Add "which" path searching functionality to pactest

Signed-off-by: Aaron Griffin <aaronmgriffin@gmail.com>
2007-11-29 23:37:53 -06:00 · 2007-11-29 23:37:53 -06:00 · 685a659656
commit 685a659656
parent 9558639d80
1 changed files with 8 additions and 0 deletions
--- a/pactest/util.py
+++ b/pactest/util.py
@ -235,6 +235,14 @@ def diffmtime(mt1, mt2):
 # Miscellaneous
 #

+def which(filename):
+    path = os.environ["PATH"].split(':')
+    for p in path:
+        f = os.path.join(p, filename)
+        if os.access(f, os.F_OK):
+            return f
+    return None
+
 def grep(filename, pattern):
    lines = file(filename, 'r').readlines()
    for line in lines: