aki-gsub

aki-gsub is the substitude text program.

Features

aki-gsub is the substitude text by regex.

• command help

text aki-gsub --help

```text Usage: aki-gsub [options]

replace string by rust lang.

Options: -e, --expression regular expression -f, --format replace format -n, --quiet no output unmach lines

-H, --help display this help and exit -V, --version display version information and exit ```

• minimum support rustc 1.38.0

Quick install

1. you can install this into cargo bin path:

text cargo install aki-gsub

1. you can build debian package:

text cargo deb

and install .deb into your local repository of debian package.

Examples

Example 1: simple replacements

Leaving one character between 'a' and 'c', converts 'a' and 'c' on both sides to '*'.

command line: echo "abcabca" | aki-gsub -e "a(.)c" -f "*\$1*"

result output: *b**b*a

The \$1 mean 1st capture.

Example 2: extracting email address

This extracts the email address and prints the name and address in commas.

command line: echo "From:Red bear<aki.akaguma@example.com>" | aki-gsub -e "From: ?(.*)<([\w\d_.-]+@[\w\d_-]+\.[\w\d._-]+)>" -f "\$1, \$2"

result output: Red bear, aki.akaguma@example.com

The \$1 mean 1st capture. The \$2 mean 2nd capture.

Library example

See [fn execute()] for this library examples.