SDIFF(1)

NAME
sdiff - side-by-side merge of file differences

SYNOPSIS
sdiff [OPTION]... FILE1 FILE2

DESCRIPTION
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.

AUTHOR
Written by Thomas Lord.

REPORTING BUGS
Report bugs to: bug-diffutils@gnu.org
GNU diffutils home page: <https://www.gnu.org/software/diffutils/>
General help using GNU software: <https://www.gnu.org/gethelp/>

COPYRIGHT
Copyright © 2025 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.

SEE ALSO
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.