Description
Echoes a message to the current loggers and listeners which
means System.out unless overridden. A level
can be specified, which controls at what logging level the message is
filtered at.
The task can also echo to a file, in which case the option to append rather
than overwrite the file is available, and the level option is
ignored
Parameters
| Attribute |
Description |
Required |
| message |
the message to echo. |
Yes, unless data is included in a
character section within this element. |
| file |
the file to write the message to. |
No |
| append |
Append to an existing file? |
No - default is false. |
| level |
Control the level at which this message is reported.
One of "error", "warning", "info", "verbose", "debug" |
No - default is "warning". |
Examples
<echo message="Hello, world"/>
<echo message="Embed a line break:${line.separator}"/>
<echo>Embed another:${line.separator}</echo>
<echo>This is a longer message stretching over
two lines.
</echo>
<echo>
This is a longer message stretching over
three lines; the first line is a blank
</echo>
As XML parsers are wont to do, the first newline in the text element
has been included in the text.
<echo message="Deleting drive C:" level="debug"/>
A message which only appears in -debug mode.
<echo level="error">
Imminent failure in the antimatter containment facility.
Please withdraw to safe location at least 50km away.
</echo>
A message which appears even in -quiet mode.
<echo file="runner.csh" append="false">#\!/bin/tcsh
java-1.3.1 -mx1024m ${project.entrypoint} $$*
</echo>
Generate a shell script by echoing to a file.
Note the use of a double $ symbol to stop Ant
filtering out the single $ during variable expansion
Source: Apache Ant
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