October 2001
Intermediate to advanced
1040 pages
22h 50m
English
Content preview from UNIX® Shells by Example, Third Edition
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diff—compares two files for differences diff [–bitw] [–c | –Cn
Compares two files and displays the differences on a line-by-line basis. Also displays commands that you would use with the ed editor to make changes.
Example A.16.
diff file1 file2 1c1 < hello there --- > Hello there. 2a3 > I'm fine. |
EXPLANATIONShows how each line of file1 and file2 differs. The first file is represented by the < symbol, and the second file by the > symbol. Each line is preceded by an ed command indicating the editing command that would be used to make the files the same. |
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