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Full Discussion: Advise on os.path in python
Homework and Emergencies Homework & Coursework Questions Advise on os.path in python Post 302801453 by maverick_here on Thursday 2nd of May 2013 03:52:30 AM
Old 05-02-2013
Advise on os.path in python
Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted!

1. The problem statement, all variables and given/known data:

I'm writing a python script to give me the number of files and directories in a given directory and I'm having varying results.

I have two scripts which I have written the first one does not work and second one works

I'm using Python 2.4.3 on CentOS 5.9

2. Relevant commands, code, scripts, algorithms:

Code:
#! /usr/bin/python
import os
os.system('clear')

x=raw_input('enter a path ')
print (x)
y=os.listdir(x)
print (y)
k=0
m=0
for a in y:
        if os.path.isfile(a):
                print (a)
                k=k+1
        elif os.path.isdir(a):
                m=m+1
                print (a)


print ('files are %d' % (k))
print ('dirs are %d' % (m))

When I run this I get an output as follows

Code:
[root@#### python]# python os2.py
enter a path /var
/var
files are 0
dirs are 1
[root@##### python]#

3. The attempts at a solution (include all code and scripts):

The following code I have written with few changes works.
Code:
#!/usr/bin/python

import os
os.system('clear')

x=raw_input('enter a path ')
os.chdir(x)  # change made
y=os.listdir('.')
m=0
k=0

for i in y:
        if os.path.isfile(i):
                print i
                m = m + 1
        elif os.path.isdir(i):
                print i
                k = k + 1

print ("%d is the number of files in %s" % (m,x))
print ("%d is the number of directories in %s" % (k,x))

Code:
[root@### python]# python ford.py
enter a path /var
0 is the number of files in /var
25 is the number of directories in /var

4. Complete Name of School (University), City (State), Country, Name of Professor, and Course Number (Link to Course):
Python Programming
Self - learning
Reference The Python Tutorial — Python v2.7.4 documentation

Note: Without school/professor/course information, you will be banned if you post here! You must complete the entire template (not just parts of it).
 

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LEARN ABOUT DEBIAN

pyscript

PYSCRIPT(1)							  [FIXME: manual]						       PYSCRIPT(1)

NOM

       pyscript - Pyscript tool for generating an Encapsulated PostScript (EPS)

SYNOPSIS

       pyscript [--version]

       pyscript file.py [options] [-o output file name file] [-l log file]

DESCRIPTION

       Pyscript allows to write images using the Python programming language. Use pyscript to create an Encapsulated PostScript (EPS) from a
       python program using pyscript objects.

       An source python file name has to be given to the script. By default, pyscript is written its output to foo.eps where foo.py is the file
       name of the python program. this behavior can be change by specifying -o output or --output=output to the script.

       The path of an alternative log file can also be written using the -l file or --logfile=file.

OPTIONS

       --version/-V
	   print version and URL of the project.

       --help/-h
	   print usage information

       --output/-o
	   Output is written to the given file name

       --logfile/-l
	   Write the logfile to the given file name

AUTHORS

       Pyscript was written by Alexei Gilchrist aalexei@users.sourceforge.net and Paul Cochrane paultcochrane at users.sourceforge.net.

       This manual page was written by Arnaud Fontaine arnau@debian.org for the Debian system (but may be used by others). Permission is granted
       to copy, distribute and/or modify this document under the terms of the GNU General Public License, Version 2 any later version published by
       the Free Software Foundation.

       On Debian systems, the complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL.

COPYRIGHT

       Copyright (C) 2006 Arnaud Fontaine

[FIXME: source] 						   may 05, 2006 						       PYSCRIPT(1)
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