made the pack completely portable and wrote relevent bat files to go with it

gitportable/usr/share/awk/inplace.awk

@@ -0,0 +1,61 @@
+# inplace --- load and invoke the inplace extension.
+# 
+# Copyright (C) 2013, 2017 the Free Software Foundation, Inc.
+# 
+# This file is part of GAWK, the GNU implementation of the
+# AWK Programming Language.
+# 
+# GAWK is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+# 
+# GAWK is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+#
+# Andrew J. Schorr, aschorr@telemetry-investments.com
+# January 2013
+#
+# Revised for namespaces
+# Arnold Robbins, arnold@skeeve.com
+# July 2017
+
+@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.
+
+# By default, each filename on the command line will be edited inplace.
+# But you can selectively disable this by adding an inplace=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
+# that you wish to be subject to inplace editing.
+
+# N.B. We call inplace::end() in the BEGINFILE and END rules so that any
+# actions in an ENDFILE rule will be redirected as expected.
+
+@namespace "inplace"
+
+BEGIN {
+    enable = 1         # enabled by default
+}
+
+BEGINFILE {
+    if (filename != "")
+        end(filename, suffix)
+    if (enable)
+        begin(filename = FILENAME, suffix)
+    else
+        filename = ""
+}
+
+END {
+    if (filename != "")
+        end(filename, suffix)
+}