1 files changed, 9 insertions, 3 deletions
diff --git a/rteval/rteval.py b/rteval/rteval.py
index beba49f..5843d78 100644
--- a/rteval/rteval.py
+++ b/rteval/rteval.py
@@ -68,10 +68,16 @@ from cputopology import CPUtopology
 
 pathSave={}
 def getcmdpath(which):
+    """
+    getcmdpath is a method which allows finding an executable in the PATH
+    directories to call it from full path
+    """
     if not pathSave.has_key(which):
-        cmd = '/usr/bin/which %s' % which
-        c = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE)
-        pathSave[which] = c.stdout.read().strip()
+        for path in os.environ['PATH'].split(':'):
+            cmdfile = os.path.join(path, which)
+            if os.path.isfile(cmdfile) and os.access(cmdfile, os.X_OK):
+                pathSave[which] = cmdfile
+                break
         if not pathSave[which]:
             raise RuntimeError, "Command '%s' is unknown on this system" % which
     return pathSave[which]