How can I use sed to delete 2 lines after match matches
I have the following command sed i e match1 2d filex which deletes 2 lines after finding the match match1 in the file file x I want to add several matches to it like match1 match 2 So it will delete 2 lines after finding any of the matches how can I achieve this linux shell sed Share edited Nov 30 2011 at 9 03 sehe
Deleting a range of n lines before and after a matched line in sed , With GNU sed to remove two lines before and three after the match the values in the With general sed implementations you don t have option z so you need to collect lines in the buffer with the H 1h d scheme and can t do everything but newline with n so you need a workaround like this
Use sed or what to match and delete multiple lines i e
If flag and second line matches set another flag if both flag and third line matches then delete the three lines from the array End Loop Print modified array back out should also work in python If you want to use a single regexp to match across multiple lines perl has a post regex flag m for that From perlre m Treat string as
Remove the lines before and after the exact match linux, For multi line operations in sed a scheme of NPD is useful In your case I started with a loop between start start being an arbitrary label and b start go to the label
Guide to Using sed to Remove Multi Line Text Blocks
Guide to Using sed to Remove Multi Line Text Blocks, Overview sed is a versatile utility for working with text data in Linux In this tutorial we ll learn how to use GNU sed to remove multi line text blocks in different scenarios 2 Deleting a Text Block Between Two Regexes In this section we ll learn how to delete text blocks between two regular expressions 2 1 Understanding the Scenario
Delete Multiple Lines In A File 2 Solutions YouTube
Delete lines that come after a line with a specific pattern in Shell
Delete lines that come after a line with a specific pattern in Shell Meaning match every line from the first one to the one with pattern and delete all the non matched lines So replace pattern with your pattern If it contains you need to escape those characters For example if the pattern is pattern with character sed 1 pattern with character d file
Solved Using Sed To Delete All Lines Between Two 9to5Answer
Try with sed e and eventually posix there is not reason that this sed action remove only the work there is no action for that d only delete FULL line You could maybe debug with a l DNW d to be sur there is no New Line ex from WinDOS file source NeronLeVelu Jul 23 2014 at 6 29 Sed How to remove entire line matching specific string . Don t try to use sed for this as it doesn t understand literal strings and so will fail given various characters in your search string a regexp to sed or replacement string again not literal as backreferences are interpreted see is it possible to escape regex metacharacters reliably with sed Oct 18 2023 Abhishek Prakash Delete Lines With Sed Deleting lines with sed command is quite simple if you understand the trick And the trick is that it follows this pattern mostly sed nd filename Think of it as delete n
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