#!/bin/sh
# @(#$Id: rcluncomp,v 1.3 2007-10-27 08:40:25 dockes Exp $  (C) 2004 J.F.Dockes

# Uncompress file using any program like gunzip/bunzip2. We jump through
# hoops to let the decompressor remove the compression suffix in the file
# name. The input directory must be empty on entry.

if test $# != 3 -o ! -f "$2" -o ! -d "$3" ; then 
   echo "Usage: rcluncomp <ucomp_prog> <infile> <outdir>"
   exit 1
fi

uncomp=$1
infile=$2
outdir=$3

sinfile=`basename "$infile"`
#echo "rcluncomp: $sinfile" 1>&2

# What we do depends on suffix existence.
case "$sinfile" in
*.*)
	cp "$infile" "$outdir/$sinfile" || exit 1
	$uncomp "$outdir/$sinfile" || exit 1
	uncompressed=`echo $outdir/*`
	;;
*)
	$uncomp < "$infile" > "$outdir/$sinfile" || exit 1
	uncompressed="$outdir/$sinfile"
	;;
esac

cat <<EOF
$uncompressed
EOF