use eval to allow command chains and report what we do

linux/t_rmmod_modprobe_loop.sh

@@ -1,6 +1,8 @@
 #!/bin/sh
 # Nico Schottelius
 # Script to test if a module can be reloaded
+# usage: <module> <cmd>
+# example: iwlagn "sleep 0.2"
 
 mod="$1"; shift
 cmd="$1"; shift
@@ -13,7 +15,7 @@ while true; do
    else
       modprobe -v "$mod"
    fi
-   
-   $cmd
+   echo "Calling $cmd ..." 
+   eval $cmd
 done