Split tsv tabseparatedvalues each line has the values

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Unformatted text preview: le try: infile = open(file1, ”r”) outfile = open(file2, ”w”) count = 0 for line in infile: count = count + 1 outfile.write(line) print(“number of lines ”, count) infile.close() outfile.close() except: print(“Error in code”) CMPUT174  ­ ­ References & Files 12 4 13 ­10 ­21 Errors in reading/wri9ng files • Files exist outside of your Python program, and so it is hard to control what happens to them • It is a good idea to use try/except when working with files • For example: open(”a_file", "r")
 Traceback (most recent call last):
 File "<string>", line 1, in <fragment>
 builtins.IOError: [Errno 2] No such file or directory: 'a_file'" 13 CMPUT174  ­ ­ References & Files Accessing Files • Always wrap the instrucWons with try/except • Always close the file when you are done • Always check for empty lines (or comment lines) in your program • Get used to some common text formats:   “CSV” (comma ­separated ­values): each line has the values separated by “,”: use line.split(“,”)   “TSV” (t...
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This document was uploaded on 03/02/2014.

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