Bash Script Template for writing bash utilities

The following code can serve as a template for creating a bash utility.  The purpose of this wrapper utility is to checkout a file, edit in an editor and check the file back in. 

The following is the command usage

root@host# ./rcwrapper [-c "comment goes here"] filename1 [filename2 filename3 ...]

 

#!/bin/bash

#########################

## Author: Nirav Doshi ##

## Date: Sept 25, 2012 ##

## Purpose:

##      Facilitate checkout, edit 

## and checkin process for code viewing, 

##      and editing.

#############################

export EDITOR=vim

while [ $# -gt 0 ]; do  #until run out of parameters

case "$1" in

   -c)

# Move the cursor to next argument which has comment information

shift

# set the comment value

if [ -n "$1" ]  #compare if -c is passed with an argument

then

COMMENT=$1

echo "comment is \"$COMMENT\""

else

COMMENT="no comment supplied"

echo $COMMENT

fi

;;

*)

# Check out the file from repository

echo "CO -c \"$COMMENT\" $1"

# Calls the Editor program varriable along with filename

$EDITOR $1

# Checking file into the repository

echo "CI -c \"$COMMENT\" $1"

;;

esac

 shift

done