refactor(show_hidden_files): replace echo by printf in usage function

kral2 · Sep 8, 2021 · 8321b2a · 8321b2a
1 parent 3c5e7f8
commit 8321b2a
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diff --git a/system-config/show-hidden-files.sh b/system-config/show-hidden-files.sh
diff --git a/system-config/show_hidden_files.sh b/system-config/show_hidden_files.sh
@@ -0,0 +1,25 @@
+#!/bin/bash
+
+# Show hidden files and relaunch Finder
+
+# Usage:
+# > ./show_hidden_files.sh [true|false|--help]
+
+usage () {
+    printf "%s \n" "Usage : ./show_hidden_files.sh [true | false | --help]"
+	printf "\n"
+	printf "%s \n" "true  : show hidden files"
+	printf "%s \n" "false : mask hidden files"
+	printf "\n"
+	printf "%s \n" "--help  : print this usage message."
+}
+
+if [ -z "$1" ]; then
+	usage
+elif [ "$1" = "--help" ]; then
+	usage
+else
+	action=$1
+	defaults write com.apple.Finder AppleShowAllFiles "${action}"
+    killall Finder
+fi