qcvc-restore-settings

来自「VC编写的USB QuickCam驱动程序,实现四种视频格式在linux下的编码」· 代码 · 共 36 行

#!/bin/sh

[ -d /proc/qcamvc ] || {
	echo "The QuickCam VC driver is not installed" >&2
	exit 1
}

case $# in
0)
	exec 4<&0
	;;

1)
	exec 4<"$1" || exit 1
	;;

*)
	echo "Usage: $0 [save-file]" >&2
	;;
esac

trap "rm -f /tmp/qcsettings_$$" 0 
trap "rm -f /tmp/qcsettings_$$; exit 1" 1 2 3 15

cat <&4 > /tmp/qcsettings_$$

cd /proc/qcamvc
for i in *
do
	sed \
		-e "/^$i:/!d" \
		-e "s/^$i://" \
			< /tmp/qcsettings_$$ > $i
done
exit 0