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Re^4: getting a while loop to terminate

by Anonymous Monk
on Apr 18, 2012 at 04:38 UTC ( #965614=note: print w/replies, xml ) Need Help??

in reply to Re^3: getting a while loop to terminate
in thread getting a while loop to terminate

My shell doesn't interpolate $what, as you can see from the session I posted, use single quotes if your shell interpolates doubles

Or you could even omit  $what =

Whether it is assigned to a variable or not , '0' is always false

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[thezip]: What idiom should I use to determine that a directory is empty (for many directories)?
[thezip]: I suppose could check if readdir() returns other than '.' and '..', but that seems ugly.

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