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Re^5: Best Perl Books of All Time

by jdporter (Canon)
on Aug 08, 2011 at 16:22 UTC ( #919275=note: print w/replies, xml ) Need Help??


in reply to Re^4: Best Perl Books of All Time
in thread Best Perl Books of All Time

Clearly you need to stop asking your son for programming advice. C/C++ is not a good place to start, and yes, you can get an interactive prompt with Perl. (there's more to it than a simple command-line option, but still, it can be done.)

Instead, ask here. We know far more about Perl than your son, and can give you the best answers. Don't give up!

I reckon we are the only monastery ever to have a dungeon stuffed with 16,000 zombies.

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Re^6: Best Perl Books of All Time
by Anonymous Monk on Aug 09, 2011 at 14:46 UTC
    mY MAIN questions is any perl monk can do perl in inractive mode like they do it in python or ruby

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[ambrus]: The main loop for unixish systems is in https://metacpan. org/source/ KARASIK/Prima-1. 49/unix/apc_app.c. It is a hand-rolled select loop, but also always spins at least once every 0.2 seconds for some reason.
[ambrus]: marto: no, not that way. if you just want to test for an existing id attribute, then write *[@id] , or you can match a regexp to the value of that attribute like *[@id=~/something/ ]
[marto]: ambrus, thanks I ended up going with '//*[starts- with(@id, "thread_")]...
[ambrus]: Sometimes it's easier to just match elements in ways other than xpath, like directly with perl code.

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