# Sed script that remove the POT-Creation-Date line in the header entry # from a POT file. # # The distinction between the first and the following occurrences of the # pattern is achieved by looking at the hold space. /^"POT-Creation-Date: .*"$/{ x # Test if the hold space is empty. s/P/P/ ta # Yes it was empty. First occurrence. Remove the line. g d bb :a # The hold space was nonempty. Following occurrences. Do nothing. x :b }