Python Regex Script sort and print to new document -

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so trying write code scan .txt file bunch of jumble in between ids. want find specific strings, create new line before them, , print new document. currently, code looks this:

from__future__import print_function import re ndoc = raw_input("enter name of new document")".txt" log = open("c:python27\ndoc.txt", 'w') file = raw_input("enter file sorted") xfile = open(file)  line in xfile:     l=line.strip()     n=re.sub("(\b)(?=((mth|eng|scn|hst)[|]))","\n",line)  if len(n) > 0:     nl=split.("\n")     item in nl:         print(item)

when run this, eroor [errno2] no such file or directory: 'xxx' xxx = whatever input variable "file."

i'm not sure cause pretty sure entering files in directory.

also, on side note, code create new file , print open('filename', 'w') line?

you have ".txt" trows error syntaxerror: invalid syntax should use +".txt". same file variable.

>>> ndoc = raw_input("enter name of new document")".txt" syntaxerror: invalid syntax >>> ndoc = raw_input("enter name of new document") + ".txt" enter name of new documentsomefile >>> ndoc 'somefile.txt' >>>

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