ListPkg/listpkg

#!/bin/sh
#-------------HEADER-----------------------------------------------------------|
#AUTOR:
#	Jefferson Rocha <lrcjefferson@gmail.com>
#PROGRAM:
#	Listpkg - List packages
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#------------------------------------------------------------------------------|

# FUNCTIONS
go_dir(){
	cd /var/log/packages
}


# Options inline
case ${1} in
	--help)
				cat << EOF
Manual.
To found a package run:
$ listpkg PackageName

---EXAMPLE:

$ listpkg kdenlive
+==============================================================================
| Package kdenlive (installed)
+==============================================================================

---Or look more than one package:

$ listpkg kdenlive leafpad libbluray noexitpackage
+==============================================================================
| Package kdenlive (installed)
+==============================================================================
+==============================================================================
| Package leafpad (installed)
+==============================================================================
+==============================================================================
| Package libbluray (installed)
+==============================================================================
+==============================================================================
| Package noexitpackage (not found)
+==============================================================================
EOF
exit 0
	;;
esac

#--List packages, exist or no?
go_dir		# Entry in directory of packages location.
while [ -n "$1" ]; do
	[ "$1" = "1" ] || [ "$1" = "@" ] && echo "Enter name package." && exit 1
	package=$(ls ${1}* 2>&-)	# List packages
	if [ "$?" -eq "0" ]; then
		  cat << EOF
+==============================================================================
| Package ${1} (installed)
+==============================================================================
EOF
	else
		  cat << EOF
+==============================================================================
| Package ${1} (not found)
+==============================================================================
EOF
	fi
	shift
done