49 lines
1.4 KiB
Java
49 lines
1.4 KiB
Java
package de.swingbe.task_periodic;
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import java.io.*;
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import java.nio.charset.StandardCharsets;
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public class LineNoCounter {
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public static void count() {
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System.out.println("count started...");
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File file = null;
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try {
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file = new File("/opt/npm/NetPeerManager.log");
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} catch (NullPointerException e) {
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System.out.println("path name arg is null");
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e.printStackTrace();
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}
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FileInputStream fileInputStream = null;
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try {
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fileInputStream = new FileInputStream(file);
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} catch (FileNotFoundException e) {
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System.out.println("file not found");
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e.printStackTrace();
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}
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InputStreamReader inputStreamReader = null;
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inputStreamReader = new InputStreamReader(fileInputStream, StandardCharsets.ISO_8859_1);
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BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
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String line;
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int lineCount = 0;
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while (true) {
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try {
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if (!((line = bufferedReader.readLine()) != null)) break;
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} catch (IOException e) {
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System.out.println("I/O error occured");
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e.printStackTrace();
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}
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lineCount++;
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}
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System.out.println("lineCount = " + lineCount);
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System.out.println("count done.");
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}
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}
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