Running a Java program in Eclipse as if from command line

Question

So I've found a few questions similar to mine, but none have specifically addressed the issue I'm having.

My program will be invoked by a command line argument such as:

java Main "inputFile.txt" "inputFile2.txt"

I'm programming in Eclipse and am using the public void main(String[] args) to expect an arg[0] and arg[1]

However when I run in eclipse there is no way for me to enter which files I use. To work around this I added the 2 files I need into my project works-pace. Then in run configuration, I specified those to files as: inputFile.txt inputFile2.txt

So when I run the program now it is simply saying it cannot find inputFile.txt

Basically I'm not sure where the issue is, whether I'm entering the arguments in run configuration wrong, whether I'm placing them in my work-space incorrectly, or whether my code is incorrect.

Have you tried specifying the full path (like "C:\User\Batman\BatDocs\BatText.txt")? — Janis F
– Janis F, Commented Jun 4, 2013 at 15:33
possible duplicate of How to pass console arguments to application in eclipse? — Patrick
– Patrick, Commented Jun 4, 2013 at 15:35
take a look at this question: stackoverflow.com/q/2850674/630384 — DHall
– DHall, Commented Jun 4, 2013 at 15:35

hamid · Accepted Answer · 2013-06-04 15:41:25Z

7

You need to go to: Run Configuration > Argument > Program argument. Then copy and paste

 "inputFile.txt" "inputFile2.txt"

inside the box.

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edited Jun 4, 2013 at 15:41

answered Jun 4, 2013 at 15:35

hamid

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7 Comments

Gasper Gulotta Over a year ago

Yea I did this, yet it still cannot find it. This helps though, I can eliminate that as a possible reason why my code is not working.

Gasper Gulotta Over a year ago

My two text files are located in my src folder with my java files, is this the correct place?

Ernest Friedman-Hill Over a year ago

There's also a place in the run configuration to set the program's working directory -- you'll want to set that to the directory that contains the two files.

Gasper Gulotta Over a year ago

Ah got it! I moved them out of the src folder and into the project folder itself. This helped!

Gasper Gulotta Over a year ago

So now that this runs correctly. If I were to go to the command line and run it with these two text files as arguments it will perform the same way?

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Community · Accepted Answer · 2017-05-23 10:29:11Z

0

"Run Configuration" program arguments are the place to give the arguments, And also, it just like running from a command line.
You can specify a project and then use ${project_path} to locate the file if it is in your eclipse project. Or you can use any other defined variables.

Also take a look on How to pass console arguments to application in eclipse?

Where to put a textfile I want to use in eclipse?

edited May 23, 2017 at 10:29

CommunityBot

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answered Jun 4, 2013 at 15:38

awsome

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