sys.exit() and SystemExit : Sys : Buildin Module PYTHON TUTORIALS

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sys.exit() and SystemExit


#!/usr/bin/env       python

import sys

def usage():
    print 'At least 2 arguments (incl. cmd name).'
    print 'usage: args.py arg1 arg2 [arg3... ]'
    sys.exit(1)

argc = len(sys.argv)
if argc < 3:
    usage()
print "number of args entered:", argc
print "args (incl. cmd name) were:", sys.argv

Related Scripts with Example Source Code in same category :

The list of search path can be found in the path variable in the sys module
stdin of the sys module is a file object
sys module has the stdout and stderr attributes that point to files used for standard output and standard error output.
Using sys.modules
Redirecting Output
Redirecting Error Information
Printing to stderr
os.system(command) executes a system function as if it were in a subshell
sys.exitfunc()
Append path to system path

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