#!/bin/sh

e='*.log'
i=
n=

help() {
	cat <<EOF
  `basename "$0"` -h | [-i|-n] [-e EXP] DIR [DIR [...]]
Look for files in DIR and his subdirs named like EXP and moves them to DIR/archive.
-e EXP	File must have this expression (std: "$e").
-n	Dummy mode. Shows files, which will be moved if not dummy mode.
-i	Asks you to move (see also mv)
EOF
	exit
}

while getopts hnie: o
do
	case "$o" in
	h) help ;;
	e) e="$OPTARG" ;;
	n) n=echo ;;
	i) i=-i ;;
	*) help ;;
	esac
done
shift `expr $OPTIND - 1`

if ( fuser "$0" >/dev/null 2>/dev/null )
then :
else
	echo "fuser not found or does not work! logarchiver won't to destroy any files, so exit."
	exit 1
fi

if [ 0 -ge $# ]
then
	echo "Error: DIR expected"
	help
fi

for d
do
	find "${d}" -name archive -prune -o -type f \( -name "${e}" \) -exec sh -c '
		if [ X = "X`fuser "$1" 2>/dev/null`" ]
		then
			a="`dirname "$1"`/archive"
			'"${n}"' mkdir -p -- "$a"
			'"${n}"' mv '$i' -- "$1" "$a"
		fi ' -- '{}' \;
done