Pattern Search Utility
Search through files and output lines matching a given pattern. Supports basic, extended, and Perl-compatible regular expressions.
Usage
grep-tool [options] <pattern> [file...]
Common Options
-i: Case-insensitive search-r: Recursive directory search-n: Show line numbers-v: Invert match (show non-matching lines)-c: Count matches instead of showing lines
Examples
# Case-insensitive search
grep-tool -i "error" log.txt
# Recursive search
grep-tool -r "function" ./src
# Count matches
grep-tool -c "TODO" *.py