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Re^4: no uninitialized warnings

by ccn (Vicar)
on Aug 25, 2004 at 16:46 UTC ( [id://385737]=note: print w/replies, xml ) Need Help??


in reply to Re^3: no uninitialized warnings
in thread no uninitialized warnings

or like this: 

$_ = '[undef]' for grep !defined, $var1, $var2, $var3;
print "$var1, $var2, $var3";

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Update: I forgot that changing the values can affect program logic(as Aristotle mentioned). So, the best approach (imho) is just print with warnings or 

use Data::Dumper;
print Data::Dumper->Dump([$var1, $var2, $var3], [qw(var1 var2 var3)]);

[download]

Replies are listed 'Best First'.
Re^5: no uninitialized warnings
by Aristotle (Chancellor) on Aug 29, 2004 at 19:25 UTC

    Or non-destructively and unambiguously:

    print join " ", map { defined() ? "'\Q$_\E'" : 'undef' } $var1, $var2,
+ $var3;

    [download]

    Makeshifts last the longest.

[reply]
[d/l]

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