telug text file read , replace word , with other. java program
import java.io.*;
import java.text.SimpleDateFormat;
import java.util.*;
public class TeluguFileProcessor {
public static void main(String[] args) {
String inputFilePath = "C:\\Deviprasad\\input\\telugu_input.txt";
String timestamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
String outputFilePath = "C:\\Deviprasad\\output\\telugu_output_" + timestamp + ".txt";
// Telugu word to replace
String teluguWordToRemove = "తెలుగు";
Set<String> uniqueLines = new LinkedHashSet<>();
Map<String, List<Integer>> duplicates = new LinkedHashMap<>();
try (BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(inputFilePath), "UTF-8"));
BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(outputFilePath), "UTF-8"))) {
String line;
int lineNumber = 1;
while ((line = reader.readLine()) != null) {
// Replace Telugu word
String updatedLine = line.replaceAll(teluguWordToRemove, "").trim();
if (!updatedLine.isEmpty()) {
if (!uniqueLines.contains(updatedLine)) {
uniqueLines.add(updatedLine);
} else {
duplicates.computeIfAbsent(updatedLine, k -> new ArrayList<>()).add(lineNumber);
}
}
lineNumber++;
}
// Write unique lines
for (String l : uniqueLines) {
writer.write(l);
writer.newLine();
}
// Print duplicates
if (!duplicates.isEmpty()) {
System.out.println("Duplicate Telugu lines found:");
for (Map.Entry<String, List<Integer>> entry : duplicates.entrySet()) {
System.out.println("Line: \"" + entry.getKey() + "\" repeated at rows " + entry.getValue());
}
} else {
System.out.println("No duplicate Telugu lines found.");
}
System.out.println("Output file created: " + outputFilePath);
} catch (IOException e) {
System.err.println("Error: " + e.getMessage());
}
}
}