On 14/09/16 11:02, Alan Gauld via Tutor wrote:
> - fileinput lets you process all files in a sub-directory tree.
Duh, no it doesn't. It processes all the files in a list
of filenames. Apologies. Correct usage is demonstrated below...
> But using fileinput makes it slightly simpler,
> the whole thing then reduces to:
>
> import fileinput as fin
> FILE_DIR = "/home/ronw/my_python_journey/names"
> data = {}
> for line in fin.input(os.listdir(FILE_DIR))
> births = int(line.split()[2])
> # year = line.split[???] # is there a year field
> data.setdefault(fin.filename(),0) += births # or use year as key?
>
> print(data)
>
> Which basically processes every file in the directory
> line by line. It extracts the birth figure and converts
> it to an integer. It then inserts/adds it into a
> dictionary(data) based on the filename. At the end
> it prints the dictionary
--
Alan G
Author of the Learn to Program web site
http://www.alan-g.me.uk/
http://www.amazon.com/author/alan_gauld
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