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Re^5: Is there a way to compare strings without using an array? (say)

by jeffa (Chancellor)
on Oct 18, 2011 at 21:44 UTC ( #932248=note: print w/ replies, xml ) Need Help??


in reply to Re^4: Is there a way to compare strings without using an array? (say)
in thread Is there a way to compare strings without using an array?

The reason is because say is not (yet) a built-in function. You have to import the function into your namespace first, hence use feature 'say';

Alternatively, you can just use print, which does not implicitly add the new line for you like say does.

print "$_\n" for $line1 =~ /[$line2]/g;
You can also add the -l (dash elle) modifier to your "shebang" line which essentially makes print behave like say:
#!/path/to/perl -l ... print for $line1 =~ /[$line2]/g;
Hope this helps!

jeffa

L-LL-L--L-LL-L--L-LL-L--
-R--R-RR-R--R-RR-R--R-RR
B--B--B--B--B--B--B--B--
H---H---H---H---H---H---
(the triplet paradiddle with high-hat)


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Re^6: Is there a way to compare strings without using an array? (say)
by ikegami (Pope) on Oct 18, 2011 at 22:45 UTC

    say is a builtin function since 5.010. feature has never exported say. feature tells the parser that say should use the builtin say instead of the sub say.

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