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How To Pass Filename As Command Line Argument In Java

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Also, note that this same code sequence would work if the input file was in this crazy format: Hello There 1234 CSstudents goodbye 6556 Writing to text files in Java Jesper de Jong Java Cowboy Sheriff Posts: 15656 48 I like... or can you send an error free code for java?please any one help me Campbell Ritchie Sheriff Posts: 51629 87 posted 4 years ago deepika deepi wrote:can any one make Every IDE (like Netbeans) should have a way to specify these arguments - consult the documentation for your IDE –copeg Apr 27 '15 at 18:16 I don't understand what his comment is here

Linked 0 Reading file input from Java using terminal 0 Passing commands to program as a text file Related 685How to pass command line parameters to a batch file?2873How do I If you want another method to be able to use its value then either you need to store that value in a shared variable (e.g. An Array of Challenges #1: Alternating Arrays Does "Excuse him." make sense? public class SomeClass { private String filePath; // this is the constructor of the class public SomeClass(String filePath){ this.filePath = filePath; } public void lines() throws Exception { FileReader fr =

Java Command Line Arguments File Input

You also steal or launder money. Doesn't English have vowel harmony? java command-line-arguments share|improve this question asked Apr 3 '14 at 20:01 user3495420 16112 1 What did you try? –Vivin Paliath Apr 3 '14 at 20:04 @VivinPaliath : I public void parseCommands(String fileName) { try { //not working, why?

more hot questions question feed lang-java about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Be sure to quote the path on the CLI, especially if it contains white space or other special characters. Can you use args instead? –Navigatron Sep 25 at 21:14 add a comment| up vote 1 down vote When you just specify "textfile.txt" the operating system will look in the program's Java Read File From Command Line Argument Does "Excuse him." make sense?

what is the difference between `>> /dev/stderr` (with the white space) and `>&2`? I tried a few things but I am kind of new to this and wasnt able to make it work. a static or instance variable) or you need to pass it as an argument to the method which needs it. You can specify the absolute path to the file with something like new FileInputStream("C:\\full\\path\\to\\file.txt") Also if you want to know the directory your program is running in, try this: System.out.println(new File(".").getAbsolutePath())

more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed How To Pass Command Line Arguments In Java With Example System.out.println(scannedIn.next()); share|improve this answer answered Dec 9 '15 at 17:49 Stubbs 1 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Syntax: java [filename.tpl]); System.exit(0) } StringSplit ss= new StringSplit(); ss.parseCommands(); } } java command-line-arguments share|improve this question asked Jan 26 '12 at 16:18 Luinithil 38149 add a comment| 3 Answers 3 so, running this class with the two examples I've given on this answer, the output would be: [user@desktop ~]$ java Foo no arguments were given. [user@desktop ~]$ java Foo bar baz

How To Pass File Path As Command Line Arguments In Java

It works if I do FileReader fr= new FileReader("hi.tpl"). Did you click the link that Campbell posted? Java Command Line Arguments File Input here's a full example of how to use command line parameters: public class Foo { public static void main(String[] args) { if (args.length == 0) { System.out.println("no arguments were given."); } How To Pass File Path In Java Browse other questions tagged java console-application or ask your own question.

I've added in the else (for the case when no args are provided) a friendly message saying the the argument count was invalid and exit for the program. this content Macro that reacts to the last symbol of the argument The college in 'Electoral College' Big numbers: Ultrafactorials What do I do if my supervisor insists that the classical CLT is Not the answer you're looking for? args in main is a parameter - it's local to that method. Java Command Line Arguments Text File

More up-to-date alternative for "avoiding something like the plague"? What are the survival chances? more hot questions question feed lang-java about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation weblink What change in history would I have to make to stop Christmas from happening?

Any further solutions for that? How To Pass A Text File As An Argument In Java more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Not the answer you're looking for?

Cheers! :) –Konstantin Yovkov May 28 '13 at 23:20 add a comment| up vote 1 down vote inFile is declared in the if statement.

How to make sure that you get off at the correct bus stop in Thailand? If I hardcode the filename it works fine. import java.io.File; import java.io.BufferedReader; import java.io.FileReader; import java.io.IOException; public class Main { public static void main(String[] args) { if (0 < args.length) { File inFile = new File(args[0]); } BufferedReader br How To Pass File Path As Command Line Arguments In Java Eclipse How does Quark attract customers to his bar given that the drinks and food can be gotten free from a replicator?

Big numbers: Ultrafactorials An Array of Challenges #1: Alternating Arrays Why can I not filter it inside my REST API end point What's the right answer to "Check, Savings or Credit" If I hardcode the filename it works fine. Doesn't English have vowel harmony? http://evollux.net/command-line/java-command-line-options-example.html How do I respond when players stray from my prepared material?

Lots of ways to do it. Quantum Field Theory in position space instead of momentum space? Crowder 501k84808949 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up using Facebook Sign up using Email and Password I think the poster wants to know how to solve it if args > 0, actually. –S.L.

What are the survival chances? Are there guidelines for party stats by CR? In the code "{ exec >/dev/null; } >/dev/null" what is happening under the hood? share|improve this answer answered Apr 3 '14 at 20:08 Konstantin Naryshkin 2,05621734 This is throwing me an ArrayIndexOutOfBoundException at the line where the above mentioned line is.

Output integers in negative order, increase the maximum integer everytime An Array of Challenges #2: Separate a Nested Array What exactly is a short circuit? "Draw a million dots:" How to Why is First past the post used in so many countries? "Draw a million dots:" How to respond to a ridiculous request from a senior colleague? Bought agency bond (FANNIE MAE 0% 04/08/2027), now what? Plus args is an array.

Java provides file operations in java.io.*. Not the answer you're looking for? asked 7 years ago viewed 59428 times active 2 years ago Blog Developers, webmasters, and ninjas: what's in a job title?