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List Copy

The list copy bash script copies files or directories listed in a text file to a directory you specify. Simply specify one file or directory per line in a text file and execute the script. List copy makes it easier for you to maintain a list of files and/or directories to copy during a backup procedure. The list file can be either DOS or UNIX formatted, and comments within the list file will be ignored.

Dependencies

bash, echo, cat, tr, test, grep, cp

Download

listcopy.sh [2.40 KB]

The Script

#!/bin/bash

#####################################################################
#
# listcopy.sh - copy files or folders specified in a text file
#   written by Jason Baker (http://www.worldsworstsoftware.com)
#
#####################################################################
#
# UPDATES:
# 2006/10/25
#  - changed dos2unix usage to tr
#  - updated usage notes
# 2006/10/13
#  - initial version
#
#####################################################################

exitcode=0

function print_usage()
{
    echo "listcopy.sh copies files or folders specified in a text file"
    echo
    echo "USAGE"
    echo "  listcopy.sh LIST_FILE TARGET_PATH"
    echo
    echo "NOTES"
    echo "  LIST_FILE should contain only one file or folder entry per line."
    echo
    echo "  Lines in LIST_FILE prefixed with a \"#\" will be ignored."
    echo
    echo "EXIT STATUS"
    echo "  0 - success"
    echo "  1 - errors occurred"
    echo
    echo
    echo "  ERROR: $1"
    echo
    exit 1
}

function list_copy()
{
    #
    # thanks to http://www.vasudevaservice.com/documentation/how-to/converting_dos_and_unix_text_files
    # for help w/ dos2unix to TR convert tip
    #
    LIST_ENTRIES=`cat "$1" | tr -d '\15\32'`

    TARGETPATH=${2%*/}/ #make sure the target path has a / on its end

    #make for's argument seperator newline only
     IFS=$'\n'

     for ENTRY in $LIST_ENTRIES
    do

        if test -z "$ENTRY"
        then
            #echo "Ignoring Blank Line." #test stuff
            continue
        fi

        #TODO FUTURE: handle case where there is whitespace before comment marker

        if test ${ENTRY:0:1} = "#"
        then
            #echo "Ignoring Comment: $ENTRY" #test stuff
            continue
        fi

        if test -z `echo "$ENTRY" | grep -E  '[^[:blank:]]+'`
        then
            #echo "Ignoring whitespace: $ENTRY" #test stuff
            continue
        fi

        if test -f "$ENTRY"
        then
            echo "Copying file: $ENTRY"
            cp -f "$ENTRY" "$TARGETPATH"
        elif test -d "$ENTRY"
        then
            echo "Copying folder: $ENTRY"
            ENTRY=${ENTRY%*/} #make sure the folder does not have a / on its end
            cp -Rf "$ENTRY" "$TARGETPATH"
        else
            echo "File or folder does not exist: $ENTRY"
            exitcode=1
        fi

    done
}

if test -z "$1" -o -z "$2"
then
    print_usage "Invalid number of arguments specified."
fi

if test ! -r "$1"
then
    print_usage "Cannot read file: $1"
fi

if test ! -d "$2"
then
    print_usage "Target path is not a directory: $2"
fi

if test ! -w "$2"
then
    print_usage "Target path is not writable: $2"
fi

list_copy "$1" "$2"

exit $exitcode

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