simple renaming files program

[blur959]

On Aug 9, 6:01 pm, Chris Rebert <c... at rebertia.com> wrote:
> On Mon, Aug 9, 2010 at 2:44 AM, blur959 <blur... at hotmail.com> wrote:
> > Hi, all, I am working on a simple program that renames files based on
> > the directory the user gives, the names the user searched and the
> > names the user want to replace. However, I encounter some problems.
> > When I try running the script, when it gets to the os.rename part,
> > there will be an error. The error is :
> >  n = os.rename(file, file.replace(s, r))
> > WindowsError: [Error 2] The system cannot find the file specified
>
> > I attached my code below, hope you guys can help me, Thanks!
>
> > import os
> > directory = raw_input("input file directory")
> > s = raw_input("search for name")
> > r = raw_input("replace name")
>
> > for file in os.listdir(directory):
> >    n = os.rename(file, file.replace(s, r))
> >    print n
>
> os.rename() takes paths that are absolute (or possibly relative to the
> cwd), not paths that are relative to some arbitrary directory (as
> returned by os.listdir()).
> Also, never name a variable "file"; it shadows the name of the built-in type.
>
> Hence (untested):
> from os import listdir, rename
> from os.path import isdir, join
> directory = raw_input("input file directory")
> s = raw_input("search for name")
> r = raw_input("replace name")
>
> for filename in listdir(directory):
>     path = join(directory, filename) #paste the directory name on
>     if isdir(path): continue #skip subdirectories (they're not files)
>     newname = filename.replace(s, r)
>     newpath = join(directory, newname)
>     n = rename(path, newpath)
>     print n
>
> Cheers,
> Chris
> --http://blog.rebertia.com



Thanks, they worked!