I have a python script that runs on three files in the following way align.py *.wav *.txt *.TextGrid However, I have a directory full of files that I want to loop through. The original author suggests creating a shell script to loop through the files. The tricky part about the loop is that I need to match three files at a time with three different extensions for the script to run correctly. Can anyone help me figure out how to create a shell script to loop through a directory of files, match three of them according to name (with three different extensions) and run the python script on each triplet? Thanks!
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1If there will be a wave and txt file for every TextGrid file, then I would just alter the python script to infer the names of those two, and only pass it the *.TextGrid list. Is it feasible for you to change the python script?DSimon– DSimon2011-02-02 21:12:42 +00:00Commented Feb 2, 2011 at 21:12
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Please add some example files and how you'd want them to be processed. Your question doesn't sufficiently describe what you're looking for.chmullig– chmullig2011-02-02 21:15:02 +00:00Commented Feb 2, 2011 at 21:15
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1You don't need shell scripting at all; Python is able to look through directories itself..poke– poke2011-02-02 21:15:13 +00:00Commented Feb 2, 2011 at 21:15
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2 Answers
Assuming you're using bash, here is a one-liner:
for f in *.wav; do align.py $f ${f%\.*}.txt ${f%\.*}.TextGrid; done
Comments
You could use glob.glob to list only the wav files, then construct the subprocess.Popen call like so:
import glob
import os
import subprocess
for wav_name in glob.glob('*.wav'):
basename,ext = os.path.splitext(wav_name)
txt_name=basename+'.txt'
grid_name=basename+'.TextGrid'
proc=subprocess.Popen(['align.py',wav_name,txt_name,grid_name])
proc.communicate()
