GNU Diffutils 3.2

Showa differences between two files

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LICENSE TYPE:
GPL (GNU General Public License) 
USER RATING:
5.0/5 1
DEVELOPED BY:
GNU Diffutils Team
HOMEPAGE:
www.gnu.org
CATEGORY:
ROOT \ Utilities
Computer users often find occasion to ask how two files differ. Perhaps one file is a newer version of the other file. Or maybe the two files started out as identical copies but were changed by different people.

You can use the diff command to show differences between two files, or each corresponding file in two directories. diff outputs differences between files line by line in any of several formats, selectable by command line options.

This set of differences is often called a `diff' or `patch'. For files that are identical, diff normally produces no output; for binary (non-text) files, diff normally reports only that they are different.

You can use the cmp command to show the offsets and line numbers where two files differ. cmp can also show all the characters that differ between the two files, side by side.

You can use the diff3 command to show differences among three files. When two people have made independent changes to a common original, diff3 can report the differences between the original and the two changed versions, and can produce a merged file that contains both persons' changes together with warnings about conflicts.

The sdiff command can also be used to merge two files interactively.

Last updated on September 5th, 2011

#diff utilities #file differences #compare files #GNU #diffutils #diff #utilities

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