REVOUTPUT(3am)             GNU Awk Extension Modules            REVOUTPUT(3am)

NAME
       revoutput - Reverse output strings sample extension

SYNOPSIS
       @load "revoutput"

       BEGIN { REVOUT = 1 }    # Reverse all output strings

DESCRIPTION
       The 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.

EXAMPLE
       @load "revoutput"

       BEGIN {
           REVOUT = 1
           print "hello, world" > "/dev/stdout"
       }

       The output from this program is:

       dlrow ,olleh

BUGS
       This extension does not affect the default standard output.

SEE ALSO
       GAWK: Effective AWK Programming, filefuncs(3am), fnmatch(3am),
       fork(3am), inplace(3am), ordchr(3am), readdir(3am), readfile(3am),
       rwarray(3am), time(3am).

AUTHOR
       Arnold Robbins, arnold@skeeve.com.

COPYING PERMISSIONS
       Copyright (C) 2012, 2013, 2018, Free Software Foundation, Inc.

       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.

       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.

       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.

Free Software Foundation          Feb 21 2018                   REVOUTPUT(3am)