On 6/13/07, Keith Christian <[EMAIL PROTECTED]> wrote:
L.V.Gandhi wrote: > I have two directories A and B. In each directory, I have nearly 1000 > files with same names. I would like to compare both directories and find > out which files differ more than say 5 lines. I use kompare and see > manually. How to do it in command line easily? > > -- > L.V.Gandhi > http://lvgandhi.tripod.com/ > linux user No.205042 Try these diff commands. The verbosity is greater in the ones with the "u" option. ================================== First, some sample files are created in directories A and B, these files are identical. ================================== Wed Jun 13 15:01:18 ([EMAIL PROTECTED]) ~/difftest>find . ./A ./A/one ./A/three ./A/two ./B ./B/one ./B/three ./B/two ================================== By default, the diff command does not report anything if the files are identical. The "r" option is needed to have diff recurse into the A and B directories. ================================== Wed Jun 13 15:01:22 ([EMAIL PROTECTED]) ~/difftest>diff -r A B ================================== Add the "s" argument to show when files are the same. ================================== Wed Jun 13 15:01:25 ([EMAIL PROTECTED]) ~/difftest>diff -rs A B Files A/one and B/one are identical Files A/three and B/three are identical Files A/two and B/two are identical ================================== Let's change the B/two file to see how diff reports the change. ================================== Wed Jun 13 15:01:29 ([EMAIL PROTECTED]) ~/difftest>echo "this one is different" > B/two ================================== Omit the "s" option if you want to see only files that have changed. ================================== Wed Jun 13 15:02:02 ([EMAIL PROTECTED]) ~/difftest>diff -rs A B Files A/one and B/one are identical Files A/three and B/three are identical diff -rs A/two B/two 1c1 < two --- > this one is different ================================== The "u" option (unified diff) displays more information ================================== Wed Jun 13 15:02:06 ([EMAIL PROTECTED]) ~/difftest>diff -ru A B diff -ru A/two B/two --- A/two 2007-06-13 15:01:18.000000000 -0600 +++ B/two 2007-06-13 15:02:02.000000000 -0600 @@ -1 +1 @@ -two +this one is different ================================== To show only the filenames, modify the B/three file. ================================== Wed Jun 13 15:09:20 ([EMAIL PROTECTED]) ~/difftest>echo "zzzzzzzz" > B/three ================================== Run the diff command and grep for "diff" at the start of the line. This will show only the filenames that differ. ================================== Wed Jun 13 15:09:31 ([EMAIL PROTECTED]) ~/difftest>diff -r A B | grep "^diff" diff -r A/three B/three diff -r A/two B/two Hope this is helpful. ========Keith
Thanks for your effort and time. All these leads to get list of lines differing in each file. Once again I have to go through all lines to find out total number of lines differing in file X ib both folders A and B. -- L.V.Gandhi http://lvgandhi.tripod.com/ linux user No.205042
