dos2unix

来自「arm单片机的ucos2移植」· 代码 · 共 48 行

#! /bin/sh 
#
# dos2unix - crude use of zip/unzip to convert LF to CR/LF
#

usage () {
echo "  Usage: dos2unix <filename> .. <filename>";
echo "  Converts a number of files from DOS (CR/LF) to Unix (LF)"
exit 1 
}

convert () {
        echo "converting $FILE from DOS to Unix"
	zip -ll /tmp/$$.zip $FILE > /dev/null
	unzip -o /tmp/$$.zip > /dev/null
	rm -f /tmp/$$.zip
}

# check argc
if [ $# = 0 ]
then
	usage
fi

# do they need help?
case "$1" in
	"-h" | "--help" | "-help") usage
	exit 1
esac


# check to see if there is a source file
FILE=$1
if [ ! -f $FILE ] 
then
	echo "dos2unix: can't find $FILE" >&2
	exit 1
fi

# convert the files
for i in $*
do
    FILE=$i
    convert
done

exit 0