A whole 10 seconds of testing seems to indicate that @s@ pmatches 'fread
silly, while @s & s@ don't.  In other words, it matches much the same way
listf wildcards do.  I have no particular position on whether that is 'broke'
for what people would like to use it for (never used it myself).

Dave Powell,  MMfab

----- Original Message ----- 
From: "donna garverick" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, October 07, 2005 10:21
Subject: [HP3000-L] is pmatch broke?


> hi all!
>
> i'm looking at using the ci function 'pmatch' in a script...and thought
> i would run some little tests before committing to using it.
>
> here's the help text for pmatch:
>
> Syntax:     PMATCH(pattern,str[,start])
>
> Defn:       A CI evaluator function that searches for pattern
>             in a string beginning at start.  Default start is 1.
>
> Type:       Boolean
>
> Example:    pmatch('f@','fread')
> Result:     TRUE
> Example:    pmatch('abc','abcd')
> Result:     FALSE
>
> so starting with:
>
>   setvar x 'fread'
>
> pmatch will indeed return true if you search for [log in to unmask]  if x is
> modified to:
>
>   setvar x 'fread silly'
>
> pmatch will still (as expected) to return true when searching for [log in to unmask]
>  however if you search for 's@', pmatch returns false!  given the help
> text, i would fully expect pmatch to return true in this situation.
>
> further experimentation shows that pmatch only works (returns true) if
> the search pattern is set to look for what's at the beginning of the
> string -- which strikes me as rather pointless.
>
> the implied advantage of pmatch is that it will search for a pattern
> (hence '@' (and obtw, are any of the other mpe wildcard symbols
> supported (theoretically))) -- where str and pos only deal with
> literals.
>
> so -- is pmatch broke?             - d
>
> Donna Garverick, HP-CSA   Sr. System Programmer
> dgarverick -at- longs -dot- com
> 925-210-6631              Longs Drug Stores
>
> Come, my friends, 'Tis not too late to seek a newer world.
> Tho' much is taken, much abides; and tho'
> We are not now that strength which in old days
> Moved earth and heaven, that which we are, we are.
> "Ulysses", A. Tennyson
>
> >>>MY opinions, not Longs Drug Stores'<<<
>
>
>
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