tFileProperties Properties - 6.3

Talend Open Studio for Big Data Components Reference Guide

EnrichVersion
6.3
EnrichProdName
Talend Open Studio for Big Data
task
Data Governance
Data Quality and Preparation
Design and Development
EnrichPlatform
Talend Studio

Component family

File/Management

 

Basic settings

Schema and Edit schema

A schema is a row description, it defines the fields to be processed and passed on to the next component.

The schema of this component is read-only. It describes the main properties of the specified file. You can click the [...] button next to Edit schema to view the predefined schema which contains the following fields:

  • abs_path: the absolute path of the file.

  • dirname: the directory of the file.

  • basename: the name of the file.

  • mode_string: the access mode of the file, r and w for read and write permissions respectively.

  • size: the file size in bytes.

  • mtime: the timestamp indicating when the file was last modified, in milliseconds that have elapsed since the Unix epoch (00:00:00 UTC, Jan 1, 1970).

  • mtime_string: the date and time the file was last modified.

 

File

Name or path to the file to be processed and/or the variable to be used.

For further information about how to define and use a variable in a Job, see Talend Studio User Guide.

 

Calculate MD5 Hash

Select this check box to check the MD5 of the downloaded file.

Advanced settings

tStatCatcher Statistics

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

Usage

This component can be used as standalone component.

Connections

Outgoing links (from this component to another):

Row: Main; Iterate.

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

Incoming links (from one component to this one):

Row: 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.

Limitation

n/a