diff --git a/pages/common/case.md b/pages/common/case.md new file mode 100644 index 000000000..994975858 --- /dev/null +++ b/pages/common/case.md @@ -0,0 +1,11 @@ +# case + +> Branch based on the value of an expression. + +- Match a variable against string literals to decide which command to run: + +`case {{$tocount}} in {{words}}) {{wc -w README}}; ;; {{lines}}) {{wc -l README}}; ;; esac` + +- Combine patterns with |, use * as a fallback pattern: + +`case {{$tocount}} in {{[wW]|words}}) {{wc -w README}}; ;; {{[lL]|lines}}) {{wc -l README}}; ;; *) {{echo "what?"}}; ;; esac`