| .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 mildy 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. |
