revoutput

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 un-
       wary.

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 man-
       ual page into another language, under the above conditions for modified
       versions,  except that this permission notice may be stated in a trans-
       lation approved by the Foundation.

Free Software Foundation          Feb 21 2018                   REVOUTPUT(3am)