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strict module #906

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p5pRT opened this issue Dec 1, 1999 · 5 comments
Closed

strict module #906

p5pRT opened this issue Dec 1, 1999 · 5 comments

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@p5pRT
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p5pRT commented Dec 1, 1999

Migrated from rt.perl.org#1841 (status was 'resolved')

Searchable as RT1841$

@p5pRT
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p5pRT commented Dec 1, 1999

From juerg_schulthess@yahoo.com

The following code complains only for $c​:

use strict​:

$a = "";
$b = "foo";
$c = "bla";

Regards,
-- J. Schulthess
__________________________________________________
Do You Yahoo!?
Thousands of Stores. Millions of Products. All in one place.
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@p5pRT
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p5pRT commented Dec 1, 1999

From [Unknown Contact. See original ticket]

Juerg Schulthess wrote​:

Some variables don't seem to be checked by the strict pragma, eg. $a, $b
Perl versions tested​: 5.004_04 (Solaris), 5.004_64 (Windows NT)

The following code complains only for $c​:

use strict​:

$a = "";
$b = "foo";
$c = "bla";

That's a feature. 'use strict' doe"sn't check for '$a' nor '$b' so you can
use them in 'sort' without complain.

Hope it helps

François Désarménien

@p5pRT
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p5pRT commented Dec 1, 1999

From [Unknown Contact. See original ticket]

Hi,

Juerg Schulthess​:

Some variables don't seem to be checked by the strict pragma, eg. $a, $b
Perl versions tested​: 5.004_04 (Solaris), 5.004_64 (Windows NT)

$a and $b are special (for use in sort() code).

--
Matthias Urlichs | noris network GmbH | smurf@​noris.de | ICQ​: 20193661
The quote was selected randomly. Really. | http​://www.noris.de/~smurf/
--
The number of computer scientists in a room is
inversely proportional to the number of bugs in their code.

@p5pRT
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p5pRT commented Dec 1, 1999

From [Unknown Contact. See original ticket]

How do I close this ticket?

-- J. Schulthess

=====
<pre>
Juerg Schulthess .`'???.
  (o o)
-=-=-=-=-=-=-=-oOOo-(_)-oOOo-=-=-=-=-=-=-=-=-=-=-=-=-=-=
  juerg_schulthess@​yahoo.com
"I date this girl for two years -- and then the nagging
starts​: "I wanna know your name...""</pre>
__________________________________________________
Do You Yahoo!?
Thousands of Stores. Millions of Products. All in one place.
Yahoo! Shopping​: http​://shopping.yahoo.com

@p5pRT
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p5pRT commented Dec 1, 1999

From [Unknown Contact. See original ticket]

François Désarménien wrote

That's a feature. 'use strict' doe"sn't check for '$a' nor '$b' so you can
use them in 'sort' without complain.

True enough. But given the frequency with which this comes up, it's
certainly a bug that it's not documented.

Patch for perl5.005_62 attached.

PS Juerg​: you don't need to do anything to close a bug report.
  We just stop discussing it when we get sufficiently bored ...

Mike Guy

Inline Patch
--- ./lib/strict.pm.orig	Wed Dec  1 14:32:44 1999
+++ ./lib/strict.pm	Wed Dec  1 14:34:21 1999
@@ -56,6 +56,9 @@
 The local() generated a compile-time error because you just touched a global
 name without fully qualifying it.
 
+Because of their special use by sort(), the variables $a and $b are
+exempted from this check.
+
 =item C<strict subs>
 
 This disables the poetry optimization, generating a compile-time error if

End of patch

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