Python / File splitter.

import os as os
def write_new(outputfn, countfn):
    outputfn1 = outputfn + str(countfn) + ".txt"
    text_file = open(outputfn1, "w")
    return text_file

def main():
    os.system('clear')
    print "<<<Using full name including suffix(.txt etc)>>>\n"
    filename = str(raw_input("What is the input filename? >"))
    limit = str(raw_input('How many lines should I split it to? > '))
    os.system('clear')
    print "<<<Just type a name and I'll save them as .txt files>>>\n"
    outputfn = str(raw_input("What do you want to call the output files?"))
    outputfn1 = outputfn + "0.txt"
    fin = open(filename)
    count, countfn = 1, 0
    text_file = open(outputfn1, "w")
    for line in fin:
        line1 = line.strip()
        if int(count) == int(0):
            try: text_file.close()
            except: pass
            text_file = write_new(outputfn, countfn)
            countfn += 1
        text_file.write(line1)
        text_file.write("\n")
        count += 1
        if count == int(limit): count = 0
    text_file.close()
    os.system('clear')
    print "Your files are in the same folder as this program"

main()