[GRASS-dev] [GRASS GIS] #3963: Document turning off progress messages on batch jobs

[GRASS GIS]

#3963: Document turning off progress messages on batch jobs
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 Reporter:  jidanni      |      Owner:  grass-dev@…
     Type:  enhancement  |     Status:  new
 Priority:  trivial      |  Milestone:
Component:  Docs         |    Version:  unspecified
 Keywords:               |        CPU:  Unspecified
 Platform:  Unspecified  |
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 On https://grass.osgeo.org/grass79/manuals/grass7.html , regarding running
 batch jobs, it needs to be mentioned
 how to suppress these six verbose lines,
 {{{
 $ grass --exec true 2>&1 | nl
      1  Starting GRASS GIS...
      2  Cleaning up temporary files...
      3  Executing <true> ...
      4  Execution of <true> finished.
      5  Cleaning up default sqlite database ...
      6  Cleaning up temporary files...
 }}}

 in order to have a clean running batch job, (e.g., one that could be
 run by cron without sending the user an email message due to errors.)

 Alas, the grass man page does not list a --quiet option.

 Sure, the man page could simply say to use 2>&- or 2>/dev/null,
 but that would also wipe out real error messages.

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Ticket URL: <https://trac.osgeo.org/grass/ticket/3963>
GRASS GIS <https://grass.osgeo.org>