Omron SYSMAC CJ1W-EIP21 - Manual (Page 336)

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Using FTP Commands Section 11-5
mkdir
Format
mkdir DIRECTORY_NAME
Function
Creates a directory of the specified name at the remote host (Memory Card or
EM File Memory).
An error will occur if a file or directory of the same name already exists in the
working directory.
rmdir
Format
rmdir DIRECTORY_NAME
Function
Deletes the directory of the specified name from the remote host (Memory
Card or EM File Memory).
The directory must be empty to delete it.
An error will occur if the specified directory does not exist or is empty.
pwd
Format
pwd
Function
Displays the remote host’s (Ethernet Unit) current work directory.
cd
Format
cd [directory_name]
Function
Changes the remote host (Ethernet Unit) work directory to the specified
remote directory.
The files in the Memory Card are contained in the MEMCARD directory under
the root directory (/). The files in EM File Memory are contained in the EM
directory under the root directory (/). The root directory (/) is the directory
used when logging into the EtherNet/IP Unit or built-in EtherNet/IP port. No
MEMCARD directory will exist if a Memory Card is not inserted in the PLC or
if the Memory Card power indicator is not lit. No EM directory will exist if EM
File Memory does not exist.
cdup
Format
cdup
Function
Changes the working directory at the remote host to the parent directory (one
directory above the current working directory).