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1988-11-15
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1KB
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35 lines
pc AWK author's word
This version of AWK was inspired by the programming language BAWK
which was in turn inspired by AWK. I had just finished modifying the LEX and
YACC preprocessors to conform to the UNIX documentation and saw this as an
opportunity to use these utilities. Hence this version of AWK is partly
written in LEX and YACC and is compiled with Borland Turbo C.
The YACC grammar generates a pseudo code program for each pattern and
action which is interpreted by ycode interpreter. The regular expressions are
compiled by a recursive descent single pass compiler into a related p-code
program that is executed by an rcode interpreter.
I have attempted to make sure that this version of pc AWK conforms to
the language described by the book "The AWK Programming Language" by Aho,
Weinberger and Kernighan.
This version of AWK is not intended to be in the public domain and is
the sole property of Rob Duff. Any distribution for commercial gain is
prohibited. If you have the source you may freely use the ideas embodied in
the code but may not copy any part.
Report any bugs, shortcomings and comments to me at (604)251-1816
FidoNet 153/713.
Rob Duff
Vancouver BC
FidoNet 1:153/713
BBS: (604)251-1816