unshift - prepend more elements to the beginning of a list
Does the opposite of a
. Or the opposite of a
depending on how you look at it. Prepends list to the front of the
array, and returns the new number of elements in the array.
unshift(ARGV, '-e') unless $ARGV =~ /^-/;
Note the LIST is prepended whole, not one element at a time, so the
prepended elements stay in the same order. Use reverse to do the