#!/bin/sh
# dirclean -- clean up after emacs, framemaker, TeX, and dvi tools
#
# SYNOPSIS:  run eclean, fclean, and texclean -d
#
# AUTHOR:	Gary T. Leavens

USAGE="Usage: $0 [prefix ...]"

[ -n "$echo" ] && set -x

# eclean -- clean up emacs backup files
#
# SYNOPSIS:  Remove files whose names match *~ and *.bak from
#       the current working directory.
#	Giving prefixes causes only files with names starting in that list
#	to be removed.
eclean()
{
USAGE="Usage: $0 [prefix ...]"

# no options allowed
case "$1" in
-*)
	echo "$USAGE" >&2
	exit 2
	;;
esac

# all files if no prefix specified
if test $# -eq 0
then
	set '*'
fi

# remove the files
for p
do
	rm -f ${p}~ ${p}.bak
done
}

# fclean -- clean up framemaker backup files
#
# SYNOPSIS:  Remove files whose names match *.backup from
#	current working directory
#	Giving prefixes causes only files with names starting in that list
#	to be removed.
fclean()
{
USAGE="Usage: $0 [prefix ...]"

# no options allowed
case "$1" in
-*)
	echo "$USAGE" >&2
	exit 2
	;;
esac

# all files if no prefix specified
if test $# -eq 0
then
	set '*'
fi

# remove the files
for p
do
	rm -f ${p}.backup.fm
done
}

# texclean -- clean up after tex
#
# SYNOPSIS:  Remove *.log, *.blg, *.dvi-err, *.ilg output files.
#	Giving prefixes causes only files with names starting in that list
#	to be removed.
#	If the -d option is given, removes the *.dvi-alw and *.dvi files also.
#	If the -f option is given, removes the *.aux, *.bbl *.glo *.idx *.ind
#       *.lof *.lot and *.toc files also (but not *.dvi and *.dvi-alw files)
texclean()
{
USAGE="Usage: $0 [-f] [-d] [prefix ...]"

DEFAULTrms='log blg dvi-err ilg'
DVIrms='dvi dvi-alw'
ALLrms='aux dvi bbl glo idx lof lot toc ind'

SUFFIXES="$DEFAULTrms"

# check usage and set SUFFIXES to -f flag
while test `expr X"$1" : X'-.*'` -gt 1
do
	case "$1" in
	-f)
		SUFFIXES="$SUFFIXES $ALLrms"
		shift
		;;
	-d)
		SUFFIXES="$SUFFIXES $DVIrms"
		shift
		;;
	-fd|-df)
		SUFFIXES="$SUFFIXES $ALLrms $DVIrms"
		shift
		;;
	-?)
		echo "$USAGE" >&2
		exit 2
		;;
	-)
		shift
		break
		;;
	esac
done


# all files if no prefix specified
if test $# -eq 0
then
	set '*'
fi


# remove the files
for p
do
	for s in $SUFFIXES
	do
		rm -f ${p}.${s}
	done
done
}


# no options allowed
case "$1" in
-*)
	echo "$USAGE" >&2
	exit 2
	;;
esac

eclean "$@"
texclean -d "$@"
fclean "$@"