#!/bin/sh # set -x X=504 Y=512 X2=`echo "$X + 10" | bc` Y2=`echo "$Y + 10" | bc` X3=`echo "$X + 20" | bc` Y3=$Y X4=`echo "$X + 10" | bc` Y4=`echo "$Y - 10" | bc` while read ARG1 ARG2 ARG3; do if [ x"$ARG1" = x ]; then continue fi if [ x`echo $ARG1 | sed 's/^#.*/YES/g'` = x"YES" ]; then continue fi CMD=$ARG1 echo before: $ARG3 ARG3=`eval "echo \"${C}${ARG3}\""` echo after: $ARG3 done