#!/bin/sh# Usage:#   vyuv.sh -i *.yuv#   vyuv.sh -W 320 -H 240 *.yuvviewer=xvfiles=while true; do  case $1 in  -i)     yuv2ppm_opts="$yuv2ppm_opts -i"     shift     ;;  -v)     yuv2ppm_opts="$yuv2ppm_opts -v"     shift     ;;  -W)     yuv2ppm_opts="$yuv2ppm_opts -W $2"     shift     shift     ;;  -H)     yuv2ppm_opts="$yuv2ppm_opts -H $2"     shift     shift     ;;  *)     break;     ;;  esacdonefor i in $*; do ppm=`dirname $i`/`basename $i .yuv`.ppm echo "yuv2ppm $yuv2ppm_opts < $i > $ppm" yuv2ppm $yuv2ppm_opts < $i > $ppm files="$files $ppm"done$viewer $files