# pure sh bible

A collection of pure POSIX `sh` alternatives to external processes


## Table of Contents

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* [STRINGS](#strings)
    * [Strip pattern from start of string](#strip-pattern-from-start-of-string)
    * [Strip pattern from end of string](#strip-pattern-from-end-of-string)

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# STRINGS

## Strip pattern from start of string

**Example Function:**

```sh
lstrip() {
    # Usage: lstrip "string" "pattern"
    printf '%s\n' "${1##$2}"
}
```

**Example Usage:**

```shell
$ lstrip "The Quick Brown Fox" "The "
Quick Brown Fox
```

## Strip pattern from end of string

**Example Function:**

```sh
rstrip() {
    # Usage: rstrip "string" "pattern"
    printf '%s\n' "${1%%$2}"
}
```

**Example Usage:**

```shell
$ rstrip "The Quick Brown Fox" " Fox"
The Quick Brown
```