diff options
Diffstat (limited to 'doc/gawk.texi')
-rw-r--r-- | doc/gawk.texi | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/doc/gawk.texi b/doc/gawk.texi index 25fb3486..94ff298f 100644 --- a/doc/gawk.texi +++ b/doc/gawk.texi @@ -37601,7 +37601,7 @@ all the variables and functions in the @code{inplace} namespace @ignore @c file eg/lib/inplace.awk # -# Copyright (C) 2013, 2017 the Free Software Foundation, Inc. +# Copyright (C) 2013, 2017, 2019 the Free Software Foundation, Inc. # # This file is part of GAWK, the GNU implementation of the # AWK Programming Language. @@ -37626,6 +37626,7 @@ all the variables and functions in the @code{inplace} namespace # Revised for namespaces # Arnold Robbins, arnold@@skeeve.com # July 2017 +# June 2019, add backwards compatibility @c endfile @end ignore @c file eg/lib/inplace.awk @@ -37635,10 +37636,14 @@ all the variables and functions in the @code{inplace} namespace # Please set inplace::suffix to make a backup copy. For example, you may # want to set inplace::suffix to .bak on the command line or in a BEGIN rule. +# Before there were namespaces in gawk, this extension used +# INPLACE_SUFFIX as the variable for making backup copies. We allow this +# too, so that any code that used the previous version continues to work. + # By default, each filename on the command line will be edited inplace. -# But you can selectively disable this by adding an inplace=0 argument +# But you can selectively disable this by adding an inplace::enable=0 argument # prior to files that you do not want to process this way. You can then -# reenable it later on the commandline by putting inplace=1 before files +# reenable it later on the commandline by putting inplace::enable=1 before files # that you wish to be subject to inplace editing. # N.B. We call inplace::end() in the BEGINFILE and END rules so that any @@ -37655,10 +37660,11 @@ BEGIN @{ @group BEGINFILE @{ + sfx = (suffix ? suffix : awk::INPLACE_SUFFIX) if (filename != "") - end(filename, suffix) + end(filename, sfx) if (enable) - begin(filename = FILENAME, suffix) + begin(filename = FILENAME, sfx) else filename = "" @} @@ -37667,7 +37673,7 @@ BEGINFILE @{ @group END @{ if (filename != "") - end(filename, suffix) + end(filename, (suffix ? suffix : awk::INPLACE_SUFFIX)) @} @end group @c endfile |