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Fgrep Command: Ignore Case When Searching Fixed String

Use for ignore case when searching fixed string with Fgrep. Exact CLI syntax to ignore case when searching fixed string using Fgrep.

When to use this: Use for ignore case when searching fixed string with Fgrep.

Command Syntax

fgrep -i 'search_string' filename.txt

fgrep -i 'search_string' filename.txt

Command Breakdown

-i: Command Option; Tool-specific option used by this command invocation.

FAQ

Purpose: Exact syntax to ignore case when searching fixed string using Fgrep.

Test path: Replace placeholders and run destructive commands in a disposable workspace first.

Flag behavior: Tool version, platform, and shell can change behavior.

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Related Operations

Fgrep Command: Search For Fixed String In File fgrep 'search_string' filename.txt Fgrep Command: Search For Fixed String In Multiple Files fgrep 'search_string' file1.txt file2.txt Fgrep Command: Search For Fixed String In Directory fgrep -r 'search_string' /path/to/directory FFmpeg Command: Combine Images Into Video Or Gif ffmpeg -i <path/to/frame_%d.jpg> -f image2 <video.mpg|video.gif> Grep Command: Use Extended Regexes Case Insensitive grep -Ei "<search_pattern>" <path/to/file>

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