sdiff - print differences between two files side-by-side
sdiff [-l] [-s] [-o output] [-w n] filename1 filename2
sdiff uses the output of the diff command to produce a side-by-side listing of two files indicating lines that are different. Lines of the two files are printed with a blank gutter between them if the lines are identical, a < in the gutter if the line appears only in filename1, a > in the gutter if the line appears only in filename2, and a | for lines that are different. (See the EXAMPLES section below.)
On exit from the editor, the resulting file is concatenated to the end of the output file.
See largefile(5) for the description of the behavior of sdiff when encountering files greater than or equal to 2 Gbyte ( 2^31 bytes).
Example 1 An example of the sdiff command.
A sample output of sdiff follows.
x | y a a b < c < d d > c
If any of the LC_* variables ( LC_CTYPE, LC_MESSAGES, LC_TIME, LC_COLLATE, LC_NUMERIC, and LC_MONETARY ) (see environ(5)) are not set in the environment, the operational behavior of sdiff for each corresponding locale category is determined by the value of the LANG environment variable. If LC_ALL is set, its contents are used to override both the LANG and the other LC_* variables. If none of the above variables is set in the environment, the "C" locale determines how sdiff behaves.
See attributes(5) for descriptions of the following attributes:
diff(1), ed(1), attributes(5), environ(5), largefile(5)
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Created 1996-2022 by Maxim Chirkov
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