INPLACE(3am)               GNU Awk Extension Modules              INPLACE(3am)

       inplace - emulate sed/perl/ruby in-place editing

       gawk -i inplace ...

       The  inplace extension adds two functions named inplace_begin() and in-
       place_end().  These functions are meant to  be  invoked  from  the  in-
       place.awk wrapper which is installed when gawk is.

       By  default, each named file on the command line is replaced with a new
       file of the same name whose contents are the results of running the AWK
       program.   If the user supplies an AWK variable named INPLACE_SUFFIX in
       a BEGIN rule or on the command line, then the  inplace  extension  con-
       catenates that suffix onto the original filename and uses the result as
       a filename for renaming the original.

       One can disable inplace editing selectively by placing inplace=0 on the
       command line prior to files that should be processed normally.  One can
       reenable inplace editing by  placing  inplace=1  prior  to  files  that
       should be subject to inplace editing.

       While the extension does attempt to preserve ownership and permissions,
       it makes no attempt to copy the ACLs from the original file.

       If the program dies prematurely, as might happen if an unhandled signal
       is received, a temporary file may be left behind.

       gawk -i inplace 'script' files ...
       gawk -i inplace -f scriptfile files ...

       GAWK:   Effective   AWK   Programming,   filefuncs(3am),  fnmatch(3am),
       fork(3am), ordchr(3am),  readdir(3am),  readfile(3am),  revoutput(3am),

       Andrew Schorr,

       Copyright (C) 2012, 2013, 2015, 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.

Free Software Foundation          Feb 02 2018                     INPLACE(3am)
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