cat
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| Table of contents |
NAME
cat - concatenate files and print on the standard outputSYNOPSIS
cat [OPTION] [FILE]...DESCRIPTION
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
- cat f - g
- Output f's contents, then standard input, then g's contents.
- cat
- Copy standard input to standard output.
AUTHOR
Written by Torbjorn Granlund and Richard M. Stallman.REPORTING BUGS
Report bugs to <bug-coreutils@gnu.org>.COPYRIGHT
Copyright © 2006 Free Software Foundation, Inc.This is free software. You may redistribute copies of it under the terms of the GNU General Public License <http://www.gnu.org/licenses/gpl.html>. There is NO WARRANTY, to the extent permitted by law.
SEE ALSO
The full documentation for cat is maintained as a Texinfo manual. If the info and cat programs are properly installed at your site, the command- info cat
should give you access to the complete manual.
Index
Updated Time:: 19:56:02 GMT, November 22, 2008
 | This is the JargonFile (V4.00) entry for cat - Next: catatonic, Prev: casting the runes |
| :cat: [from catenate via [[[[Unix]]]] cat(1)] /vt./ 1. [techspeak] To spew an entire file to the screen or some other output sink without pause. 2. By extension, to dump large amounts of data at an unprepared target or with no intention of browsing it carefully. Usage: considered silly. Rare outside Unix sites. See also dd, BLT. Among Unix fans, cat(1) is considered an excellent example of user-interface design, because it delivers the file contents without such verbosity as spacing or headers between the files, and because it does not require the files to consist of lines of text, but works with any sort of data. Among Unix haters, cat(1) is considered the canonical example of *bad* user-interface design, because of its woefully unobvious name. It is far more often used to blast a file to standard output than to concatenate two files. The name cat for the former operation is just as unintuitive as, say, LISPs cdr. Of such oppositions are holy wars made.... | |
| * (text is auto-included via JargonExtension by mutante using jargon with VERSION 4.0.0, 24 JUL 1996 - JargonFile by Eric S. Raymond is in the public domain) | |
