I am having trouble extending my option parsing.
Any help is appreciated:
import sys
import getopt
import time
def tail(file):
while 1:
where = file.tell()
line = file.readline()
if not line:
time.sleep(1)
file.seek(where)
else:
print line, # already has newline
def main():
# parse command line options
try:
opts, args = getopt.getopt(sys.argv[1:], "hf:", ["help", "filename="
])
except getopt.error, msg:
print msg
print "for help use --help"
sys.exit(2)
# process options
for o, a in opts:
if o in ("-h", "--help"):
print __doc__
sys.exit(0)
if o in ("-f", "--filename"):
print "Parsing F argument"
file = open(filename, 'r')
print file
# process arguments
for arg in args:
process(arg) # process() is defined elsewhere
if __name__ == "__main__":
main()
Yields this error:
localhost:src gsery$ python logTail.py /var/log/system.log
Traceback (most recent call last):
File "logTail.py", line 52, in <module>
main()
File "logTail.py", line 49, in main
process(arg) # process() is defined elsewhere
NameError: global name 'process' is not defined
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