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revoutput(3)

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



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.


ATTRIBUTES
       See attributes(7) for descriptions of the following attributes:


       box; cbp-1 | cbp-1 l | l .  ATTRIBUTE TYPE ATTRIBUTE VALUE = Availabil‐
       ity   text/gawk = Stability Volatile


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

AUTHOR
       Arnold Robbins, arnold@skeeve.com.

COPYING PERMISSIONS
       Copyright © 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.



NOTES
       Source code for open source software components in Oracle  Solaris  can
       be found at https://www.oracle.com/downloads/opensource/solaris-source-
       code-downloads.html.

       This    software    was    built    from    source     available     at
       https://github.com/oracle/solaris-userland.    The  original  community
       source                was                downloaded                from
       https://ftp.gnu.org/gnu/gawk/gawk-5.1.0.tar.xz.

       Further information about this software can be found on the open source
       community website at https://www.gnu.org/software/gawk.



Free Software Foundation          Feb 21 2018                     REVOUTPUT(3)
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