is_callable: simpler solution

diff --git a/muttjump b/muttjump
index 8170f4e821857f7d3f6c21c6d4af2af03421d84d..74f69d13bade6bbb351d2144f5174bde1cd6c3a1 100755 (executable)
--- a/muttjump
+++ b/muttjump
@@ -59,8 +59,7 @@ function quote () {
 }
 
 function is_callable () {
-    read cmd args <<<$1
-    type -p $cmd >/dev/null
+    type -p $1 >/dev/null
 }
 
 # Check command-line arguments and STDIN