
-
-`R dir` displays the contents of that directory in chronological order - oldest
-first and most recent last.  `R ls` is the same as `R dir`.
-
-`R show` shows the values of the `R_` environment variables used by `R.bat` .
-Below is a list with typical values.  These values are determined by the script
-heuristically (or the user can set any before running `R.bat` or 
-`R.bat` itself can be customized by setting any of them near top of the script).
-
-	R_ARCH=x64
-	R_CMD=RShow
-	R_HOME=C:\Program Files\R\R-2.15.3
-	R_MIKTEX_PATH=\Program Files (x86)\MiKTeX 2.9\miktex\bin
-	R_PATH=C:\Program Files\R\R-2.15.3\bin\x64
-	R_REGISTRY=1
-	R_ROOT=C:\Program Files\R
-	R_TOOLS=C:\Rtools
-	R_TOOLS_PATH=C:\Rtools\bin;C:\Rtools\gcc-4.6.3\bin;
-	R_TOOLS_VERSION=3.0.0.1927
-	R_VER=R-2.15.3
-
-`R_PATH`, `R_MIKTEX_PATH` and `R_TOOLS_PATH` are the paths to the directories
-holding the `R`, `MiKTeX` and `Rtools` binaries (i.e. `.exe` files).  
-
-`R_CMD` indicates the subcommand or if no subcommand specified then it is
-derived from the name of the script.  For example if the script were renamed
-`Rgui.bat` then if no subcommand were specified it would default to `gui`.
-
-`R_ROOT` is the directory holding all the R installations. `R_HOME` is the
-directory of the particular R installation.  `R_HOME` is made up of `R_ROOT`
-and `R_VER` so that `R_VER` represents the directory that holds the particular
-R version used.  `R_ARCH` is `i386` or `x64` for 32 bit or 64 bit R
-respectively.  It can also be specified as `32` or `64` in which case it will
-be translated automatically.  See the `R show` output above for examples of
-values for these variables.
-
-### Path Setting Subcommands ###
-
-The command 
-
-	R path
-
-adds `R_PATH`, `R_MIKTEX_PATH` and `R_TOOLS` to the Windows path for the
-current `cmd` line session.  No other `cmd` line sessions are affected and
-there are no permanent changes to the system.  Once this is run 
-the R binaries will be on the path so they can be accessed directly without
-`R.bat` within the same Windows cmd line session.
-
-This mode of operation has the advantage that startup will be slightly faster
-since  `R.bat` will not have to run each time that `R` is started. ^[On a 
-1.9 GHz Windows 8 machine `R.bat show` runs in 0.75 seconds.]
-
-Note that if both `R.bat` and `R.exe` exist on the Windows path then the first
-on the path will be called if one uses:
-
-	R ...arguments...
-
-thus one may wish to enter `R.bat` or `R.exe` rather than just `R` for clarity. 
-
-Alternately, rename `R.bat` to `Rpath.bat` in which case the command `R path`
-becomes just `Rpath` and `R` becomes unambiguous.
-
-(An alternative to `R path` is the `Rpathset.bat` utility which will be 
-described later.)
-
-The command
-
-	R tools
-
-is similar to `R path` except only `R_TOOLS_PATH` and `R_MIKTEX_PATH` are
-added to the path (but not `R_PATH`).  This might be useful if you need to use
-those utilities without R.
-
-
-### Selecting R Version ###
-
-For R installations using the standard locations and not specifying any of the
-R_ environment variables the registry will determine which version of R is used
-(assuming `R_REGISTRY` is not `0`).  If R is not found in the registry or if
-`R_REGISTRY` is `0` then the R
-installation in `R_ROOT` which has the most recent date will be used.
-
-If we enter this at the `cmd` line:
-
-	set R_VER=R-2.14.0
-
-then for the remainder of this `cmd` line session that version will be used.
