May 2018
Beginner
332 pages
7h 28m
English
Content preview from Learning Linux Shell Scripting - Second Edition
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The diff command
The diff command is used to find differences between two files. Let's see a few examples to find out its usage. The content of file1 is as follows:
I go for shopping on Saturday I rest completely on Sunday I use Facebook & Twitter for social networking
The content of file2 is as follows:
Today is Monday. I go for shopping on Saturday I rest completely on Sunday I use Facebook & Twitter for social networking
Type the diff command:
$ diff file1 file2
The output will be this:
0a1
> Today is Monday
In the output, 0a1 tells us that line number 1 is added in file2. Let's see another example with line deletion. The content of file1 is as follows:
Today is Monday I go for shopping on Saturday I rest completely on Sunday I use ...