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pages/04.other/14.bash/default.en.md

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+---
+title: Bash
+---
+
+[toc]
+## Returning exit status
+`exit 1`
+
+Code | Meaning 
+---  | ---
+0    | Success
+1    | Error
+
+## Check for Arguments given
+```
+if [ $# -eq 0 ]; then
+    echo "Please supply one argument"
+    $(exit 1); echo "$?"
+elif [ $# -ge 2 ]; then
+    echo "Please give only one argument"
+    $(exit 1); echo "$?"
+fi
+```
+## Multiline output
+```
+cat << EOF
+Line 1
+Line 2
+Line 3
+EOF
+```
+Will output:  
+```
+Line 1
+Line 2
+Line 3
+```