gawk/gawk-inplace-namespace-part...

385 lines
14 KiB
Diff

From 8ff0d3a5a55237f78a8c3076a07c38f7e1c1c5e9 Mon Sep 17 00:00:00 2001
From: "Arnold D. Robbins" <arnold@skeeve.com>
Date: Wed, 26 Jun 2019 21:44:37 +0300
Subject: [PATCH 3/3] Add backwards compatibility to inplace extension, update
doc and tests.
---
awklib/eg/lib/inplace.awk | 18 ++--
doc/ChangeLog | 5 +
doc/gawk.info | 189 +++++++++++++++++++-------------------
doc/gawk.texi | 18 ++--
doc/gawktexi.in | 18 ++--
extension/ChangeLog | 4 +
extension/inplace.3am | 24 +++--
test/ChangeLog | 4 +
test/inplace1.ok | 2 +-
test/inplace2.ok | 2 +-
test/inplace3.ok | 4 +-
11 files changed, 167 insertions(+), 121 deletions(-)
diff --git a/awklib/eg/lib/inplace.awk b/awklib/eg/lib/inplace.awk
index 68dad92e..0d40d16e 100644
--- a/awklib/eg/lib/inplace.awk
+++ b/awklib/eg/lib/inplace.awk
@@ -1,6 +1,6 @@
# inplace --- load and invoke the inplace extension.
#
-# 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.
@@ -25,16 +25,21 @@
# Revised for namespaces
# Arnold Robbins, arnold@skeeve.com
# July 2017
+# June 2019, add backwards compatibility
@load "inplace"
# 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
@@ -47,15 +52,16 @@ BEGIN {
}
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 = ""
}
END {
if (filename != "")
- end(filename, suffix)
+ end(filename, (suffix ? suffix : awk::INPLACE_SUFFIX))
}
diff --git a/doc/ChangeLog b/doc/ChangeLog
index 5ea91aaf..6a1a5ae4 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,3 +1,8 @@
+2019-06-26 Arnold D. Robbins <arnold@skeeve.com>
+
+ * gawktexi.in (Extension Sample Inplace): Fix backwards
+ compatibility. Thanks to Andrew Schorr for most of the change.
+
2019-06-18 Arnold D. Robbins <arnold@skeeve.com>
* 5.0.1: Release tar ball made.
diff --git a/doc/gawk.info b/doc/gawk.info
index e5a52702..4e46df9e 100644
--- a/doc/gawk.info
+++ b/doc/gawk.info
@@ -27693,10 +27693,14 @@ and functions in the 'inplace' namespace (*note Namespaces::):
# 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
@@ -27709,17 +27713,18 @@ and functions in the 'inplace' namespace (*note Namespaces::):
}
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 = ""
}
END {
if (filename != "")
- end(filename, suffix)
+ end(filename, (suffix ? suffix : awk::INPLACE_SUFFIX))
}
For each regular file that is processed, the extension redirects
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
diff --git a/doc/gawktexi.in b/doc/gawktexi.in
index c60b0238..55e485eb 100644
--- a/doc/gawktexi.in
+++ b/doc/gawktexi.in
@@ -36574,7 +36574,7 @@ 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.
@@ -36599,6 +36599,7 @@ 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
@@ -36608,10 +36609,14 @@ 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
@@ -36628,10 +36633,11 @@ 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 = ""
@}
@@ -36640,7 +36646,7 @@ BEGINFILE @{
@group
END @{
if (filename != "")
- end(filename, suffix)
+ end(filename, (suffix ? suffix : awk::INPLACE_SUFFIX))
@}
@end group
@c endfile
diff --git a/extension/ChangeLog b/extension/ChangeLog
index 3d83f77e..22d73d09 100644
--- a/extension/ChangeLog
+++ b/extension/ChangeLog
@@ -1,3 +1,7 @@
+2019-06-26 Arnold D. Robbins <arnold@skeeve.com>
+
+ * inplace.3am: Update to match current code's behavior.
