Ant script if file exists

That lets you iterate through the filenames to check if they exists. It also contains propertyregexp which lets you check for special characters in your list of filenames.

Jeanne- Thank you , I have tried with using ant-contrib, but the issue is it does not set any information if the file does not exist , I have used the below approaches Can you please help if i am doing anything wrong Approach 1 In this if a file from the list does not exist in the target location , the condition property is. Approach three is really close. The problem is that by using a fileset, you are limiting yourself to files that exist. Try this minor modification of approach three. How to make an Ant script fail gracefully if a property file doesn't exist.

By Alvin Alexander. Last updated: June 4, An Ant build script for web applications. Debug Ant build problems with echo statements. Ask Question. Asked 12 years ago. Active 5 years, 5 months ago. Viewed 43k times. Benny Benny 1, 2 2 gold badges 16 16 silver badges 34 34 bronze badges. Add a comment. Active Oldest Votes. Dan Dyer Dan Dyer Can this work if I am looping through a task many times? William Leung William Leung 1, 17 17 silver badges 25 25 bronze badges.

William Leung : Welcome to SO. This was an old one, with accepted answer. Ant -0Dfile. Since Ant 1. In new version, it gives us more flexibility and now we can override the condition value from the command line. See an example below. No Arguments : Run it without command line arguments. Just enter ant to the terminal, but first locate to the project's location and it will show the empty output.

Ant -Dfile. With Argument : Now pass argument but true. Now it shows output because if is evaluated. JavaTpoint offers too many high quality services. Mail us on [email protected] , to get more information about given services. Please mail your requirement at [email protected] Duration: 1 week to 2 week.