Using Subprocess module to capture file names?

Question

I'm trying to read in a list of account numbers, then have my program do a search in the appropriate directory for each account number. I want to capture the information from this search, to then split out the file name, date, and time as the output from my program. Currently I'm receiving this error: TypeError: bufsize must be an integer

Here is my code:

def app_files(level):
    piv_list_file = raw_input(r"Please enter the full path of the file containing the Pivot ID's you would like to check: ")
    piv_id_list = []
    proc_out_list = []
    input_dir = ''

    try:
        with open(piv_list_file, 'rbU') as infile:
            for line in infile:
                line = line.rstrip('\r\n')
                piv_id_list.append(line)
    except IOError as e:
        print 'Unable to open the account number file: %s' % e.strerror

    if level == 'p':
        input_dir = '[redacted]'
    else:
        input_dir = '[redacted]'    

    subprocess.call('cd', input_dir)
    for i, e in enumerate(piv_id_list):
        proc_out = subprocess.check_output('ls', '-lh', '*CSV*APP*{0}.zip'.format(e))
        proc_out_list.append(proc_out)
        print(proc_out)

In which line are you getting that error?

cdonts
– cdonts

2015-07-31 00:29:34 +00:00
Commented Jul 31, 2015 at 0:29 — cdonts
– cdonts, Commented Jul 31, 2015 at 0:29
what is bufsize set as and where is it referenced?

awbemauler
– awbemauler

2015-07-31 02:21:08 +00:00
Commented Jul 31, 2015 at 2:21 — awbemauler
– awbemauler, Commented Jul 31, 2015 at 2:21

Anand S Kumar · Accepted Answer · 2015-07-31 05:23:01Z

1

Your subprocess.check_output() function call is wrong. You should provide the complete command as a list (as the first argument). Example -

subprocess.check_output(['ls', '-lh', '*CSV*APP*{0}.zip'.format(e)])

Similar issue with subprocess.call in your code .

edited Jul 31, 2015 at 5:23

answered Jul 31, 2015 at 2:11

Anand S Kumar

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