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1 How to grep a variable pattern – The UNIX and Linux Forums

  • Author:
  • Published Date: 12/26/2021
  • Review: 4.8 (822 vote)
  • Summary: · The carat “^” in the pattern will force $LINE to be at the beginning of the line, not just anywhere in the data. Original Post by 

2 Environment Variables (GNU Grep 3.8)

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  • Published Date: 02/03/2022
  • Review: 4.78 (461 vote)
  • Summary: This obsolescent variable interacts with GREP_COLORS confusingly, and grep warns if it is set and is not overridden by GREP_COLORS . Instead of ‘ GREP_COLOR=’ 

3 How to Grep on a Variable or Grep a String From a Variable

 How to Grep on a Variable or Grep a String From a Variable
  • Author:
  • Published Date: 11/14/2021
  • Review: 4.56 (421 vote)
  • Summary: · Learn how to use grep to match strings or patterns inside of a variable. We will demonstrate several ways to grep strings from variables
  • Matching search results: When using Linux there are always several ways to accomplish a task. In this Linux quick tip we demonstrated how to grep a string from a variable. By converting a variable into the standard input stream we were able to pass it to grep. It’s an …

4 How do I store a grep value in a variable in UNIX?

  • Author:
  • Published Date: 11/24/2021
  • Review: 4.34 (203 vote)
  • Summary: To store the output of a command in a variable, you can use the shell command substitution feature in the forms below: variable_name=$(command) variable_name=$( 
  • Matching search results: If what you want is for the variable to be available to every session, instead of just the current one, you will need to set it in your shell run control. Then add the set line or the setenv line shown above to automatically set the variable or …

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