Perhaps something like...

my @list = 
  grep { length }
  map { chomp }
  qx(p4 -p $P4PORT groups);

[download]

The map {chomp} part applies chomp to each item in the list (which strips trailing line break characters).

The grep {length} part then filters out any zero-length strings.

In reply to Re^3: removing Extra lines issues in arrays by tobyink
in thread removing Extra lines issues in arrays by rajeshatbuzz

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