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Re^2: Understanding transformation sorts (ST, GRT), the details

by merlyn (Sage)
on May 18, 2005 at 14:08 UTC ( #458215=note: print w/replies, xml ) Need Help??


in reply to Re: Understanding transformation sorts (ST, GRT), the details
in thread Understanding transformation sorts (ST, GRT), the details

map { /(\d[.\d]+\d)/; inet_aton($1) . $_ }
Oops! That duplicates a value twice if the next line doesn't have a good match. Perhaps you meant:
map { /(\d[.\d]+\d)/ ? inet_aton($1) . $_ : () }

-- Randal L. Schwartz, Perl hacker
Be sure to read my standard disclaimer if this is a reply.

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Re^3: Understanding transformation sorts (ST, GRT), the details
by jdporter (Canon) on May 18, 2005 at 14:23 UTC
    I'm assuming well-formed input. If there's non-conformant data in the input, it would be better to have already detected and handled it.

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[marto]: good morning all, TCIF
[gnosti]: I'm reading from ffmpeg lengths of video clips in H:M:S and needing to add them and format them back to H:M:S for feeding back to ffmpeg
[marioroy]: kcott Thanks
[Corion]: gnosti: I would cheat and use my approach instead of dealing with durations as objects, or a module
[Corion]: You could even do the calculation directly - my $duration = $H * 3600+ $M*60 + $S; strftime '%H:%M:%S', timelocal($duratio n)
[Corion]: (and that strftime call is largely superfluous too, converting back to H:M:S isn't hard either)

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