[GRASS-user] problems with v.edit

[chiaraercoli at tiscali.it]

Hi all.
I have a problem with v-edit.
I have to break a vector line 
into two parts near a point. I gave this command:

v.edit map=ret_125 
layer=1 type=line tool=break thresh=$ris_edit coords=$x,$y snap=no
 

where " $ris_edit "  depends on the resolution of the DEM raster map,  
"$x" and "$y" are the coordinates of the point.
I'm using GRASS 6.3.

What I'm missing? 


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