Chapter 16 Advanced Sed

1. Multiline Commands Basically, the sed editor operates in a structure that processes one line at a time from multiple data lines and processes the next line. However, when the data to be processed spans multiple lines, data processing becomes difficult with the basic sed processing structure. For this, the advanced sed editor provides the following three commands. N: Allows adding a new data line to an existing data stream. D: Deletes one line from several groups. P: Outputs one matching li...

원문링크 : Chapter 16 Advanced Sed