tFileTouch - 6.3

Talend Components Reference Guide

EnrichVersion
6.3
EnrichProdName
Talend Big Data
Talend Big Data Platform
Talend Data Fabric
Talend Data Integration
Talend Data Management Platform
Talend Data Services Platform
Talend ESB
Talend MDM Platform
Talend Open Studio for Big Data
Talend Open Studio for Data Integration
Talend Open Studio for Data Quality
Talend Open Studio for ESB
Talend Open Studio for MDM
Talend Real-Time Big Data Platform
task
Data Governance
Data Quality and Preparation
Design and Development
EnrichPlatform
Talend Studio

Function

tFileTouch either creates an empty file or, if the specified file already exists, updates its date of modification and of last access while keeping the contents unchanged.

Purpose

This component creates an empty file or updates the details of an existing file for further operations, and creates the destination directory if it does not exist.

tFileTouch properties

Component Family

File/Management

 

Basic settings

File Name

Path and name of the file to be created and/or the variable to be used.

 

Create directory if not exists

This check box is selected by default. It creates a directory to hold the output table if it does not exist.

Advanced settings

tStatCatcher Statistics

Select this check box to gather the processing metadata at the Job level as well as at each component level.

Usage

This component can be used as a standalone component.

Connections

Outgoing links (from this component to another):

Row: Main.

Trigger: On Subjob Ok; On Subjob Error; Run if; On Component Ok; On Component Error.

Incoming links (from one component to this one):

Row: Main; Reject; Iterate.

Trigger: Run if; On Subjob Ok; On Subjob Error; On component Ok; On Component Error; Synchronize; Parallelize.

For further information regarding connections, see Talend Studio User Guide.

Global Variables

ERROR_MESSAGE: the error message generated by the component when an error occurs. This is an After variable and it returns a string. This variable functions only if the Die on error check box is cleared, if the component has this check box.

A Flow variable functions during the execution of a component while an After variable functions after the execution of the component.

To fill up a field or expression with a variable, press Ctrl + Space to access the variable list and choose the variable to use from it.

For further information about variables, see Talend Studio User Guide.

Log4j

If you are using a subscription-based version of the Studio, the activity of this component can be logged using the log4j feature. For more information on this feature, see Talend Studio User Guide.

For more information on the log4j logging levels, see the Apache documentation at http://logging.apache.org/log4j/1.2/apidocs/org/apache/log4j/Level.html.

Related scenarios

No scenario is available for the Standard version of this component yet.