REVOUTPUT
Section: GNU Awk Extension Modules (3am)
Updated: Feb 21 2018
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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.
SEE ALSO
GAWK: Effective AWK Programming,
filefuncs(3am),
fnmatch(3am),
fork(3am),
inplace(3am),
ordchr(3am),
readdir(3am),
readfile(3am),
rwarray(3am),
time(3am).
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
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.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- EXAMPLE
-
- BUGS
-
- SEE ALSO
-
- AUTHOR
-
- COPYING PERMISSIONS
-
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