side-by-side merge of file differences


Compare 2 files

$ sdiff [path/to/file1] [path/to/file2]

Compare 2 files, ignoring all tabs and whitespace

$ sdiff -W [path/to/file1] [path/to/file2]

Compare 2 files, ignoring whitespace at the end of lines

$ sdiff -Z [path/to/file1] [path/to/file2]

Compare 2 files in a case-insensitive manner

$ sdiff -i [path/to/file1] [path/to/file2]

Compare and then merge, writing the output to a new file

$ sdiff -o [path/to/merged_file] [path/to/file1] [path/to/file2]


sdiff [OPTION]... FILE1 FILE2


Side-by-side merge of differences between FILE1 and FILE2. Mandatory arguments to long options are mandatory for short options too. -o, --output=FILE operate interactively, sending output to FILE -i, --ignore-case consider upper- and lower-case to be the same -E, --ignore-tab-expansion ignore changes due to tab expansion -Z, --ignore-trailing-space ignore white space at line end -b, --ignore-space-change ignore changes in the amount of white space -W, --ignore-all-space ignore all white space -B, --ignore-blank-lines ignore changes whose lines are all blank -I, --ignore-matching-lines=RE ignore changes all whose lines match RE --strip-trailing-cr strip trailing carriage return on input -a, --text treat all files as text -w, --width=NUM output at most NUM (default 130) print columns -l, --left-column output only the left column of common lines -s, --suppress-common-lines do not output common lines -t, --expand-tabs expand tabs to spaces in output --tabsize=NUM tab stops at every NUM (default 8) print columns -d, --minimal try hard to find a smaller set of changes -H, --speed-large-files assume large files, many scattered small changes --diff-program=PROGRAM use PROGRAM to compare files --help display this help and exit -v, --version output version information and exit If a FILE is '-', read standard input. Exit status is 0 if inputs are the same, 1 if different, 2 if trouble.


Report bugs to: GNU diffutils home page: General help using GNU software:


Copyright © 2018 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later . This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.


cmp(1), diff(1), diff3(1) The full documentation for GNU is maintained as a Texinfo manual. If the info and GNU programs are properly installed at your site, the com‐ mand info GNU should give you access to the complete manual.


Written by Thomas Lord.

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