Linux Command Library


side-by-side merge of file differences

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 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
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 © 2016 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 sdiff is maintained as a Texinfo manual. If the info and sdiff programs are properly installed at your site, the command

info sdiff

should give you access to the complete manual.

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