pass argument to a py file
import sys def hello(a,b): print "hello and that's your sum:", a + b if __name__ == "__main__": a = int(sys.argv[1]) b = int(sys.argv[2]) hello(a, b) # If you type : py main.py 1 5 # It should give you "hello and that's your sum:6"
read argument from terminal
#!/usr/bin/python import sys print 'Number of arguments:', len(sys.argv), 'arguments.' print 'Argument List:', str(sys.argv) #Terminal # $ python test.py arg1 arg2 arg3 #print #Number of arguments: 4 arguments. #Argument List: ['test.py', 'arg1', 'arg2', 'arg3']
python main args
#!/usr/bin/python import sys, getopt def main(argv): inputfile = '' outputfile = '' try: opts, args = getopt.getopt(argv,"hi:o:",["ifile=","ofile="]) except getopt.GetoptError: print 'test.py -i <inputfile> -o <outputfile>' sys.exit(2) for opt, arg in opts: if opt == '-h': print 'test.py -i <inputfile> -o <outputfile>' sys.exit() elif opt in ("-i", "--ifile"): inputfile = arg elif opt in ("-o", "--ofile"): outputfile = arg print 'Input file is "', inputfile print 'Output file is "', outputfile if __name__ == "__main__": main(sys.argv[1:])
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