#!/bin/bash src=foo.fimg maxi=90 grabvidseq -s 640x480 -vv -p 0 -n 2000 -c cos01 -o $src for foo in $(seq 0 $maxi) do fval=$(echo "$foo / $maxi" | bc -l) ./t -k $fval -v classif $src echo $foo $fval nom=$(printf "v_%03d.pnm" $foo) cp out.pnm $nom echo $nom done convert -delay 10 v_*.pnm foo.gif