.TH REVTWOWAY 3am "Jan 15 2013" "Free Software Foundation" "GNU Awk Extension Modules"

.SH NAME

revtwoway \- Reverse strings sample two-way processor extension

.SH SYNOPSIS

.ft CW

@load "revtwoway"

.sp

.nf

BEGIN {

    cmd = "/magic/mirror"

    print "hello, world" |& cmd

    cmd |& getline result

    print result

    close(cmd)

}

.fi

.ft R

.SH DESCRIPTION

The

.I revtwoway

extension

adds a simple two-way processor that reverses the characters

in each line sent to it for reading back by the AWK program.

It's main purpose is to show how to write a two-way extension, although

it may also be mildly amusing.

.\" .SH BUGS

.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 revoutput (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 :