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A raw copy of the tarball, except for ytab*.bak files, which were
identical to ytab.[ch].
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Andy C
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Jun 12, 2016
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/**************************************************************** | ||
Copyright (C) Lucent Technologies 1997 | ||
All Rights Reserved | ||
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Permission to use, copy, modify, and distribute this software and | ||
its documentation for any purpose and without fee is hereby | ||
granted, provided that the above copyright notice appear in all | ||
copies and that both that the copyright notice and this | ||
permission notice and warranty disclaimer appear in supporting | ||
documentation, and that the name Lucent Technologies or any of | ||
its entities not be used in advertising or publicity pertaining | ||
to distribution of the software without specific, written prior | ||
permission. | ||
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LUCENT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, | ||
INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. | ||
IN NO EVENT SHALL LUCENT OR ANY OF ITS ENTITIES BE LIABLE FOR ANY | ||
SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | ||
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER | ||
IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, | ||
ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF | ||
THIS SOFTWARE. | ||
****************************************************************/ | ||
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This is the version of awk described in "The AWK Programming Language", | ||
by Al Aho, Brian Kernighan, and Peter Weinberger | ||
(Addison-Wesley, 1988, ISBN 0-201-07981-X). | ||
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Changes, mostly bug fixes and occasional enhancements, are listed | ||
in FIXES. If you distribute this code further, please please please | ||
distribute FIXES with it. If you find errors, please report them | ||
to bwk@cs.princeton.edu. Thanks. | ||
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The program itself is created by | ||
make | ||
which should produce a sequence of messages roughly like this: | ||
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yacc -d awkgram.y | ||
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conflicts: 43 shift/reduce, 85 reduce/reduce | ||
mv y.tab.c ytab.c | ||
mv y.tab.h ytab.h | ||
cc -c ytab.c | ||
cc -c b.c | ||
cc -c main.c | ||
cc -c parse.c | ||
cc maketab.c -o maketab | ||
./maketab >proctab.c | ||
cc -c proctab.c | ||
cc -c tran.c | ||
cc -c lib.c | ||
cc -c run.c | ||
cc -c lex.c | ||
cc ytab.o b.o main.o parse.o proctab.o tran.o lib.o run.o lex.o -lm | ||
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This produces an executable a.out; you will eventually want to | ||
move this to some place like /usr/bin/awk. | ||
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If your system does not have yacc or bison (the GNU | ||
equivalent), you must compile the pieces manually. We have | ||
included yacc output in ytab.c and ytab.h, and backup copies in | ||
case you overwrite them. We have also included a copy of | ||
proctab.c so you do not need to run maketab. | ||
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NOTE: This version uses ANSI C, as you should also. We have | ||
compiled this without any changes using gcc -Wall and/or local C | ||
compilers on a variety of systems, but new systems or compilers | ||
may raise some new complaint; reports of difficulties are | ||
welcome. | ||
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This also compiles with Visual C++ on all flavors of Windows, | ||
*if* you provide versions of popen and pclose. The file | ||
missing95.c contains versions that can be used to get started | ||
with, though the underlying support has mysterious properties, | ||
the symptom of which can be truncated pipe output. Beware. The | ||
file makefile.win gives hints on how to proceed; if you run | ||
vcvars32.bat, it will set up necessary paths and parameters so | ||
you can subsequently run nmake -f makefile.win. Beware also that | ||
when running on Windows under command.com, various quoting | ||
conventions are different from Unix systems: single quotes won't | ||
work around arguments, and various characters like % are | ||
interpreted within double quotes. | ||
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This compiles without change on Macintosh OS X using gcc and | ||
the standard developer tools. | ||
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This is also said to compile on Macintosh OS 9 systems, using the | ||
file "buildmac" provided by Dan Allen (danallen@microsoft.com), | ||
to whom many thanks. | ||
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The version of malloc that comes with some systems is sometimes | ||
astonishly slow. If awk seems slow, you might try fixing that. | ||
More generally, turning on optimization can significantly improve | ||
awk's speed, perhaps by 1/3 for highest levels. |
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