.TH REVOUTPUT 3am "Aug 02 2015" "Free Software Foundation" "GNU Awk Extension Modules"

.SH NAME

revoutput \- Reverse output strings sample extension

.SH SYNOPSIS

.ft CW

@load "revoutput"

.sp

BEGIN { REVOUT = 1 }    # Reverse all output strings

.ft R

.SH DESCRIPTION

The

.I revoutput

extension

adds a simple output wrapper that reverses the characters in each output

line.

It's main purpose is to show how to write an output wrapper, although

it may be mildly amusing for the unwary.

.\" .SH BUGS

.SH EXAMPLE

.ft CW

.nf

@load "revoutput"

BEGIN {

    REVOUT = 1

    print "hello, world" > "/dev/stdout"

}

.fi

.ft R

.PP

The output from this program is:

.PP

.ft CW

.nf

dlrow ,olleh

.fi

.ft R

.SH BUGS

This extension does not affect the default standard output.

.SH "SEE ALSO"

.IR "GAWK: Effective AWK Programming" ,

.IR filefuncs (3am),

.IR fnmatch (3am),

.IR fork (3am),

.IR inplace (3am),

.IR ordchr (3am),

.IR readdir (3am),

.IR readfile (3am),

.IR rwarray (3am),

.IR time (3am).

.SH AUTHOR

Arnold Robbins,

.BR arnold@skeeve.com .

.SH COPYING PERMISSIONS

Copyright \(co 2012, 2013,

Free Software Foundation, Inc.

.PP

Permission is granted to make and distribute verbatim copies of

this manual page provided the copyright notice and this permission

notice are preserved on all copies.

.ig

Permission is granted to process this file through troff and print the

results, provided the printed document carries copying permission

notice identical to this one except for the removal of this paragraph

(this paragraph not being relevant to the printed manual page).

..

.PP

Permission is granted to copy and distribute modified versions of this

manual page under the conditions for verbatim copying, provided that

the entire resulting derived work is distributed under the terms of a

permission notice identical to this one.

.PP

Permission is granted to copy and distribute translations of this

manual page into another language, under the above conditions for

modified versions, except that this permission notice may be stated in

a translation approved by the Foundation.

.\" vim: set filetype=nroff :