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UNIX in a Nutshell: System V Edition

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UNIX Commands
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sdiff



sdiff

 [

options

] 

file1

 

file2

Produce a side-by-side comparison of file1 with file2 . Output is:

text text

Identical lines.

text <

Line exists only in file1 .

> text

Line exists only in file2 .

text | text

Lines are different.

Options

-l

List only lines of file1 that are identical.

-o outfile

Send identical lines of file1 and file2 to outfile ; print line differences and edit outfile by entering, when prompted, the following commands:

e

Edit an empty file.

e b

Edit both left and right columns.

e l

Edit left column.

e r

Edit right column.

l

Append left column to outfile.

q

Exit the editor.

r

Append right column to outfile.

s

Silent mode; do not print identical lines.

v

Turn off "silent mode."

-s

Do not print identical lines.

-w n

Set line length to n (default is usually 130).

Example

Show differences using 80 columns, and ignore identical lines:



sdiff -s -w80 list.1 list.2


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