Add command_exists function

2016-08-26 16:37:13 -07:00
parent 9d0ce5db9f
commit 0887152e2e
1 changed files with 4 additions and 0 deletions
--- a/dotfiles/lib/setup_functions.sh
+++ b/dotfiles/lib/setup_functions.sh
@@ -34,3 +34,7 @@ function environment_variable_exists {
    eval "value=\"\${$1+x}\""
    [ ! -z $value ]
 }
+
+function command_exists {
+    hash "$1" 2>/dev/null 1>/dev/null
+}