+
2019-06-18 Arnold D. Robbins <arnold@skeeve.com>
* 5.0.1: Release tar ball made.
diff --git a/extension/inplace.3am b/extension/inplace.3am
index 48fac54a..66047442 100644
--- a/extension/inplace.3am
+++ b/extension/inplace.3am
@@ -1,4 +1,4 @@
-.TH INPLACE 3am "Feb 02 2018" "Free Software Foundation" "GNU Awk Extension Modules"
+.TH INPLACE 3am "Jun 26 2018" "Free Software Foundation" "GNU Awk Extension Modules"
.SH NAME
inplace \- emulate sed/perl/ruby in-place editing
.SH SYNOPSIS
@@ -24,7 +24,7 @@ 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
-.B INPLACE_SUFFIX
+.B inplace::suffix
in a
.B BEGIN
rule or on the command line, then the
@@ -33,17 +33,27 @@ extension concatenates that suffix onto the original
filename and uses the result as a filename for renaming
the original.
.PP
+For backwards compatibility, the variable will also check
+.B INPLACE_SUFFIX
+(in the
+.B awk
+namespace) for the suffix to use if
+.B inplace::suffix
+is not set.
+.PP
One can disable inplace editing selectively by placing
-.B inplace=0
+.B inplace::enable=0
on the command line prior to files that should be processed normally.
One can reenable inplace editing by placing
-.B inplace=1
+.B inplace::enable=1
prior to files that should be subject to inplace editing.
.\" .SH NOTES
.SH BUGS
-While the extension does attempt to preserve ownership and permissions, it makes no attempt to copy the ACLs from the original file.
+While the extension does attempt to preserve ownership and permissions,
+it makes no attempt to copy the ACLs from the original file.
.PP
-If the program dies prematurely, as might happen if an unhandled signal is received, a temporary file may be left behind.
+If the program dies prematurely, as might happen if an unhandled signal
+is received, a temporary file may be left behind.
.SH EXAMPLE
.ft CW
.nf
@@ -66,7 +76,7 @@ gawk -i inplace -f \f(CIscriptfile\fP files ...
Andrew Schorr,
.BR schorr@telemetry-investments.com .
.SH COPYING PERMISSIONS
-Copyright \(co 2012, 2013, 2015, 2018,
+Copyright \(co 2012, 2013, 2015, 2018, 2019,
Free Software Foundation, Inc.
.PP
Permission is granted to make and distribute verbatim copies of
diff --git a/test/ChangeLog b/test/ChangeLog
index 99391b0d..a538c593 100644
--- a/test/ChangeLog
+++ b/test/ChangeLog
@@ -5,6 +5,10 @@
nsawk2a.ok, nsawk2b.ok: New files.
Tests courtesy of Michal Jaegermann.
+ Unrelated:
+
+ * inplace1.ok, inplace2.ok, inplace3.ok: Updated after code changes.
+
2019-06-18 Arnold D. Robbins <arnold@skeeve.com>
* 5.0.1: Release tar ball made.
diff --git a/test/inplace1.ok b/test/inplace1.ok
index 753079b3..f2e36d46 100644
--- a/test/inplace1.ok
+++ b/test/inplace1.ok
@@ -1,5 +1,5 @@
before
-gawk: inplace:53: warning: inplace::begin: disabling in-place editing for invalid FILENAME `-'
+gawk: inplace:59: warning: inplace::begin: disabling in-place editing for invalid FILENAME `-'
stdin start
is bar replaced?
stdin end
diff --git a/test/inplace2.ok b/test/inplace2.ok
index 753079b3..f2e36d46 100644
--- a/test/inplace2.ok
+++ b/test/inplace2.ok
@@ -1,5 +1,5 @@
before
-gawk: inplace:53: warning: inplace::begin: disabling in-place editing for invalid FILENAME `-'
+gawk: inplace:59: warning: inplace::begin: disabling in-place editing for invalid FILENAME `-'
stdin start
is bar replaced?
stdin end
diff --git a/test/inplace3.ok b/test/inplace3.ok
index 7802a0c8..b6f26505 100644
--- a/test/inplace3.ok
+++ b/test/inplace3.ok
@@ -1,11 +1,11 @@
before
-gawk: inplace:53: warning: inplace::begin: disabling in-place editing for invalid FILENAME `-'
+gawk: inplace:59: warning: inplace::begin: disabling in-place editing for invalid FILENAME `-'
stdin start
is bar replaced?
stdin end
after
Before
-gawk: inplace:53: warning: inplace::begin: disabling in-place editing for invalid FILENAME `-'
+gawk: inplace:59: warning: inplace::begin: disabling in-place editing for invalid FILENAME `-'
stdin start
is foo replaced?
stdin end
--
2.22.0