Ant conditional if file exists

Find centralized, trusted content and collaborate around the technologies you use most. Connect and share knowledge within a single location that is structured and easy to search. Is there an ANT Task that would execute a block only if a given file exists?

I have the problem that I have a generic ant script that should do some special processing but only if a specific configuration file is present.

Available and Condition. I was about rework the example from the above good answer to this question, and then I found this. As of Ant 1. Other values are still assumed to be property names and so the item is enabled only if the named property is defined. Compared to the older style, this gives you additional flexibility, because you can override the condition from the command line or parent scripts:. Hopefully this example is of use to some. They're not using resourceexists, but presumably you could?

Here is a another quick solution. Here is a variation to perform an action if one or more files exist corresponding to a wildcard filter. That is, you don't know the exact name of the file. You can adjust the filter to your needs. You can do it by ordering to do the operation with a list of files with names equal to the name s you need. It is much easier and direct than to create a special target. And you needn't any additional tools, just pure Ant. See: FileSet.

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What if there's something to clean but it fails on some other error, for example someone has locked a file in the directory for editing? You'd want those errors to be reported. Nice answer. I agree with Carlos. To ignore all kinds of error just to avoid failing, if everything is already clean seams to be a bad idea. Certainly, this is the right way to do it. In the "clean" goal, and adding the "failonerror" flag. Community Bot 1 1 1 silver badge. Rebse Rebse Check out the available task.

Here's a similar question. TuciBeyin TuciBeyin 11 1 1 bronze badge. What version of ANT is this? Version 1. Gangnus Gangnus Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. Please mail your requirement at [email protected] Duration: 1 week to 2 week.

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