improved POSIX

src/sh/varia.sh

@@ -5,7 +5,7 @@
 # @argument $2: Content to show in preview window
 # @return: 0 if the user answered "yes" and 1 otherwise.
 ynprompt() {
-  return $(printf '0 \033[32myes\033[0m\n1 \033[31mno\033[0m\n' |
+  return "$(printf '0 \033[32myes\033[0m\n1 \033[31mno\033[0m\n' |
     $FZF \
     --sync \
     --bind='start:pos(2)' \
@@ -19,7 +19,7 @@ ynprompt() {
     --with-nth=2.. \
     --accept-nth=1 \
     --header-border='line' \
-    --color='border:yellow,header:yellow')
+    --color='border:yellow,header:yellow')"
 }
 
 # This prompts the user for a series of options.