-If one wishes to use two different R versions at once we could spawn a new `cmd`
-line session:
-
-	start
-
-and then enter the same set command into the new window.  Now any use of R in
-the original window will use the default version whereas in the new `cmd` line
-window it will use the specified version.
-
-One can change the registry entry permanently to refer to a particlar version
-like this:
-
-	cmd /c set R_VER=R-2.14.0 ^& R SetReg
-
-This requires Administrator privileges. If not already running as 
-Administrator a window will pop up requesting permission to proceed.
-
-If the registry is empty or `R_REGISTRY=0` then the default version is not
-determined by the registry but is
-determined by which R install directory is the most recent.  To make a
-particular R install directory the most recent run the following in a `cmd`
-line session with Administrator privileges:
-
-	R dir
-	el cmd /c set R_VER=R-2.14.0 ^& R touch
-
-The value of `R_VER` in the above line must be one of the directories listed 
-by `R dir`.  The `el.js` command used in the above code comes with these batch 
-files and provides one way to elevate commands to have Administrator 
-privileges.
-
-Note that `R SetReg` and `R touch` make permanent changes to the system
-(namely installing or uninstalling the R key and updating the date on a
-particular R directory, respectively) but the other subcommands make no
-permanent changes.
-
-### Heuristic to Locate R ###
-
-1. If `.\Rgui.exe` exists use implied `R_PATH` and skip remaining points.
-
-2. If `.\{x64,i386}\Rgui.exe` or `.\bin\{x64,i386}\Rgui.exe` exists use implied
-`R_HOME`.
-
-3. If `R_HOME` defined then derive any of `R_ROOT` and `R_VER` that are not
-already defined.
-
-4. If `R_PATH` defined then derive any of `R_ROOT`, `R_HOME`, `R_VER` and 
-`R_ARCH` that are not already defined.
-
-5. If `R_REGISTRY=1` and R found in registry derive any of `R_HOME`, `R_ROOT` 
-and `R_VER` that are not already defined.
-
-6. If R_ROOT not defined try `%ProgramFiles%\R\*`, `%ProgramFiles(x86)%\R\*`
-    and then `%SystemRoot%\R` else error.
-
-7. If `R_VER` not defined use last directory in `cd %R_ROOT% & dir /od`.
-
-8. if `R_ARCH` not defined try `%R_ROOT%\%R_VER%\bin\x64\Rgui.exe` and then
-    `%R_ROOT%\%R_VER%\bin\i386\Rgui.exe`
-
-9. If `R_ROOT`, `R_VER` and `R_ARCH` defined skip remaining points.
-
-10. If `Rgui.exe` found on `PATH` use implied `R_PATH`.
-
-## #Rscript.bat ##
-
-This is not a separate batch file but is yet another way to call `R.bat`.  
-Its purpose is to turn an R script into a Windows batch file.  
-
-1.  Copy `R.bat` to a file with the name `#Rscript.bat` like this 
-(from the Windows cmd line):
-
-	copy R.bat #Rscript.bat
-
-2. Ensure that `#Rscript.bat` is on your windows path.  Then we can turn an
-R script into a `.bat` file by 
-(a) giving the R script a `.bat` extension and 
-(b) putting this line as the 
-first line in the script: `#Rscript %0 %*`
-
-This makes the script both a Windows batch file and an R script at the same
-time. When run as a batch file it will invoke `#Rscript.bat` which in turn
-will self call the script as an R script.  (It would also be possible to
-run the script directly as an R script.  In that case the #Rscript line would
-be ignored since it would be regarded as a comment by R.)
-
-For example, if we have a file `test.bat` with the following two lines:
-
-	#Rscript %0 %*
-	print(pi)
-
-then we can invoke it from the Windows cmd line like this:
-
-	test
-
-## #Rscript2.bat ##
-
-This batch file is used in exactly the same manner as #Rscript.bat .  The only
-difference is that unlike #Rscript.bat which automatically finds R with this
-script the user must edit it to indicate where R is located.  Although this
-involves an extra installation step in return the script is very simple so
-its less likely to go wrong and if something does go wrong then its relatively
-simple to fix since the script itself is simple.
