Bash script to run a new GAMESS process

gamess.sh

#!/bin/bash

# Version string of gamess to use
if [ -z "$GAMESS_PATH" ]; then
    GAMESS_PATH="/opt/gamess/rungms"
fi
# Version string of gamess to use
if [ -z "$GAMESS_VER" ]; then
    GAMESS_VER="00"
fi
# Number of cpu core to use
if [ -z "$GAMESS_CORE" ]; then
    GAMESS_CORE="4"
fi

# clear the last cache files if exist
filename=$(basename -- "$1")
rm -f "$HOME/.gamess/${filename%.*}".*

if [ $# = 1 ]; then
    # if only an input file name is assigned, use defaults
    echo "${GAMESS_PATH} $1 ${GAMESS_VER} ${GAMESS_CORE}"
    ${GAMESS_PATH} $1 ${GAMESS_VER} ${GAMESS_CORE}
else
    echo "${GAMESS_PATH} $@"
    ${GAMESS_PATH} $@
fi