ÓÃpythonµÄcmdÄ£¿éдһ¸ö¼òµ¥µÄshell
from cmd import *
class MyShell(Cmd):
def preloop(self):
print "print this line before entering the loop"
def postloop(self):
print "print this line after leaving the loop"
def precmd(self, line):
print "print this line before do a command"
return Cmd.precmd(self, line)
def postcmd(self, stop, line):
print "print this line after do a command"
return Cmd.postcmd(self, stop, line)
def do_test(self, line):
''' test command, just print the arguments except some special ones'''
if line == "exit":
exit()
else:
print line
MyShell().cmdloop()
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