Module linecount

Count the number of lines in an input file matching a regular expression, return the count.

If the input regular expression is set to None, the method returns a count of the number of lines in the input file. The regular expression should be passed in as a string, i.e. "[a-z]_foo.*" etc.

Parameters:

• file - The full path to the input file
• regexpr - The regular expression used for counting matches

Returns: integer

The number of matching lines in the input file

Raises:

• FileNotFoundException - Raised if the input file does not exist