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CAT

Posted On 2007-04-25 by FortyPoundHead
Keywords: Command Reference
Tags: Linux Commandline Linux
Views: 1621


Display the contents of a file (concatenate)

SYNTAX
cat [Options] [File]...

Concatenate FILE(s), or standard input, to standard output.

-A, --show-all equivalent to -vET

-b, --number-nonblank number nonblank output lines

-e equivalent to -vE

-E, --show-ends display $ at end of each line

-n, --number number all output lines

-s, --squeeze-blank never more than one single blank line

-t equivalent to -vT

-T, --show-tabs display TAB characters as ^I

-u (ignored)

-v, --show-nonprinting use ^ and M- notation, except for LFD and TAB

--help display this help and exit

--version output version information and exit

With no FILE, or when FILE is -, read standard input.Examples:

Display a file
$ cat myfile

Concatenate two files:
$ cat file1 file2 >> file3.dat

Put the contents of a file into a variable
$my_variable=`cat $myfile.txt`


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