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php  committed 62fab24

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+#!/usr/bin/env python
+import re, os, sys
+import subprocess
+
+def getpath(program):
+    proc = subprocess.Popen(["which", program], shell=False, stdin=subprocess.PIPE, stdout=subprocess.PIPE)
+    output,err = proc.communicate()
+    if proc.returncode == 0:
+        return os.path.dirname(output.strip())
+    return None
+def usage():
+    print 'envcc <program> +|-<program>'
+    print ''
+
+if len(sys.argv) <= 1:
+    usage()
+    sys.exit(255)
+
+preg = re.compile('(\+|\-)?([a-z]+)')
+
+paths = {}
+for arg in sys.argv[1:]:
+    m = preg.match(arg)
+    try:
+        if m:
+            p = m.group(2)
+            if m.group(1) == '-' and p in paths:
+                del paths[p]
+            elif m.group(1) == '+':
+                paths[p] = getpath(p)
+            else:
+                paths = {p: getpath(p)}
+    except OSError:
+        print 'Error occured'
+print os.pathsep.join(paths.values())