From c2587c76f1b416cdbecb979e54941933246bf856 Mon Sep 17 00:00:00 2001
From: Skip Montanaro <skip.montanaro@gmail.com>
Date: Tue, 16 Feb 2021 20:14:16 -0600
Subject: starting over

---
 lib/getopt.py | 54 +++++++++++++++++++++++++++---------------------------
 1 file changed, 27 insertions(+), 27 deletions(-)

(limited to 'lib/getopt.py')

diff --git a/lib/getopt.py b/lib/getopt.py
index f343c22..ef72fbc 100644
--- a/lib/getopt.py
+++ b/lib/getopt.py
@@ -12,36 +12,36 @@
 # detects an error.
 
 # It returns two items:
-# (1) a list of pairs (option, option_argument) giving the options in
-# the order in which they were specified. (I'd use a dictionary
-# but applications may depend on option order or multiple
-# occurrences.) Boolean options have '' as option_argument.
-# (2) the list of remaining arguments (may be empty).
+# (1)	a list of pairs (option, option_argument) giving the options in
+#	the order in which they were specified.  (I'd use a dictionary
+#	but applications may depend on option order or multiple
+#	occurrences.)  Boolean options have '' as option_argument.
+# (2)	the list of remaining arguments (may be empty).
 
 error = 'getopt error'
 
 def getopt(args, options):
- list = []
- while args and args[0][0] = '-' and args[0] <> '-':
- if args[0] = '--':
- args = args[1:]
- break
- optstring, args = args[0][1:], args[1:]
- while optstring <> '':
- opt, optstring = optstring[0], optstring[1:]
- if classify(opt, options): # May raise exception as well
- if optstring = '':
- if not args:
- raise error, 'option -' + opt + ' requires argument'
- optstring, args = args[0], args[1:]
- optarg, optstring = optstring, ''
- else:
- optarg = ''
- list.append('-' + opt, optarg)
- return list, args
+    list = []
+    while args and args[0][0] = '-' and args[0] <> '-':
+    	if args[0] = '--':
+    	    args = args[1:]
+    	    break
+    	optstring, args = args[0][1:], args[1:]
+    	while optstring <> '':
+    	    opt, optstring = optstring[0], optstring[1:]
+    	    if classify(opt, options): # May raise exception as well
+    	    	if optstring = '':
+    	    	    if not args:
+    	    	    	raise error, 'option -' + opt + ' requires argument'
+    	    	    optstring, args = args[0], args[1:]
+    	    	optarg, optstring = optstring, ''
+    	    else:
+    	    	optarg = ''
+    	    list.append('-' + opt, optarg)
+    return list, args
 
 def classify(opt, options): # Helper to check type of option
- for i in range(len(options)):
- if opt = options[i] <> ':':
- return options[i+1:i+2] = ':'
- raise error, 'option -' + opt + ' not recognized'
+    for i in range(len(options)):
+	if opt = options[i] <> ':':
+	    return options[i+1:i+2] = ':'
+    raise error, 'option -' + opt + ' not recognized'
-- 
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