78 lines
2.1 KiB
Plaintext
78 lines
2.1 KiB
Plaintext
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.TH REVOUTPUT 3am "Feb 21 2018" "Free Software Foundation" "GNU Awk Extension Modules"
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.SH NAME
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revoutput \- Reverse output strings sample extension
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.SH SYNOPSIS
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.ft CW
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@load "revoutput"
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.sp
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BEGIN { REVOUT = 1 } # Reverse all output strings
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.ft R
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.SH DESCRIPTION
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The
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.I revoutput
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extension
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adds a simple output wrapper that reverses the characters in each output
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line.
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It's main purpose is to show how to write an output wrapper, although
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it may be mildly amusing for the unwary.
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.\" .SH BUGS
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.SH EXAMPLE
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.ft CW
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.nf
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@load "revoutput"
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BEGIN {
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REVOUT = 1
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print "hello, world" > "/dev/stdout"
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}
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.fi
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.ft R
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.PP
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The output from this program is:
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.PP
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.ft CW
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.nf
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dlrow ,olleh
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.fi
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.ft R
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.SH BUGS
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This extension does not affect the default standard output.
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.SH "SEE ALSO"
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.IR "GAWK: Effective AWK Programming" ,
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.IR filefuncs (3am),
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.IR fnmatch (3am),
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.IR fork (3am),
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.IR inplace (3am),
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.IR ordchr (3am),
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.IR readdir (3am),
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.IR readfile (3am),
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.IR rwarray (3am),
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.IR time (3am).
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.SH AUTHOR
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Arnold Robbins,
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.BR arnold@skeeve.com .
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.SH COPYING PERMISSIONS
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Copyright \(co 2012, 2013, 2018,
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Free Software Foundation, Inc.
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.PP
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Permission is granted to make and distribute verbatim copies of
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this manual page provided the copyright notice and this permission
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notice are preserved on all copies.
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.ig
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Permission is granted to process this file through troff and print the
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results, provided the printed document carries copying permission
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notice identical to this one except for the removal of this paragraph
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(this paragraph not being relevant to the printed manual page).
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..
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.PP
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Permission is granted to copy and distribute modified versions of this
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manual page under the conditions for verbatim copying, provided that
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the entire resulting derived work is distributed under the terms of a
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permission notice identical to this one.
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.PP
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Permission is granted to copy and distribute translations of this
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manual page into another language, under the above conditions for
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modified versions, except that this permission notice may be stated in
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a translation approved by the Foundation.
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.\" vim: set filetype=nroff :
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