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docs: update

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Dylan Araps
2018-06-13 13:27:38 +10:00
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README.md
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@@ -31,6 +31,7 @@ scripts and not full blown utilities.
* [Get the last N lines of a file.](#get-the-last-n-lines-of-a-file)
* [Get the number of lines in a file.](#get-the-number-of-lines-in-a-file)
* [Strings](#strings)
* [Trim white-space from string.](#trim-white-space-from-string)
* [Split a string on a delimiter.](#split-a-string-on-a-delimiter)
* [Change a string to lowercase.](#change-a-string-to-lowercase)
* [Change a string to uppercase.](#change-a-string-to-uppercase)
@@ -117,6 +118,21 @@ lines() {
## Strings
### Trim white-space from string.
**NOTE**: This also truncates multiple spaces inside the string.
```sh
# shellcheck disable=SC2086,SC2048
trim() {
# Usage: trim " example string "
set -f
set -- $*
printf '%s\n' "$*"
set +f
}
```
### Split a string on a delimiter.
```sh