How to replace the nth occurrence of a string using sed
2 Answers Sorted by 32 First replace all the newlines with a unique character that does not occur anywhere else in your file e g using tr You need to do this in order to create a single string for sed Then pass it to sed and tell it to replace the nth occurrence of your string
Regex Sed replace at second occurrence Stack Overflow, 8 I want to remove a pattern with sed only at second occurence Here is what I want remove a pattern but on second occurrence What s in the file csv a Name null abc csv c d Name null abc csv f a Name null acb csv c d Name null acb csv f a Name null cba csv c d Name null cba csv f Output wanted
How to Replace the Nth Occurrence of a String Using sed
1 Overview In this tutorial we ll learn a few advanced techniques of using the sed editor to replace the n th occurrence of a string 2 Gaps in the Naive Approach Let s say that we have a file named teams txt containing the names of players in multiple teams
Linux replace nth occurence of string in each line of a text file , 2 Answers Sorted by 26 You can add a number at the end of the substitute command For example the following will substitute the second occurrence of old with the string new on each line of file sed s old new 2 file So instead of your proposed solution you can use sed s 2 For more information see e g this sed tutorial Share
Use sed to use find and replace for each second occurrence
Use sed to use find and replace for each second occurrence, 4 Answers Sorted by 5 sed E s 0 1 2 999 dat The is greedy and eats up as much characters as possible so the matches always the last one of the line The ensures that the optional of the second number gets into the second group Share
Array Use Bash Count Every Word s Occurrence In A File YouTube
Bash Is there a way to replace last occurrence of match using a shell
Bash Is there a way to replace last occurrence of match using a shell 2 Answers Sorted by 7 Note this replaces a trailing occurrence not quite the same as the last occurrence From the Bash reference manual Section 3 5 3 Shell Parameter Expansion parameter pattern string The pattern is expanded to produce a pattern just as in filename expansion
How To Return Value From A Bash Function
Wiki says PARAMETER PATTERN STRING PARAMETER PATTERN STRING This one can substitute replace a substring matched by a The matched substring wi Stack Exchange Network Bash substitute last occurrence of given pattern in search and replace. 25 Answers Sorted by 395 A sed script that will only replace the first occurrence of Apple by Banana Example Input Output Apple Banana Apple Apple Orange Orange Apple Apple This is the simple script Editor s note works with GNU sed only sed 0 Apple s Apple Banana input filename Here the sed way sed E a N ba s a Z s a Z s a Z alphabet Since sed normaly works on lines any command to sed will act only on 1 line at a time To be able to replace only the first 3 occurances we need to first make the whole file a single selection on which we will do our 3 replacements
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