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

       revoutput - Reverse output strings sample extension

       @load "revoutput"

       BEGIN { REVOUT = 1 }    # Reverse all output strings

       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 mildy amusing for the

       @load "revoutput"

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

       The output from this program is:

       dlrow ,olleh

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

       Arnold Robbins,

       Copyright (C) 2012, 2013, 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          Jan 15 2013                   REVOUTPUT(3am)
Man Pages Copyright Respective Owners. Site Copyright (C) 1994 - 2021 Hurricane Electric. All Rights Reserved.