Compare two file lists in bash

Thursday, 25 February 2010 09:00

echo-} do-${svn_files///-svn_file-${dir_file}

// This will compare two lists of files in bash fairly efficiently without using diff or grep etc.



#!/bin/bash



SVN_FILES="::$(svn ls http://svn.domain.com:3690/svn/repo/path/to/files|tr '\n/' ':')"

DIR_FILES=":$(ls /path/to/files/|tr '\n' ':')"



for DIR_FILE in ${DIR_FILES//:/ }

do



    for SVN_FILE in ${SVN_FILES//::/ }

    do



        if [ "${DIR_FILE}" = "${SVN_FILE}" ]

        then

            : echo "YES ${DIR_FILE} ${SVN_FILE}"

            SVN_FILES=${SVN_FILES/:${SVN_FILE}:/}

            DIR_FILES=${DIR_FILES/:${DIR_FILE}:/:}

            continue

        else

            : echo "  no ${DIR_FILE} ${SVN_FILE}"

        fi



    done



done



for DIR_FILE in ${DIR_FILES//:/ }

do

    echo "Left: file [$DIR_FILE]"

done



for SVN_FILE in ${SVN_FILES//::/ }

do

    echo "Left: svn [$SVN_FILE]"

done