-
-If you have a 64 bit system then the only part that needs to be changed is
-changing the definition of R_HOME to point to your version of R.  If you
-have a 32 bit system then you will also have to modify the definition of
-R_ARCH on the appropriate line.  
-
-There is more information on this in the comments at the top of the script.
-
-## Rpathset.bat ##
-
-The command 
-
-	Rpathset
-
-adds `R_PATH`, `R_MIKTEX_PATH` and `R_TOOLS` to the Windows path for the
-current `cmd` line session.  No other `cmd` line sessions are affected and
-there are no permanent changes to the system.  Once this is run 
-the R binaries will be on the path so they can be accessed directly without
-`R.bat` .   
-
-`Rpathset` is an alternative to 
-
-	R path 
-
-but unlike `R.bat`, `Rpathset.bat` does not have any automatic heuristics.
-Instead, it requires that the user manually set the relevant variables in its
-source.  Running `Rpathset.bat` then sets the path accordingly and from then on
-in the session one can access `Rgui.exe`, etc. on the path.  Although
-`Rpathset.bat` involves manual editing it does have the advantage that as a
-consequence it is very simple -- not much more than a collection of Windows
-batch set commands. This makes it easy to customize, less fragile to 
-changes in the install procedures of `R` itself and is also more liklely to
-work on untested Windows configurations.
-
-`Rpathset.bat` might be used like this:
-
-	Rpathset
-	Rgui
-
-where `Rgui` is now directly accessing `Rgui.exe` as `Rpathset.bat` has added
-`R_PATH` to the Windows path.
-
-The set statements are documented in the source of the `Rpathset.bat` file 
-itself.
-
-## movedir.bat and copydir.bat ##
-
-`movedir.bat` and `copydir.bat` move or copy the packages from one library to
-another.  If used to transfer packages from one version of R to another it is
-recommended that the user run `upgrade.packages()` in the target.  For example,
-assuming the default location for the user libraries:
-
-	cd %userprofile%\Documents\win-library
-	copydir 2.15\library 3.0\library
-
-	R.bat gui 
-	... now enter update.packages(checkBuilt=TRUE) into R...
-
-(The `checkBuilt=TRUE` argument forces a rebuild and is normally not required
-when upgrading to another version that differs only in the minor version
-number, e.g. from 2.15.2 to 2.15.3.)
-
-`movedir.bat` and `copydir.bat` will not overwrite any existing package in the 
-target library so they are particularly safe to use.  (If you do wish to 
-overwrite such packages delete them from the target first using the Windows
-`del` command.)
-
-
-## el.js ##
-
-`el.js` runs its arguments elevated (i.e. with Adminstrator privileges).  For example,
-
-	el R touch
-
-The user will be prompted to allow elevation to proceed.
-
-## clip2r.js ##
-
-This program writes the clipboard into the running R session.  It can be used
-with `vim` or other editor.  See the source for additional instructions.
-
-## find-mixtex.hta ##
-
-This program displays a window showing where MiKTeX was found. It uses the
-MiKTeX API. This API is not used by `R.bat` .  Instead `R.bat` just looks in
-common places.  (Using this API may be incorporated into the `R.bat` heuristic 
-in the future.)
-
-## make-batchfiles-pdf.bat ##
-
-This batch file creates a pdf of this documentation from the markdown file
-`batchfiles.md` .  `pandoc` must be installed for this to run.  `pandoc` can be
-found [here](https://code.google.com/p/pandoc/downloads/list).  It is run
-without arguments:
-
-	make-batchfiles-pdf
-
+# Windows Batch Files for R #
+
+G. Grothendieck
+
+Software and documentation is (c) 2013 GKX Associates Inc. and licensed under [GPL 2.0](http://www.gnu.org/licenses/gpl-2.0.html).
