Shell Programming and Scripting

script -s source -t target

#!/bin/bash

#version 1.0
#Revised Date: 10-Feb-2011

#Set this as your target filesystem
TGT="/tmp/dir2"

#Function call to check file owner write bit
#set -x
func_checkperm()
{
        BIT=`ls -l $f | sed -e 's/..\(.\).*/\1/'`
        case $BIT in
                -)
                echo "NO_WRITE"
                ;;
                w)
                echo "WRITE"
                ;;
        esac
}

if [ $# -eq 1 ]
then
        SRC="$1"

        if [ -d "$SRC" ]; then
        echo "This is a directory not a file, please specify a file"

        else

                for f in $SRC
                do
                CON_VALUE=$(func_checkperm "$f")
                case $CON_VALUE in
                        NO_WRITE)
                                echo "$f write permission bit is not set.  Please correct the permisson.  Skipping.."
                        ;;
                        WRITE)
                                cp -pr $f $TGT
                        ;;
                esac
                done
        fi

elif [ $# -gt 1 ]
then
        echo "Please enclose multiple input files or regular expression in quotes.  For example: <script.sh> \"inputsource*\" target"

elif [ "$1" = "" ]
then
        echo "The command usage is not correct"
fi