:
##########################################################################
# Shellscript:	dtox - DOS to UNIX text file conversion
# Author     :	Heiner Steven <heiner.steven@odn.de>
# Category   :	File Conversion
# SCCS-Id.   :	@(#) dtox	1.2 16/11/14
##########################################################################
# Description
#	Replaces "CR LF" sequences with "LF" end-of-line.
#	Does not handle DOS end-of-file character CTRL-Z (ASCII 26).
##########################################################################

PN=`basename "$0"`			# Program name
VER='1.2'

Usage () {
    echo >&2 "$PN - DOS to UNIX text file conversion, $VER
usage: $PN [file ...]"
    exit 1
}

Msg () {
    for MsgLine
    do echo "$PN: $MsgLine" >&2
    done
}

Fatal () { Msg "$@"; exit 1; }

# Delete carriage-return character (ASCII 13, ^M) from input
DeleteCR() {
    sed 's/
$//' "$@"
}

set `getopt h "$@"` || Usage
[ $# -lt 0 ] && Usage			# "getopt" detected an error

while [ $# -gt 0 ]
do
    case "$1" in
					# your flags here
	--)	shift; break;;
	-h)	Usage;;
	-*)	Usage;;
	*)	break;;			# First file name
    esac
    shift
done

error=0
if [ $# -le 0 ]
then				# Read standard input, write standard output
    DeleteCR
else
    trap 'rm -f "$Tmp"' 0
    trap "exit 2" 1 2 3 15

    for file
    do
	echo >&2 "$file"
	Tmp=$file.$$
	if DeleteCR "$file" > "$Tmp"
	then
	    mv "$Tmp" "$file" || error=1
	else
	    error=1
	    Msg "ERROR: could not process file: $file"
	fi
    done
fi

exit $error