sedr

sedr is a command-line tool for in-place file editing using regular expressions.

Usage

sedr <regex> <original> <substitution> <file>

• <regex>: Regular expression pattern
• <original>: Original text to replace (default: $0)
• <substitution>: Replacement text
• <file>: File to process

Example

sedr '(\d{4})-(\d{2})-(\d{2})' '$0' '$1-$3-$2' file.txt

This command will change date formats from YYYY-MM-DD to YYYY-DD-MM in file.txt.

Features

• In-place file editing
• Regular expression support
• Capture group substitution
• Preserves file permissions

Notes

• $0 represents the entire matched string
• $+ can be used to represent a literal $
• Use $1, $2, etc. in the substitution to refer to capture groups

Installation

go install github.com/doraemonkeys/sedr@latest