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- - Directory Comparer? (http://www.gamingforce.org/forums/showthread.php?t=10277)

Directory Comparer?

Does anyone know of a good tool to compare two directories and tell me the differences between them? I've got a couple of directories, each with about 3,000 pictures in them (convienienty named DSC_****.JPG) that are about 95% the same. I want something to quickly tell me what files are in one that aren't in the other. I could probably whip up a quick UNIX shell script, except that this is a Windows box. Google brought up the usual list of generic spyware that I don't particularly trust. Anyone know of anything that might do what I need?

Oh, and all I need it to compare is filenames. It doesn't need to, and in fact should NOT check if the files themselves are identical (which is part of why I can't use rsync).

I have used windiff in the past. It is part of windows support tools and you can download it at the following address

http://www.microsoft.com/downloads/d...DisplayLang=en

Cool. Thanks. I ended up just booting into Gentoo and writing a shell script after all. I gave in. That tool could have been useful, however.

Quote:

Originally Posted by NudeNinja

I have used windiff in the past. It is part of windows support tools and you can download it at the following address

http://www.microsoft.com/downloads/d...DisplayLang=en

Thanks for the link! Now I know that my copy of the WinXP Pro CD is better than the other downloaded versions (except that it's not bootable!).

Quote:

Originally Posted by Arainach

Cool. Thanks. I ended up just booting into Gentoo and writing a shell script after all. I gave in. That tool could have been useful, however.

Might you post that here? I'm curious how you went about it, since I can't figure much of an idea for it, and this would be useful.

If you don't mind, of course.

You could have used CygWin for POSIX emulation. Great for having a unix environment on your windows system.

Quote:

Originally Posted by Duminas

Might you post that here? I'm curious how you went about it, since I can't figure much of an idea for it, and this would be useful.

If you don't mind, of course.

Can't you just use the "diff" command? For example, when I enter:

diff /home/tkang /home/tkang/J2Rev.0.2

I get

Only in /home/tkang: .bash_history
Only in /home/tkang: .bash_profile
...
Only in /home/tkang/J2Rev.0.2: Getstring.h
etc...

You can also use it to compare files as well.

Quote:

Originally Posted by Duminas

Might you post that here? I'm curious how you went about it, since I can't figure much of an idea for it, and this would be useful.

If you don't mind, of course.

The version I wrote was just a simple thing which essentially mixed "for i in '(ls -A $1)']; do" with "if [-e $2/$i]". It didn't check for subdirectories, symbolic links, or any of the other obvious error checking that a truly useful script would since it was just a one-time thing.

However, a quick bit of Googling found cmptree, which is kind of what I wanted except on steroids.

Code:

#!/bin/bash

#

# cmptree: compare directory trees recursively and report the differences.

# Author: Ives Aerts



function gettype () {

  if [ -L $1 ]; then

    echo "softlink"

  elif [ -f $1 ]; then

    echo "file"

  elif [ -d $1 ]; then

    echo "directory"

  else

    echo "unknown"

  fi

}



function exists () {

  if [ -e $1 -o -L $1 ]; then

    return 0;

  else

    echo "$1 does not exist."

    return 1;

  fi

}



function comparefile () {

  cmp -s $1 $2

  if [ $? -gt 0 ]; then

    echo "$1 different from $2"

#  else

#    echo "$1 same as $2"

  fi

  return

}



function comparedirectory () {

  local result=0

  for i in `(ls -A $1 && ls -A $2) | sort | uniq`; do

    compare $1/$i $2/$i || result=1

  done

  return $result

}



function comparesoftlink () {

  local dest1=`ls -l $1 | awk '{ print $11 }'`

  local dest2=`ls -l $2 | awk '{ print $11 }'`



  if [ $dest1 = $dest2 ]; then

    return 0

  else

    echo "different link targets $1 -> $dest1, $2 -> $dest2"

    return 1

  fi

}



# compare a file, directory, or softlink

function compare () {

  (exists $1 && exists $2) || return 1;



  local type1=$(gettype $1)

  local type2=$(gettype $2)



  if [ $type1 = $type2 ]; then

    case $type1 in

      file)

        comparefile $1 $2

        ;;

      directory)

        comparedirectory $1 $2

        ;;

      softlink)

        comparesoftlink $1 $2

        ;;

      *)

        echo "$1 of unknown type"

        false

        ;;

    esac

  else

    echo "type mismatch: $type1 ($1) and $type2 ($2)."

    false

  fi



  return

}



if [ 2 -ne $# ]; then

cat << EOU

Usage: $0 dir1 dir2

Compare directory trees:

  files are binary compared (cmp)

  directories are checked for identical content

  soft links are checked for identical targets

EOU

  exit 10

fi



compare $1 $2

exit $?

here's a rough command that could be used in the console in windows to tell what files in the source folder are or aren't in the destination folder and dump whether or not they filecompare as the same file as well. I think it gets rather spammy though if files don't compare exactly.

it would be run from the source directory and tmp2 would need to be replaced with the target directory.

for %i in ( *.* ) do if exist "tmp2\%i" (fc %i tmp2\%i >> Filecompare.txt ) else echo
File tmp2\%i not found >> FileNOTFound.txt

ah the good old days before GUI's did all this crap.