[GRASS-dev] v.out.ascii format=script

[Jachym Cepicky]

hallo,
On Sat, Jun 03, 2006 at 02:52:52AM +0100, Glynn Clements wrote:
> 
> Jachym Cepicky wrote:
> 
> > parsing the output from v.out.ascii format=standard is hard work. 
> > 
> > Attached patch adds new output format to v.out.ascii called "script".
> > With this output, working with vector data in our scripts should be
> > *much* simpler.
> > 
> > If format=script is choosed, each feature will be printed in one line,
> > so e.g.
> > 
> > B  6 1
> >  5958812.48844435 3400828.84221011
> >  5958957.29887089 3400877.11235229
> >  5959021.65906046 3400930.7458436
> >  5959048.47580612 3400973.65263665
> >  5959069.92920264 3401032.64947709
> >  5958812.48844435 3400828.84221011
> > 1 1
> > 
> > will become
> > 
> > B:6:1:1 1:5958812.48844435 3400828.84221011:5958957.29887089 3400877.11235229:....
> 
> Many of the tools which you might want to use to process such data
> may have limits on the maximum length of a line.
> 
> Writing scripts which expect all the data on one line is a recipe for
> producing scripts which only work with "simple" maps (or which only
> work with the GNU versions of the standard tools, as they usually
> allocate line buffers dynamically).
> 
> -- 
> Glynn Clements <glynn at gclements.plus.com>

you are right. I found another solution

thanks

Jachym
-- 
Jachym Cepicky
e-mail: jachym.cepicky at centrum.cz
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