How to delete lines that duplicate the header?
This is where lines that duplicate the header will get deleted. s/ .*$// deletes the portion of text that was added by the G command, so that what gets printed is just the line of text from the file.
How to delete all lines in a Linux file?
Delete lines other than the first line or header line. Use the negation (!) operator with d option in sed command. The following sed command removes all the lines except the header line. > sed ‘1!d’ file linux.
Is there a way to remove lines from a source file?
However the sed command does not remove the lines from the source file. To Remove the lines from the source file itself, use the -i option with sed command. If you dont wish to delete the lines from the original source file you can redirect the output of the sed command to another file.
How to delete all rows except the first header row in Excel?
VBA code: Delete all rows except the first header row in Excel. 1. 2. 3. Sub DeleteExceptFirst () Rows (“2:” & Rows.Count).ClearContents. End Sub. 3. Press the F5 key to run the code, then all rows except the first header row are deleted from the active worksheet immediately.
How to remove header and footer records of a flat file?
9 20050427 HEADER RECORD 0000000 00000 000000000 123456 00 654321 DATARECORD 0000000 00000 000000000 123456 00 654321 DATARECORD 0000000 00000 000000000 123456 00 654321 DATARECORD 0000000 00000 000000000 123456 00 654321 DATARECORD 6 20050427 TRAILER RECORD As @Baramin noted: the least amount to type is sed ‘1d;$d’, here is how it works:
How to delete header and footer records using Unix shell?
How do I delete the header and footer from the file using UNIX shell script and rewrite the same file.
How to clip the last line of a file?
Someone should be able to beat this. OTOH, a couple of commands that will clip the first and last line of a file. head -n -1 will clip the last line of a file. Alternatively, you can use grep -v to filter out the first and last lines if they can be reliabily identified by string matches.
https://www.youtube.com/watch?v=1lNL31q4T5I