#!/bin/bash
GVS=${HOME}/Devel/FloatImg/v4l2/grabvidseq
DEV=/dev/video2
SZ=640x480
NBRE=80
PERIOD=0.00
COUNT=compteur
# ------------------------------------
# get the current picture number
if [ -r $COUNT ]
then
numero=$( head -1 $COUNT )
else
numero=0
fi
# ------------------------------------
# make the output filename
if [ 1 -eq $# ]
then
outfile="$1"
else
outfile=$( printf "P_%04d.pnm" $numero )
fi
# ------------------------------------
# take and display the fancy picture
$GVS -d $DEV -n $NBRE -p $PERIOD -vv -s $SZ -o $outfile
# ------------------------------------
# increment and save the picture number
numero=$(( numero + 1 ))
echo $numero > $COUNT
Enregistré dans le dd2 du Tetalab.