Initial revision

Tools/scripts/which.py

@@ -0,0 +1,44 @@
+#! /usr/local/python
+
+# Variant of "which".
+# On stderr, near and total misses are reported.
+
+import sys, posix, string, path
+from stat import *
+
+def msg(str):
+	sys.stderr.write(str + '\n')
+
+pathlist = string.splitfields(posix.environ['PATH'], ':')
+
+sts = 0
+
+for prog in sys.argv[1:]:
+	ident = ()
+	for dir in pathlist:
+		file = path.cat(dir, prog)
+		try:
+			st = posix.stat(file)
+			if S_ISREG(st[ST_MODE]):
+				mode = S_IMODE(st[ST_MODE])
+				if mode % 2 or mode/8 % 2 or mode/64 % 2:
+					if ident:
+						if st[:3] = ident:
+							s = ': same as '
+						else:
+							s = ': also '
+						msg(prog + s + file)
+					else:
+						print file
+						ident = st[:3]
+				else:
+					msg(file + ': not executable')
+			else:
+				msg(file + ': not a disk file')
+		except posix.error:
+			pass
+	if not ident:
+		msg(prog + ': not found')
+		sts = 1
+
+sys.exit(sts)