src/bin/expr/expr.y, branch release/2.1.0

Brought in changes from rev 1.10: conform to POSIX.2 when comparing

1995-08-25T03:06:36Z

integers.

You will find enclosed some changes to make gcc -Wall more happy in

1995-03-19T13:29:28Z

/usr/src/bin. Note that some patches are still needed in that directory. I (Joerg) finished most of Philippe's cleanup. /bin/sh will still need *allot* of work, however. Submitted by: charnier@lirmm.fr (Philippe Charnier)

Added $Id$

1994-09-24T02:59:15Z

Explicitly include before including . This is

1994-09-05T13:03:50Z

apparently required by POSIX. It will be required in practice when the bogus inclusion of is removed from .

Allow expressions like "expr 'ABC' : '^.*$' to work as is done in other

1993-10-04T21:58:53Z

expr implementations.

Fix grammar to eliminate support for unary minus expressions -- they

1993-09-14T22:49:52Z

weren't supported, they aren't standard, and they caused expr to dump core.

1003.2 requires that lexical comparisons be done in locale specific manner,

1993-08-17T16:06:00Z

so we have to use strcoll() instead of strcmp(). 1003.2 requires that a null string be returned if a string does not match a  subexpression. Replaced fprintf/exit with calls to err and errx as appropriate.

Update to my latest expr (fixes bugs with comparison and matching operators)

1993-07-21T22:56:14Z

Add man page I wrote.

added POSIX regex to expr

1993-06-19T01:55:46Z

Initial import, 0.1 + pk 0.2.4-B1

1993-06-12T14:58:17Z