![]() ![]() ![]() Grep -F words file How do I use grep to search a file on Linux? grep -F 'word-to-search' file.txtĬat otherfile | grep 'something' command | grep 'something' command option1 | grep 'data' grep -color 'data' fileName # Interpret PATTERNS as fixed strings, not regular expressions (regex) when fgrep used. Let us see all commands and options in details. Search and display the total number of times that the string ‘nixcraft’ appears in a file named frontpage.md:.Look for all files in the current directory and in all of its subdirectories in Linux for the word ‘httpd’:.Perform a case-insensitive search for the word ‘bar’ in Linux and Unix:.Search any line that contains the word in filename on Linux:. ![]() grep command examples in Linux and Unixīelow is some standard grep command explained with examples to get you started with grep on Linux, macOS, and Unix: For most use cases, fgrep is sufficient due to speed and only looking into strings and words. The grep utilities are a family that includes grep, grep -E (formally egrep), and grep -F (formally fgrep) for searching files. The name, “grep”, derives from the command used to perform a similar operation, using the Unix/Linux text editor ed:
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