+
+## Introduction ##
+
+This document describes a number of Windows batch, javascript and `.hta` files
+that may be used in conjunction with R.  Each is self contained and independent
+of the others.  None requires installation - just place on the Windows path or
+in current directory.  ^[To display the Windows path enter `path` without
+arguments at the Windows `cmd` line.  To display the path to the current
+directory enter `cd` without arguments at the Windows `cmd` line.]
+
+`R.bat` and `Rpathset.bat` are alternatives to each other intended to
+facilitate the use of R without permanently modifying the Windows
+configuration.   They can also be useful on systems with
+restricted access to the registry.
+`R.bat` uses heuristics to automatically locate `R`, `MiKTeX` and `Rtools`.  In
+contrast, `Rpathset.bat` takes a simpler approach of having the user manually
+edit the `set` statements in it.  `R.bat` does not require changes when you
+install a new version of R.  It will automatically detect this; however,
+`Rpathset.bat` will require that the `set` statements be modified
+appropriately.  `R.bat help` gives a quick overview and some examples.  Another
+way to use `R.bat` is to copy it to `#Rscript.bat` in which case a call to
+the new
+version can be placed in the first line of any R script to turn it into a
+Windows batch file (as described later).
+
+`movedir.bat` and `copydir.bat` are used for moving or copying packages from
+one library to another such as when R is upgraded to a new version.
+
+`el.js` runs its arguments in elevated mode (i.e. with Administrator
+privileges).
+
+`clip2r.js` copies the current clipboard into a running R instance. It can be
+used with `vim` or other text editor.
+
+`find-miktex.hta` displays a popup window showing where it found MiKTeX. 
+
+## R.bat ##
+
+### Purpose ###
+
+The purpose of `R.bat` is to facilitiate the use of R from the Windows `cmd` 
+line by eliminating the need to make any system changes.  There is no need to
+modify the Windows path or to set any environment variables for standard
+configurations of R.  It will automatically locate R (and Rtools and
+MiKTeX if installed) and then run `R.exe`, `Rgui.exe` or other command.
+
+Another scenario for which it is useful is when there are only restricted
+permissions available such as no ability to write to the registry.
+Windows supports 4 sets of environment variables (system, user, volatile,
+process) and the first three are stored in the registry but the last
+is stored only in the local process.
+`R.bat` can work with process environment variables so it can be used in
+such situations where there are minimal permissions.
+
+Like all the other utilities here, `R.bat` is a self contained no-install script
+with no dependencies so just place it anywhere on your Windows path or in the 
+current directory.
+
+### Typical Usage ###
+
+Typical usage of `R.bat` to launch R gui is the following ^[
+If `R.exe` were on the Windows path and before `R.bat` then it would
+have to be written as follows: `R.bat gui`]:
+
+	R gui
+
+
+This runs `Rgui.exe`.  If further arguments are specified they are passed on to
+`Rgui.exe`.  For example,
+
+	R gui --help
+
+will run: 
+
+	Rgui.exe --help
+
+### Subcommands ###
+
+If the first argument is optionally one of `cd`, `cmd`, `dir`, `gui`, `help`,
+`path`, `R`, `script`, `show`, `SetReg`, `tools`, `touch` or the same except
+for upper/lower case then that argument is referred to as the subcommand.  
+
+If no subcommand is provided then the default subcommand is derived from the
+name of the script.
+
+If the script is named `R.bat` then the subcommand `R` is implied.  If the
+script has been renamed then any leading `R` is removed from the name and the
+remainder becomes the default subcommand.  For example, if `R.bat` were renamed
+`Rgui.bat` then issuing `Rgui` would be the same as running `R gui` .
+
+### Other R Executables ###
+
+Other executable files that come with R (`R.exe`, `Rcmd.exe`, `Rscript.exe`)
+can be run in a similar way:
+
+	R --help
+	R cmd --help
+	R script --help
+
+(`RSetReg.exe` is another executable that comes with R for Windows. It will be 
+discussed later.)
