Call sed to replace a string stored in a bash variable
3 Answers Sorted by 3 With zsh array1 string1 string2 string3 sed i e array1 d file Would delete all the lines that match any of the regex in array1 Or you could do any Bourne like shell regexps string1 string2 string3 grep ve regexps file
Sed Substitution With Variables Baeldung on Linux, Overview sed is a powerful text processing tool in the Linux command line We often do text substitution using compact sed one liners They re pretty convenient However when we execute sed substitution with shell variables there are some pitfalls we should be aware of
Bash How do I use variables in a sed command Ask Ubuntu
3 Answers Sorted by 733 The shell is responsible for expanding variables When you use single quotes for strings its contents will be treated literally so sed now tries to replace every occurrence of the literal var1 by ZZ Using double quotes Use double quotes to make the shell expand variables while preserving whitespace
Regex Using sed to replace string in file with contents of variable , 1 Backticks won t work there Variables are expanded by the shell before sending the argument to sed Barmar Oct 25 2013 at 5 07 1 Perl would be better for this It can use ENV variable to get an environment variable after setting variable to the string between Barmar Oct 25 2013 at 5 09 Add a comment
How to Use sed to Find and Replace String in Files Linuxize
How to Use sed to Find and Replace String in Files Linuxize, REPLACEMENT The replacement string g Global replacement flag By default sed reads the file line by line and changes only the first occurrence of the SEARCH REGEX on a line When the replacement flag is provided all occurrences are replaced INPUTFILE The name of the file on which you want to run the command
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How to use variables in a command in sed Stack Overflow
How to use variables in a command in sed Stack Overflow How to use variables in a command in sed Ask ion Asked 10 years 2 months ago Modified 5 months ago Viewed 180k times 81 I have abc sh exec ROOT Subsystem xyz sh On a Unix box if I print echo HOME then I get HOME COM FILE I want to replace ROOT with HOME using sed Expected Output exec HOME COM FILE Subsystem xyz sh
How To Replace String In Pandas DataFrame Spark By Examples
I started using sed to replace text in files to make it easier to mass change the contents of files and I have each value that needs to be set as a variable with BASH and the replacement as a function that calls all of the variables to replace the existing text Example sed i e s answer FORME answer g answer txt How to replace variables strings with special characters in sed. 2 Answers Sorted by 26 Try using double quote instead of single quote sed s whatever1 2 whatever2 shared txt shared2 txt Share Improve this answer Follow edited Dec 16 2014 at 10 26 1 Did any of the answers help you If so please don t forget to mark it as the accepted answer Greenonline Aug 25 2021 at 2 52 Add a comment 2 Answers Sorted by 2
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