CkPython

Check if an FTP Listing Entry is a Directory

Demonstrates the Chilkat Ftp2.GetIsDirectory method, which returns whether a cached directory-listing entry is a directory. The only argument is a zero-based index. An invalid index returns false.

Background: Distinguishing directories from files is the first thing most listing code needs — to render a folder tree, to decide whether to recurse, or to apply different handling. This reads the type from the cached listing, so it is a local lookup rather than a server query. Reliability depends on the server's listing format conveying the type, which the common Unix and MLSD formats do.

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import sys
import chilkat

success = False

#  Demonstrates the Ftp2.GetIsDirectory method, which returns whether a cached directory-listing
#  entry is a directory.  The only argument is a zero-based index into the current listing.

ftp = chilkat.CkFtp2()

ftp.put_Hostname("ftp.example.com")
ftp.put_Username("myFtpLogin")

#  Normally you would not hard-code the password in source.  You should instead obtain it
#  from an interactive prompt, environment variable, or a secrets vault.
ftp.put_Password("myPassword")

success = ftp.Connect()
if (success == False):
    print(ftp.lastErrorText())
    sys.exit()

success = ftp.ChangeRemoteDir("public_html")
if (success == False):
    print(ftp.lastErrorText())
    sys.exit()

#  GetDirCount retrieves the directory listing on the first call and returns the number of
#  entries.  A negative return indicates failure.
n = ftp.GetDirCount()
if (n < 0):
    print(ftp.lastErrorText())
    sys.exit()

for i in range(0,n):
    name = ftp.getFilename(i)
    if (ftp.GetIsDirectory(i)):
        print("[DIR]  " + name)
    else:
        print("       " + name)

success = ftp.Disconnect()
if (success == False):
    print(ftp.lastErrorText())
    sys.exit()