sdiff Man page

SDIFF(1) User Commands SDIFF(1)


sdiff – side-by-side merge of file differences




Side-by-side merge of differences between FILE1 and FILE2.

Mandatory arguments to long options are mandatory for short options

-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 whose lines all match RE

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

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

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.


Written by Thomas Lord.


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


Copyright © 2011 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, diff, diff3

The full documentation for sdiff is maintained as a Texinfo manual. If
the info and sdiff programs are properly installed at your site, the

info sdiff

should give you access to the complete manual.

diffutils 3.3 March 2013 SDIFF(1)