Re^3: Check if one of the array elements is not empty

ad 1. on other side, grep in scalar content returns number of matching elements, so you can do tests like "at least N elements match"
ad 2. same you can do with grep

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Re^4: Check if one of the array elements is not empty by CountZero (Bishop) on Nov 11, 2009 at 10:07 UTC
Ad ad 2: Silly me thinking `grep` only takes a regex! Note to self: re-read the perldocs every three months/ CountZero A program should be light and agile, its subroutines connected like a string of pearls. The spirit and intent of the program should be retained throughout. There should be neither too little or too much, neither needless loops nor useless variables, neither lack of structure nor overwhelming rigidity." - The Tao of Programming, 4.1 - Geoffrey James	[reply] [d/l]

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Re^4: Check if one of the array elements is not empty
by CountZero (Bishop) on Nov 11, 2009 at 10:07 UTC

grep

Note to self: re-read the perldocs every three months/

CountZero

A program should be light and agile, its subroutines connected like a string of pearls. The spirit and intent of the program should be retained throughout. There should be neither too little or too much, neither needless loops nor useless variables, neither lack of structure nor overwhelming rigidity." - The Tao of Programming, 4.1 - Geoffrey James

[reply]
[d/l]