Check File/Directory Exists

Operation Name

Function overview

Determine whether a file or directory exists.

Properties

For information about using variables, refer to "variables".

Basic settings

Item name	Required/Optional	Use of Variables	Description	Remarks
Name	Required	Not available	Enter the name on the script canvas.

Required settings

Item name	Required/Optional	Use of Variables	Description	Remarks
Target path	Required	Available	Enter the path to verify the existence of a file or directory. Click [Browse] button to activate the file Selectr and Select the file.	Please specify the absolute path of the DataSpider file system as the file path. Constrained Characters of DataSpider File System cannnot be used, except for the path separator "/"..
Case sensitive	Optional	Not available	Select whether case-sensitive file or directory name of the target path. [Checked]: Case sensitive. [Not Checked]: (default) Not case sensitive.	The target file/directory exists a file system, or running DataSpiderServer behavior depends on the OS. For more information, refer to "About [Case sensitive]".

Comment

Item name	Required/Optional	Use of Variables	Description	Remarks
Comment	Optional	Not available	You can write a short description of this adapter. The description will be reflected in the specifications.

Schema

Input Schema

None.

Output Schema

None.

Mass data processing

Mass data processing is not supported.

PSP Usage

PSP is not supported.

Available Component variables

Variable name	Description	Remarks
success	Whether success or failure of the process is stored.	The value defaults to null. If successful the operation is true, returns false if it fails.
exist	True if it exists, false otherwise.	The value defaults to null. If the specified file or directory exists are true, returns false if it does not exist.
message_category	Stroes the category to which corresponding message code belongs to, when an error occurs.	The value defaults to null.
message_code	Stores its corresponding message code of occured error.	The value defaults to null.
message_level	Stores the severity of the corresponding message code of the occured error.	The value defaults to null.
error_type	Stores the type of the occured error.	The value defaults to null. Error is represented in the format depicted below. Example:java.io.FileNotFoundException The message may vary depending on DataSpider Servista version.
error_message	Stores the error message for the occured error.	The value defaults to null. The message may vary depending on DataSpider Servista version.
error_trace	Stores stack trace of the occurred error.	The value defaults to null. The message may vary depending on DataSpider Servista version or the client application used.

Specification Limits

If the file/directory path specified at the [Target path] ends with space, it is automatically trimmed.
However the file/directory path is not trimmed when the path is in the Database filesystem.

About [Case sensitive]

DataSpider treat file names as case-insensitive under its /(root) directory.(e.g.:tmp).

[Case sensitive] Behavior of the target file / directory exists file system type, or running the OS DataSpiderServer behave differently depending on the following.

File system type	DataSpiderServer running OS	Operation
Database File System	Windows UNIX/Linux	Regardless of your choice, distinguishes the case, including the parent directory.
Local file system local file system extension	Windows	Not Checked is selected, the target file / directory not case sensitive.The case of parent directory, regardless of your choice does not matter.
Local file system local file system extension	UNIX/Linux	Regardless of your choice, distinguishes the case, including the parent directory.

Main exceptions

Exception name	Cause	Solution
InvalidPropertyConfigurationException <Property name> is not specified.	[<Property name>] is not specified.	Specify the [<Property name>].
PathIsNotAbsoluteException	The specified path is a relative path. The path only accepts an absolute path.	Specify an absolute path for the [Target path].