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Write File Variables

This workflow task writes workflow variables to a target file. You can specify which properties should be written using expressions, and also the data format parameters (see File variable strategy). There are two implementations available:

  • Write property file: Writes values to the target file in property file format, that is as <code>key=value</code> (key-value pairs).

    For more information about how target files are parsed, see the Java documentation about the Properties class.

  • Write whole file: Writes single value to the target file.

Properties

Name Type Description

Target File

mandatory

The file the variables are written to.

Encoding

mandatory

Encoding used in the target file. The possible encodings are all encodings supported by the target Java platform. Some commonly used encodings are: ISO-8859-1, ISO-8859-2, and UTF-8.

Data format parameters

optional

Default data format parameters for the correct formatting of data in the source file. For more information, see Data format parameters.

File variable strategy

Name Type Description

Implementation

mandatory

Type of file variable strategy. Write property file or Write whole file.

Variables

Write property file

Example configuration
Write property file
Name Type Description

Name

mandatory

Name of the variable.

Expression

mandatory

Expression provided is evaluated and the result is written to the target file.

Write whole file

Example configuration
Write whole file
Name Type Description

Expression

mandatory

Expression provided is evaluated and the result is written to the target file. To write multiple lines, concatenate lines with line-ending characters, for example:

ewfGetTaskVariable('task-1', 'a') + '\r\n' + ewfGetTaskVariable('task-2', 'b')

The expression used in the example image is:

'a = b : c \'xyz\' \n newline' + ewfGetTaskVariable("readVars", "a") + '\n' + ewfGetTaskVariable("readVars", "b")

Data format parameters

Name Type Description

Array separator

optional

Defines which character is used as the array separator.

Date format local

optional

Defines the locale for parsing non-numerical data (for example, short forms of months in dates, such as Sep 18, 1999). The value is the same as the value of the corresponding locale in Java (see Java locales).

Datetime format

optional

Defines the format that should be used for processing datetime data. The template is based on SimpleDateFormat, which uses the Java convention.

Day format

optional

Defines the format that should be used for processing day data. The template is based on SimpleDateFormat, which uses the Java convention.

Decimal separator

optional

Defines which character is used as the decimal separator. Escaped string property.

False value

optional

String value representing a logical false value in the given data. The comparison is not case sensitive.

Thousand separator

optional

Defines the string that represents the thousands separator (used in numbers). A non-escaped character is expected.

Numbers do not need to contain this separator, but when the separator is present, it is processed (stripped) accordingly. Escaped string property.

Default value: ,.

True value

optional

String value representing a logical true value in the given data. The comparison is not case sensitive.

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