+
+### Support Subcommands ###
+
+There are also some support commands:
+
+	R cd
+	R dir
+	R ls
+	R help
+	R show
+
+`R cd` changes directory to the `R_ROOT` directory (typically 
+`C:\Program Files\R`).
+
+`R dir` displays the contents of that directory in chronological order - oldest
+first and most recent last.  `R ls` is the same as `R dir`.
+
+`R show` shows the values of the `R_` environment variables used by `R.bat` .
+Below is a list with typical values.  These values are determined by the script
+heuristically (or the user can set any before running `R.bat` or 
+`R.bat` itself can be customized by setting any of them near top of the script).
+
+	R_ARCH=x64
+	R_CMD=RShow
+	R_HOME=C:\Program Files\R\R-2.15.3
+	R_MIKTEX_PATH=\Program Files (x86)\MiKTeX 2.9\miktex\bin
+	R_PATH=C:\Program Files\R\R-2.15.3\bin\x64
+	R_REGISTRY=1
+	R_ROOT=C:\Program Files\R
+	R_TOOLS=C:\Rtools
+	R_TOOLS_PATH=C:\Rtools\bin;C:\Rtools\gcc-4.6.3\bin;
+	R_TOOLS_VERSION=3.0.0.1927
+	R_VER=R-2.15.3
+
+`R_PATH`, `R_MIKTEX_PATH` and `R_TOOLS_PATH` are the paths to the directories
+holding the `R`, `MiKTeX` and `Rtools` binaries (i.e. `.exe` files).  
+
+`R_CMD` indicates the subcommand or if no subcommand specified then it is
+derived from the name of the script.  For example if the script were renamed
+`Rgui.bat` then if no subcommand were specified it would default to `gui`.
+
+`R_ROOT` is the directory holding all the R installations. `R_HOME` is the
+directory of the particular R installation.  `R_HOME` is made up of `R_ROOT`
+and `R_VER` so that `R_VER` represents the directory that holds the particular
+R version used.  `R_ARCH` is `i386` or `x64` for 32 bit or 64 bit R
+respectively.  It can also be specified as `32` or `64` in which case it will
+be translated automatically.  See the `R show` output above for examples of
+values for these variables.
+
+### Path Setting Subcommands ###
+
+The command 
+
+	R path
+
+adds `R_PATH`, `R_MIKTEX_PATH` and `R_TOOLS` to the Windows path for the
+current `cmd` line session.  No other `cmd` line sessions are affected and
+there are no permanent changes to the system.  Once this is run 
+the R binaries will be on the path so they can be accessed directly without
+`R.bat` within the same Windows cmd line session.
+
+This mode of operation has the advantage that startup will be slightly faster
+since  `R.bat` will not have to run each time that `R` is started. ^[On a 
+1.9 GHz Windows 8 machine `R.bat show` runs in 0.75 seconds.]
+
+Note that if both `R.bat` and `R.exe` exist on the Windows path then the first
+on the path will be called if one uses:
+
+	R ...arguments...
+
+thus one may wish to enter `R.bat` or `R.exe` rather than just `R` for clarity. 
+
+Alternately, rename `R.bat` to `Rpath.bat` in which case the command `R path`
+becomes just `Rpath` and `R` becomes unambiguous.
+
+(An alternative to `R path` is the `Rpathset.bat` utility which will be 
+described later.)
+
+The command
+
+	R tools
+
+is similar to `R path` except only `R_TOOLS_PATH` and `R_MIKTEX_PATH` are
+added to the path (but not `R_PATH`).  This might be useful if you need to use
+those utilities without R.
+
+
+### Selecting R Version ###
+
+For R installations using the standard locations and not specifying any of the
+R_ environment variables the registry will determine which version of R is used
+(assuming `R_REGISTRY` is not `0`).  If R is not found in the registry or if
+`R_REGISTRY` is `0` then the R
+installation in `R_ROOT` which has the most recent date will be used.
