perl : Remove empty lines from an array

Using grep the empty lines can be removed from an array in perl. Here is how.

### Remove any empty lines
@dataArray = grep(/S/, @dataArray);

S does the pattern matching that if everything on that line is a space.

2 Replies to “perl : Remove empty lines from an array”

Seth Williams says:

February 12, 2016 at 8:22 pm

You need the backslash before the ‘S’ like this: /S/
1. kunwarvjain says:
  
  February 19, 2016 at 4:44 pm
  
  Thank you Seth, I have corrected.

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