Java Text File Read Line readLinesWithPattern(File file, Pattern pattern)

Description

read Lines With Pattern

License

Open Source License

Declaration

public static ArrayList<String> readLinesWithPattern(File file, Pattern pattern) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.io.File;
import java.io.FileNotFoundException;
import java.util.ArrayList;
import java.util.Scanner;
import java.util.regex.Pattern;

public class Main {
    public static ArrayList<String> readLinesWithPattern(File file, Pattern pattern) {
        ArrayList<String> strs = new ArrayList<>();
        try {/*from w  ww  . jav a  2 s .c  o  m*/
            Scanner sc = new Scanner(file);
            while (sc.hasNextLine()) {
                Scanner lineSc = new Scanner(sc.nextLine());
                String str = lineSc.findInLine(pattern);
                if (str != null) {
                    strs.add(str.trim());
                }
            }
        } catch (FileNotFoundException ex) {
            // Ignore
        }
        return strs;
    }
}

Related

1. readLinesFileSimple(final File inFile, final int prefixMode, final String prefix)
2. readLinesFromCommand(String command[], List buffer)
3. readLinesNoComments(String fileName)
4. readLinesRaw(final File inFile)
5. readLinesTrimmedNoComment(final String fileName, final String commentString)