Name
walk
Synopsis
walk(path,func,arg)
Calls
func
(
arg,dirpath,namelist
)
for each directory in the tree whose root is directory
path, starting with
path itself. In each such call to
func, dirpath
is the path of the directory being visited, and
namelist is the list of
dirpath’s contents as
returned by os.listdir.
func may modify
namelist in-place (e.g., with
del) to avoid visiting certain parts of the tree:
walk further calls func
only for subdirectories remaining in
namelist after
func returns, if any.
arg is provided only for
func’s convenience:
walk just receives arg,
and passes arg back to
func each time walk
calls func. A typical use of
os.path.walk is to print all files and
subdirectories in a tree:
import os
def print_tree(tree_root_dir):
def printall(junk, dirpath, namelist):
for name in namelist:
print os.path.join(dirpath, name)
os.path.walk(tree_root_dir, printall, None)Get Python in a Nutshell now with the O’Reilly learning platform.
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