+
+If we enter this at the `cmd` line:
+
+	set R_VER=R-2.14.0
+
+then for the remainder of this `cmd` line session that version will be used.
+If one wishes to use two different R versions at once we could spawn a new `cmd`
+line session:
+
+	start
+
+and then enter the same set command into the new window.  Now any use of R in
+the original window will use the default version whereas in the new `cmd` line
+window it will use the specified version.
+
+One can change the registry entry permanently to refer to a particlar version
+like this:
+
+	cmd /c set R_VER=R-2.14.0 ^& R SetReg
+
+This requires Administrator privileges. If not already running as 
+Administrator a window will pop up requesting permission to proceed.
+
+If the registry is empty or `R_REGISTRY=0` then the default version is not
+determined by the registry but is
+determined by which R install directory is the most recent.  To make a
+particular R install directory the most recent run the following in a `cmd`
+line session with Administrator privileges:
+
+	R dir
+	el cmd /c set R_VER=R-2.14.0 ^& R touch
+
+The value of `R_VER` in the above line must be one of the directories listed 
+by `R dir`.  The `el.js` command used in the above code comes with these batch 
+files and provides one way to elevate commands to have Administrator 
+privileges.
+
+Note that `R SetReg` and `R touch` make permanent changes to the system
+(namely installing or uninstalling the R key and updating the date on a
+particular R directory, respectively) but the other subcommands make no
+permanent changes.
+
+### Heuristic to Locate R ###
+
+1. If `.\Rgui.exe` exists use implied `R_PATH` and skip remaining points.
+
+2. If `.\{x64,i386}\Rgui.exe` or `.\bin\{x64,i386}\Rgui.exe` exists use implied
+`R_HOME`.
+
+3. If `R_HOME` defined then derive any of `R_ROOT` and `R_VER` that are not
+already defined.
+
+4. If `R_PATH` defined then derive any of `R_ROOT`, `R_HOME`, `R_VER` and 
+`R_ARCH` that are not already defined.
+
+5. If `R_REGISTRY=1` and R found in registry derive any of `R_HOME`, `R_ROOT` 
+and `R_VER` that are not already defined.
+
+6. If R_ROOT not defined try `%ProgramFiles%\R\*`, `%ProgramFiles(x86)%\R\*`
+    and then `%SystemRoot%\R` else error.
+
+7. If `R_VER` not defined use last directory in `cd %R_ROOT% & dir /od`.
+
+8. if `R_ARCH` not defined try `%R_ROOT%\%R_VER%\bin\x64\Rgui.exe` and then
+    `%R_ROOT%\%R_VER%\bin\i386\Rgui.exe`
+
+9. If `R_ROOT`, `R_VER` and `R_ARCH` defined skip remaining points.
+
+10. If `Rgui.exe` found on `PATH` use implied `R_PATH`.
+
+## #Rscript.bat ##
+
+This is not a separate batch file but is yet another way to call `R.bat`.  
+Its purpose is to turn an R script into a Windows batch file.  
+
+1.  Copy `R.bat` to a file with the name `#Rscript.bat` like this 
+(from the Windows cmd line):
+
+	copy R.bat #Rscript.bat
+
+2. Ensure that `#Rscript.bat` is on your windows path.  Then we can turn an
+R script into a `.bat` file by 
+(a) giving the R script a `.bat` extension and 
+(b) putting this line as the 
+first line in the script: `#Rscript %0 %*`
+
+This makes the script both a Windows batch file and an R script at the same
+time. When run as a batch file it will invoke `#Rscript.bat` which in turn
+will self call the script as an R script.  (It would also be possible to
+run the script directly as an R script.  In that case the #Rscript line would
+be ignored since it would be regarded as a comment by R.)
