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Re: search =~ for /'s

by erikharrison (Deacon)
on Jun 30, 2002 at 02:32 UTC ( #178296=note: print w/replies, xml ) Need Help??

in reply to search =~ for /'s

Everyone has advised you to use a regex so far. However, when you know the position in the string to check for, substr is often a better method, as it is clearer and potentially has a lower overhead.

$new .= '/' unless substr $new, -1 eq '/';

Light a man a fire, he's warm for a day. Catch a man on fire, and he's warm for the rest of his life. - Terry Pratchet

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Re: Re: search =~ for /'s
by Anonymous Monk on Jun 30, 2002 at 03:08 UTC
    $new .= '/' unless substr $new, -1 eq '/'; can someone explain what -1 does
      see perlman:perlfunc
      # 1st argument given: string to process # 2nd argument given: offset # so here it means regardless of the true length the # last character in the string substr ($new, -1);

      Have a nice day
      All decision is left to your taste

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[marto]: not on the Sun, it'd vaporise
[Corion]: marto: No, a Sun Balcony, it was an ill-fated attempt to revive the Sparc series after the Pizzabox :)
[marto]: ah Sun, I sold my Pizzabox in around 2005
[Corion]: I used one at $work as a terminal, but those days are long gone by ;)
[marto]: I have an old IBM infowindow terminal to repurpose, I'll just wire a raspberry piz zero to the cable, providing access and wiFi :P
[marto]: the kids will love it
[Corion]: marto: Hehe ;) I've been toying with the idea of soldering an USB (-C) hub into a keyboard and making it a computer by slotting my phone into that :)

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