CentOS Linux Server Guide

Checking content differences of two files in CentOS Linux

diff command is used to check for the differences in the content of two specified file

Command and Options:

diff [options] file1 file2

Option:

Options Description

-i ignore case distinctions

-s report summary even if two files have no differences.

Examples:

The following example "fail" string in error.log. If matched, it will output all matched line to screen

diff file1 file2
4c4                            <------ Different in line 4

< James                      <------ The 4th line of file1

-------------

> james                       <------ The 4th line of file 2

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