105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# Sed script that inserts the file called HEADER before the header entry. 205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# 305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# At each occurrence of a line starting with "msgid ", we execute the following 405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# commands. At the first occurrence, insert the file. At the following 505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# occurrences, do nothing. The distinction between the first and the following 605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# occurrences is achieved by looking at the hold space. 705436638acc7c010349a69c3395f1a57c642dc62Ying Wang/^msgid /{ 805436638acc7c010349a69c3395f1a57c642dc62Ying Wangx 905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# Test if the hold space is empty. 1005436638acc7c010349a69c3395f1a57c642dc62Ying Wangs/m/m/ 1105436638acc7c010349a69c3395f1a57c642dc62Ying Wangta 1205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# Yes it was empty. First occurrence. Read the file. 1305436638acc7c010349a69c3395f1a57c642dc62Ying Wangr HEADER 1405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# Output the file's contents by reading the next line. But don't lose the 1505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# current line while doing this. 1605436638acc7c010349a69c3395f1a57c642dc62Ying Wangg 1705436638acc7c010349a69c3395f1a57c642dc62Ying WangN 1805436638acc7c010349a69c3395f1a57c642dc62Ying Wangbb 1905436638acc7c010349a69c3395f1a57c642dc62Ying Wang:a 2005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# The hold space was nonempty. Following occurrences. Do nothing. 2105436638acc7c010349a69c3395f1a57c642dc62Ying Wangx 2205436638acc7c010349a69c3395f1a57c642dc62Ying Wang:b 2305436638acc7c010349a69c3395f1a57c642dc62Ying Wang} 24