# Bash Tips
## Metadata
**Status**:: #x
**Zettel**:: #zettel/literature
**Created**:: [[2023-06-06]]
**Tags**:: #command-line
## Synopsis
⚡ Shebang
```
#!/usr/bin/env bash
set -e
set -u
[ -n "${DEBUG:-}" ] && set -x || true
```
⚡ Read array
```
readarray -t FILES < <(ls)
```
⚡ If string like
```
[[ "$x" == *"foo"* ]]
```