basic sh bash script starter stub

#!/bin/bash

umask 000 ; 

# print the commands 

# set -x

# exit the script if any statement returns a non-true return value

set -e 

setVars(){

        export PATH=/cygdrive/c/cygwin/bin/:$PATH

        MyDir=`dirname $(readlink -f $0)`

        Tmp="$MyDir/tmp.$$"

        mkdir -p $Tmp                #create the tmp dir if it does not exist 

        ( set -o posix ; set ) >$Tmp/variables.before 

        MyName=`basename $0`

        IniFile="$MyDir/$MyName.`hostname`.conf"

        IniSection=MainSection

        LogFile="$MyDir/$MyName.log"

        # get the machine / host specific configuration 

        parseIniFile

        #source $0

        ( set -o posix ; set ) >$Tmp/variables.after

        wlog " Using the following vars :"

        cmd="comm -3 $Tmp/variables.before $Tmp/variables.after"

        runCmdAndLog $cmd

        rm -f $Tmp/variables.before $Tmp/variables.after

        rm -f $Tmp/variables.before $Tmp/variables.before    

}

#eof function setVars

parseIniFile(){

    eval `sed -e 's/[[:space:]]*\=[[:space:]]*/=/g' \

        -e 's/;.*$//' \

        -e 's/[[:space:]]*$//' \

        -e 's/^[[:space:]]*//' \

        -e "s/^\(.*\)=\([^\"']*\)$/\1=\"\2\"/" \

       < $IniFile \

        | sed -n -e "/^\[$IniSection\]/,/^\s*\[/{/^[^;].*\=.*/p;}"`

}

#eof function parseIniFile

# call by runCmdAndLog $cmd

runCmdAndLog(){

                cmd="$*" ; 

                Msg=$($cmd 2>&1)

                [ $? -eq 0 ]  || wlog "ERROR : Failed to run the $cmd command with $Msg output!!!"

                wlog " DEBUG : $Msg"

}

#eof function runCmdAndLog

#call by runCmdOrExit $cmd

runCmdOrExit(){

                cmd="$*" ; 

                Msg=$($cmd 2>&1)

                [ $? -eq 0 ] || Exit "ERROR : FATAL : Failed to run the $cmd command with $Msg output!!!"

                wlog " DEBUG : $Msg"

}

#eof function runCmdOrExit

# echo passed params and print them to a log file

wlog(){

        # check terminal if exists echo 

        test -t 1 && echo "`date +%Y.%m.%d-%H:%M:%S` [$$] $*"

        # check LogFile and 

        test -z $LogFile || {

          echo "`date +%Y.%m.%d-%H:%M:%S` [$$] $*" >> $LogFile

        } #eof test

 } 

# eof function wlog 

# exit with passed status and message

Exit(){

        ExitStatus=0

        case $1 in

            [0-9]) ExitStatus="$1"; shift 1;;

    esac

        Msg="$*"

        test "$ExitStatus" = "0" || Msg="ERROR: $Msg"

        wlog "$Msg"

        exit $ExitStatus

}

#eof function Exit

# the main function called 

main(){

    setVars

}

#eof function main

# Action !!!

main

# Purpose:

# To provide an easy starting template for writing bash and sh scripts

# having the following features: 

# - prints the set in the script variables

# - separation of host specific vars into $0.`hostname`.conf file

# - wlog function for both xterm and log file printing

# - 

# EOF File:ShStub.sh