+
+For example, if we have a file `test.bat` with the following two lines:
+
+	#Rscript %0 %*
+	print(pi)
+
+then we can invoke it from the Windows cmd line like this:
+
+	test
+
+## #Rscript2.bat ##
+
+This batch file is used in exactly the same manner as #Rscript.bat .  The only
+difference is that unlike #Rscript.bat which automatically finds R with this
+script the user must edit it to indicate where R is located.  Although this
+involves an extra installation step in return the script is very simple so
+its less likely to go wrong and if something does go wrong then its relatively
+simple to fix since the script itself is simple.
+
+If you have a 64 bit system then the only part that needs to be changed is
+changing the definition of R_HOME to point to your version of R.  If you
+have a 32 bit system then you will also have to modify the definition of
+R_ARCH on the appropriate line.  
+
+There is more information on this in the comments at the top of the script.
+
+## Rpathset.bat ##
+
+The command 
+
+	Rpathset
+
+adds `R_PATH`, `R_MIKTEX_PATH` and `R_TOOLS` to the Windows path for the
+current `cmd` line session.  No other `cmd` line sessions are affected and
+there are no permanent changes to the system.  Once this is run 
+the R binaries will be on the path so they can be accessed directly without
+`R.bat` .   
+
+`Rpathset` is an alternative to 
+
+	R path 
+
+but unlike `R.bat`, `Rpathset.bat` does not have any automatic heuristics.
+Instead, it requires that the user manually set the relevant variables in its
+source.  Running `Rpathset.bat` then sets the path accordingly and from then on
+in the session one can access `Rgui.exe`, etc. on the path.  Although
+`Rpathset.bat` involves manual editing it does have the advantage that as a
+consequence it is very simple -- not much more than a collection of Windows
+batch set commands. This makes it easy to customize, less fragile to 
+changes in the install procedures of `R` itself and is also more liklely to
+work on untested Windows configurations.
+
+`Rpathset.bat` might be used like this:
+
+	Rpathset
+	Rgui
+
+where `Rgui` is now directly accessing `Rgui.exe` as `Rpathset.bat` has added
+`R_PATH` to the Windows path.
+
+The set statements are documented in the source of the `Rpathset.bat` file 
+itself.
+
+## movedir.bat and copydir.bat ##
+
+`movedir.bat` and `copydir.bat` move or copy the packages from one library to
+another.  If used to transfer packages from one version of R to another it is
+recommended that the user run `upgrade.packages()` in the target.  For example,
+assuming the default location for the user libraries:
+
+	cd %userprofile%\Documents\win-library
+	copydir 2.15\library 3.0\library
+
+	R.bat gui 
+	... now enter update.packages(checkBuilt=TRUE) into R...
+
+(The `checkBuilt=TRUE` argument forces a rebuild and is normally not required
+when upgrading to another version that differs only in the minor version
+number, e.g. from 2.15.2 to 2.15.3.)
+
+`movedir.bat` and `copydir.bat` will not overwrite any existing package in the 
+target library so they are particularly safe to use.  (If you do wish to 
+overwrite such packages delete them from the target first using the Windows
+`del` command.)
+
+
+## el.js ##
+
+`el.js` runs its arguments elevated (i.e. with Adminstrator privileges).  For example,
+
+	el R touch
+
+The user will be prompted to allow elevation to proceed.
+
+## clip2r.js ##
+
+This program writes the clipboard into the running R session.  It can be used
+with `vim` or other editor.  See the source for additional instructions.
+
+## find-mixtex.hta ##
+
+This program displays a window showing where MiKTeX was found. It uses the
+MiKTeX API. This API is not used by `R.bat` .  Instead `R.bat` just looks in
+common places.  (Using this API may be incorporated into the `R.bat` heuristic 
+in the future.)
+
+## make-batchfiles-pdf.bat ##
+
+This batch file creates a pdf of this documentation from the markdown file
+`batchfiles.md` .  `pandoc` must be installed for this to run.  `pandoc` can be
+found [here](https://code.google.com/p/pandoc/downloads/list).  It is run
+without arguments:
+
+	make-batchfiles-pdf
+


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