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This section includes a description of the Multi Directory Collection Strategy that is applied in Image Added  with the Disk, FTP, SFTP, and SCP agents.

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The Multi Directory Collection Strategy enables you to configure a collection agent to collect data from a series of directories that are listed in a control file. The collection agent reads the control file and collects it from the specified directories.

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SettingDescription

Collection Strategy

From the drop-down list select Multi Directory.

Control file Name

Enter the path and the name of the control TXT - file.

Note
titleNote!

If the control file is missing, it is empty or if the file is not readable, the workflow aborts.



Info
titleExample - A Control File


Code Block
languagetext
themeEclipse
controlfile.txt:
directory1
directory1/subdir1
directory1/subdir2
directory2
/home/user/directory3
...



Info
titleExample - A Control File for VMS


Code Block
languagetext
themeEclipse
controlfile_vms.txt:
DISK$USERS:[USERS.USER1.TESTDIR1]
DISK$USERS:[USERS.USER1.TESTDIR2]
DISK$USERS:[USERS.USER1.TESTDIR2.SUBDIR1]
DISK$USERS:[USERS.USER1.TESTDIR3]
DISK$USERS:[USERS.USER1.TESTDIR4]
...



Filename

The regular expression of the names of the source files on the local file system. Regular expressions according to Java syntax appliesapply. For further information, see http://docs.oracle.com/javase/8/docs/api/java/util/regex/Pattern.html.
 


Info
titleExample

To match all filenames beginning with  TTFILES , type:  TTFILES.* .



Note
titleNote!

If you leave  Filename  empty, or if you specify  .* , the agent collects all the files.



Abort on Missing Directory

Select this check box to abort the workflow if a directory, that is specified on the control file list, is missing on the server. Otherwise, the workflow continues to execute (default).

Enable Duplicate Filter

Select this check box to prevent the collection of the same file more than once.

Files are considered to be duplicate duplicates if the absolute filename is the same.

Note
titleNote!

This check box is selected by default.

The workflow holds an internal data structure with information about which files the collector has collected in previous executions. The data structure is purged by the collection strategy based on the contents of the collection directories. If files collected in the past are no longer found in the collection directory they are removed from the data structure.
 


Note
titleNote!

The internal data structure is stored in the workflow state. Since workflow state is only updated when files are collected the purged internal data structure will be stored the next time a successful file collection is performed.

It is possible to manually purge the internal duplicate data structure if needed. To do this, disable the duplicate filter and run the workflow. The next time a duplicate filter is enabled the internal data structure will be empty.

Enable Debug

Select this check box to to enable the generation of error or debug messages.

Note
titleNote!

If you choose to enable messaging, make sure to enable debug debugging on the Workflow Monitor, as well. For further information see 3.1.11 Workflow Monitor.

Since debugging has a negative impact on performance the debug option should never be enabled in a production environment.