How do I remove multiple strings in Unix?

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How do I remove multiple strings in Unix?

2 Answers

  1. GNU sed (adapted from @jaypal’s comment): sed -r -i ‘s/\b(word1|word2|word3)\b//g’ file.txt.
  2. FreeBSD/OSX sed : sed -E -i ” ‘s/[[:<:]](word1|word2|word3)[[:>:]]//g’ file.txt.

How do I find and replace in all files?

Remove all the files you don’t want to edit by selecting them and pressing DEL, then right-click the remaining files and choose Open all. Now go to Search > Replace or press CTRL+H, which will launch the Replace menu. Here you’ll find an option to Replace All in All Opened Documents.

How do you sed multiple things?

You can tell sed to carry out multiple operations by just repeating -e (or -f if your script is in a file). sed -i -e ‘s/a/b/g’ -e ‘s/b/d/g’ file makes both changes in the single file named file , in-place.

How do you remove multiple lines in Linux?

To delete multiple lines at once, prepend the dd command with the number of lines to be deleted….Deleting Multiple Lines

  1. Press the Esc key to go to normal mode.
  2. Place the cursor on the first line you want to delete.
  3. Type 5dd and hit Enter to delete the next five lines.
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How do I remove a line from a word in Unix?

How do I match and remove (delete) the words “ssh_args=-p 1222” from config file using sed command under Linux or Unix like operating systems? You can use the the substitute sed command changes all occurrences of the “ssh_args=-p 1222”. The same command can be used to delete the required words.

How do you replace multiple words in Unix?

The procedure to change the text in files under Linux/Unix using sed:

  1. Use Stream EDitor (sed) as follows:
  2. sed -i ‘s/old-text/new-text/g’ input.
  3. The s is the substitute command of sed for find and replace.
  4. It tells sed to find all occurrences of ‘old-text’ and replace with ‘new-text’ in a file named input.

How do I replace text in multiple Word documents?

Find and replace text

  1. Go to Home > Replace or press Ctrl+H.
  2. Enter the word or phrase you want to locate in the Find box.
  3. Enter your new text in the Replace box.
  4. Select Find Next until you come to the word you want to update.
  5. Choose Replace. To update all instances at once, choose Replace All.
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Which option is used with sed for using multiple instructions?

Which option is used with sed for using multiple instructions? Explanation: Both -e and -f allows us to use multiple instructions with sed.

How do I remove a few lines in Unix?

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 do you replace a word with another in Unix?

Find and replace text within a file using sed command

  1. Use Stream EDitor (sed) as follows:
  2. sed -i ‘s/old-text/new-text/g’ input.
  3. The s is the substitute command of sed for find and replace.
  4. It tells sed to find all occurrences of ‘old-text’ and replace with ‘new-text’ in a file named input.

How to replace string search with replace across multiple files?

Given you want to search for the string search and replace it with replace across multiple files, this is my battle-tested, one-line formula: -I – skip binary files (you want text, right?) -l – print a simple list as output. Needed for the other commands The grep output is then piped to sed (through xargs) which is used to actually replace text.

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How to replace words in a text file using SED?

The sed command is designed for this kind of work i.e. find and replace strings or words from a text file under Apple OX, *BSD, Linux, and UNIX like operating systems. The perl can be also used as described below. sed replace word / string syntax. The syntax is as follows: sed -i ‘s/old-word/new-word/g’ *.txt.

How do I replace text in a file?

In the current snippet I’m using it to replace text with the following parameters: i — replace in file. Remove it for a dry run mode; s/search/replace/g — this is the substitution command. The s stands for substitute (i.e. replace), the g instructs the command to replace all occurrences.

How do I replace ‘Linux’ with ‘Unix’?

For instance, replace a string ‘Unix’ with ‘Linux’: Here is another bash string manipulation example that replaces all occurrences of ‘Linux’ with ‘Unix’: message = “I love Linux. Linux is awesome but FreeBSD is better too. Try it out.”