Shell Programming and Scripting

# Check if you have arguments to your scripts (maybe using getopts)
# If not, check and load data from configuration file
if [ ${#} -eq 1 ]
then
    zipCode=${1}
else
    # Load configuration file
    . <configuration file>
fi

#!/bin/bash

## define some functions

clr() {
rm -f ${1}* && echo 'all process are ok:)'
}

zipping() {
zipf=$(mktemp)
zip -rv9 $zipf.zip $1 ; chk $? zip $zipf
cpping $zipf.zip $2;clr $zipf
}

tgzzing() {
tgzf=$(mktemp)
tar -czf $mytgz.tgz $1 ; chk $? tgz $tgzf
cpping $mytgz.tgz $2;clr $tgzf
}

rarring() {
rarf=$(mktemp)
rar_static a $rarf.rar $1 ; chk $? rar $rarf
cpping $rarf.rar $2 ; clr rarf
}

cpping() {
cp $1 $2/${sour//\//_}_`date +%F__%H-%M-%S`.${1##*.}
[ $? -ne 0 ] && echo '$2 process is fail!!'
}

chk() {
if [ $1 -ne 0 ] ; then echo "$2 process is fail!";exit 1;fi
}

menu() {
echo -e '1-)zip&cp\n2-)tgz&cp\n3-)rar&cp'
 read -p "Please select your process ? " i
case $i in
 1)zipping $sour $targ;;
 2)tgzzing $sour $targ;;
 3)rarring $sour $targ;;
 *)echo "invalid process!! ; exiting!!";exit 1;;
esac
}

## specify conf file
conff=/home/conff

## Only first TWO parameter will be considered as source/target ##
if [ $# -eq 0 ] ; then
  echo "parametre(s) trying to take from '$conff' file";sleep 0.5
  sour=$(awk '{print $1 }' $conff);targ=$(awk '{print $2}' $conff)
  menu;
else
sour=$1;targ=$2;menu
fi