#! /bin/sh 

# fromdos -- convert msdos EOL to unix
# $Id: fromdos,v 1.2 1997/06/18 16:45:44 cdua Exp cdua $
# Carlos Duarte, 970618

USAGE="\
usage: $0 [-hn] {-p [files]} | files ...

  -h      this help
  -n      no op
  -p      print to stdout (do not change files)
  -v      print each filename while it is being done (default)
  -v-     do not print each filename
"

DO_V=yes
while : ; do
	case x"$1" in 
	x-h)	echo "$USAGE"; exit 1 ;;
	x-n)	fake=echo ;;
	x-p)	DO_P=yes ;; 
	x-v)	DO_V=yes ;; 
	x-v-)	DO_V=no ;; 
	x--)	shift; break ;;
	x-?)	echo "invalid option -- `echo $1|cut -c2-`"
		echo "$USAGE"; exit 1 ;;
	*)	break ;;
	esac
	shift
done

if test X$DO_P = Xyes; then 
	if test x$fake = xecho ; then 
		echo sed 's/^M$//' "$@" 
	else 
		sed 's/
$//' "$@"
	fi
else
	# if _must_ accept on extra argument after options
	if test $# -eq 0; then echo "$USAGE"; exit 1; fi

	temp='aEdTgHl'
	vers=1
	while test -f $temp$vers || test -d $temp$vers; do
		vers=`expr $vers + 1`
	done
	temp=$temp$vers
	trap -- 'rm -f $temp' EXIT SIGINT

	for i
	do
		if test x$fake = xecho; then 
			echo "sed 's/^M$//' $i > tempfile && mv -f tempfile $i"
		else
			test X$DO_V = Xyes && echo changing $i ... | tr -d \\012
			sed 's/
$//' < $i > $temp && rm -f $i && mv $temp $i
			test X$DO_V = Xyes && echo done. 
		fi
	done
fi
exit