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Re: perl Expect; "set home"

by Fletch (Chancellor)
on May 18, 2011 at 17:08 UTC ( #905517=note: print w/replies, xml ) Need Help??


in reply to perl Expect; "set home"

Not that it's a perl problem but the -H option to sudo is probably what you want; that or use the correct shell syntax to change the HOME environment variable rather than making something up.

The cake is a lie.
The cake is a lie.
The cake is a lie.

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Re^2: perl Expect; "set home"
by Stoomy (Novice) on May 18, 2011 at 18:21 UTC
    Thanks flex/fletchvault,
    The -H option to sudo did what I needed.

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[choroba]: can't you create a meta-key corresponding to the disjunction of the events?
[robby_dobby]: Corion: Heh. This whole thing smells of Strategy Pattern or MVC pattern.
[Corion]: And performance linear to the number of registered one-shots doesn't feel that bad. Maybe I should collect statistics on how many callbacks are outstanding ;)
[Corion]: choroba: Yes, but the longer I thought about efficient hashes mapping the event type back to their callbacks, and how to keep them in sync, the more I thought that all that optimization might just not be worth it, even if it's horribly inelegant
[Lady_Aleena]: My biggest problem with hashes at the moment is one with 2,501 keys.
[choroba]: how many event types are there?
[Corion]: Also I found that I can't conveniently weaken an array slot, which also is inconvenient, as I want my one-shots to disappear if the caller discards them
[Corion]: choroba: Currently two or three that my program handles (WWW::Mechanize:: Chrome), but there might be more that become interesting
[Corion]: But I don't expect more than 100 to be active at the same time, so I'm not really sure if there is a not-too-fancy data structure that is maintained with few lines of code where the performance is better than the linear scan ;)
[Corion]: But I should do a mock-up program so that others can see what I'm talking about ;)

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