[Tutor] awk like functionality in python

[Alan Gauld]

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
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