Merge branch 'dev' of https://github.com/askiiart/configs into dev

random-bash.md

@@ -49,9 +49,18 @@ echo "Package manager: ${PM}"
 This exits with and error message if it's run as root.
 
 ```bash
-#!/bin/bash
+#!/usr/bin/env bash
 if [ $(whoami) != "root" ]; then
     >&2 echo Rerun as non-root user
     exit 1
 fi
+```
+
+## Output to stderr
+
+```bash
+#!/usr/bin/env bash
+# Put `>&2` at beginning or end of line to output to stderr
+>&2 echo "This goes to stderr"
+echo "This goes to stdout"
 ```

test.bash

@@ -1,5 +1,5 @@
-#!/bin/bash
+#!/usr/bin/env bash
-command_exists() { type "$1" &> /dev/null; }
+type "$1" &> /dev/null; }
 
 if command_exists "apt-get"; then
     PM="apt-get"