filecopy_same_own_grp_parm_as_DEST.sh

#!/bin/sh
# For stat version: 2.2
# If you use New Version maybe can use printf Option.

function usage {
	cat <<-EOF
	$(basename ${0}) is a tool for file copy same parmission, owner and group as DEST.
	Usage:    $(basename ${0}) from_file to_file
	EOF
}

#check PARMISSION
function CHECK_PARMISSION {
	FILE=$1
	STRINGS=$(stat $FILE|grep ^Access:|head -1)
	# Access: (0755/-rwxr-xr-x) Uid: ( 0/ root) Gid: ( 0/ nobody)
	FRONT=${STRINGS%%\/*}
	echo ${FRONT#*\(}
	# OUTPUT -> 0755
}

#check OWNER
function CHECK_OWNER {
	FILE=$1
	STRINGS=$(stat $FILE|grep ^Access:|head -1)
	# Access: (0755/-rwxr-xr-x) Uid: ( 0/ root) Gid: ( 0/ nobody)	
	FRONT1=${STRINGS#*\/}
	FRONT2=${FRONT1#*\/}
	echo ${FRONT2%%\)*}
	# OUTPUT -> root
}

#check GROUPS
function CHECK_GROUPS {
	FILE=$1
	STRINGS=$(stat $FILE|grep ^Access:|head -1)
	# Access: (0755/-rwxr-xr-x) Uid: ( 0/ root) Gid: ( 99/ nobody)
	FRONT1=${STRINGS#*\/}
	FRONT2=${FRONT1#*\/}
	FRONT3=${FRONT2#*\/}
	echo ${FRONT3%%\)*}
	# OUTPUT -> nobody
}

FILEFROM=$1
FILETO=$2

if [ $# -ne 2 ]
then
	usage
	exit 0
else
	if [ -f $FILETO ]
	then
		FILEPARMISSION=$(CHECK_PARMISSION $FILETO)
		FILEOWNER=$(CHECK_OWNER $FILETO)
		FILEGROUP=$(CHECK_GROUPS $FILETO)
		cp -a $FILEFROM $FILETO &&\
		chmod $FILEPARMISSION $FILETO &&\
		chown $FILEOWNER:$FILEGROUP $FILETO
		echo "From file: $FILEFROM"
		echo "To file: $FILETO"
		echo "Filemode: $FILEPARMISSION"
		echo "Owner: $FILEOWNER"
		echo "Group: $FILEGROUP"
	else
		echo "There is no file \"$FILETO\" Abort!!"
		exit 1
	fi
fi