Replacing Multiple blank lines with a single blank line in vim sed
If you aren t firing vim or sed for some other use cat actually has an easy builtin way to collapse multiple blank lines just use cat s
In bash how can I replace empty lines with null and vice versa , This answer doesn t exactly replace empty lines with null and vice versa so it doesn t solve the title It injects null bytes in the right places then removes them because I think it s easier this way it solves the body Solution Let s adjust this other answer of mine Sort packs of lines alphabetically
Using sed to Replace a Multi Line String Baeldung on Linux
First let s start writing our emp sed script by growing the pattern space window from the default single line window to a three line window Also we have to increase the window size by two lines so we can invoke the N command twice sed n 1 2p emp sed N N
Scripting How to remove multiple blank lines from a file Unix , Possible duplicate of Replacing Multiple blank lines with a single blank line in vim sed l0b0 Apr 17 2013 at 10 45 2 l0b0 that s a completely different ion altogether the other one was a vim one and was to replace blank lines with one blank line St phane Chazelas Apr 17 2013 at 11 41 Add a comment 8 Answers Sorted by 16
Newlines How to replace double new line with single using tr Unix
Newlines How to replace double new line with single using tr Unix , That said there s the s option to squeeze identical characters after a replacement so tr s n n would replace newlines with newlines and then leave only one newline in a row cat test txt foo bar doo cat test txt tr s n n foo bar doo Note that in your example you have two empty lines so three newlines in a row
How To Replace A String In A File Using Bash Codefather
Linux Delete empty lines using sed Stack Overflow
Linux Delete empty lines using sed Stack Overflow which means print all lines except the empty one s and be quiet Timo Feb 24 2018 at 11 45 Delete empty lines from a text file via Bash including empty spaces characters 1719 How to delete multiple empty lines with SED See more linked ions Related 2
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How to replace multiple lines using bash Ask ion Asked 11 years 11 months ago Modified 11 years 11 months ago Viewed 10k times 4 I have a file with thousands of lines I m looking for help to modify multiple lines which i were to choose Linux how to replace multiple lines using bash Stack Overflow. 9 Answers Sorted by 60 sed d sed is line oriented so thinking in terms of 2 or more of a particular byte works except when that byte is a newline Replace multiple spaces with one using tr only Ask ion Asked 9 years 4 months ago Modified 3 years 5 months ago Viewed 283k times 118 I have a file f1 txt ID Name 1 a 2 b 3 g 6 f The number of spaces is not fixed What is the best way to replace all the white spaces with one space using only tr This is what I have so far
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