mini-grep

minigrep is a a command line tool that interacts with file and command line input/output.
It recursively searches the current directory for a regex pattern.
It is similar to other popular search tools like grep.

Usage

Command line arguments are passed after the --.

$ cargo run -- <query> <filepath> > <output-file>

• The first argument <query> holds the string to search for.
• The second argument <filepath> is the path of the .txt file to conduct the search.

Example Usage

$ cargo run -- to poem.txt > output.txt

Environment variables

Toggle between case sensitive and case insensitive search by passing the IGNORE_CASE environment variable.

$ IGNORE_CASE=1 cargo run -- <query> <filepath> > <output-file>

Set environment variables are valid for the duration of the current terminal session.