Andrew Gaffney wrote:
> I've got an array reference and I'm trying to figure out how many elements
> are in it. I've tried '$#arrayref', '[EMAIL PROTECTED]', '$(@($arrayref))', and
> probably a few others that I've forgotten. What is the correct way to do
> this?
you can try @{EXP} or $#{EXP}+1 where EXP is your array reference:
[panda]# perl -le 'print $#{[1,3,5,7]}+1'
4
[panda]# perl -le 'print @{[1,3,5,7]}+0'
4
[panda]#
the '{}' is sometimes optional depends on EXP, i usually use it for personal
perference.
david
--
s$s*$+/<tgmecJ"ntgR"tgjvqpC"vuwL$;$;=qq$
\x24\x5f\x3d\x72\x65\x76\x65\x72\x73\x65
\x24\x5f\x3b\x73\x2f\x2e\x2f\x63\x68\x72
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\x22\x24\x5f\x5c\x6e\x22\x3b\x3b$;eval$;
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