example of asurv called with pexpect

gistfile1.py

import pexpect

file_in = "input.dat"
file_out = "output.txt"

c = pexpect.spawn ('asurv')
c.expect('(CARRIAGE RETURN TO CONTINUE)')
c.sendline('')
c.expect('(CARRIAGE RETURN TO CONTINUE)')
c.sendline('')
c.expect('CHOICE ?')
c.sendline('1')
c.expect('CHOICE ?')
c.sendline('1')
c.expect('FROM A COMMAND FILE (Y/N)?')
c.sendline('N')
c.expect('WHAT IS THE DATA FILE NAME ?')
c.sendline(file_in)
c.expect('WHAT IS THE PROBLEM TITLE?')
c.sendline('-5')
c.expect('HOW MANY VARIABLES DO YOU HAVE?')
c.sendline('1')
c.expect('VARIABLE    1 IS NAMED')
c.sendline('L')
c.sendline('Y')
c.expect('THE DIFFERENTIAL FORM (Y/N)?')
c.sendline('N')
#c.expect('DO YOU WANT TO PRINT THE ORIGINAL DATA (Y/N) ?')
c.sendline('N')
c.expect('DO YOU WANT TO SAVE THE RESULTS IN A FILE (Y/N)?')
c.sendline('Y')
c.expect('HAT IS THE NAME OF THE FILE?')
c.sendline(file_out)
c.sendline('N')
c.close()