Java Utililty Methods Text File Read Line

List of utility methods to do Text File Read Line

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Description

The list of methods to do Text File Read Line are organized into topic(s).

Method

String[]readLines(String text)
read Lines 
return text.split("\\r?\\n");
voidreadLines2Lowcase(String inputFile, ArrayList lines)
read Lines Lowcase 
BufferedReader reader = null;
try {
    reader = new BufferedReader(new FileReader(new File(inputFile)));
    String line = null;
    while ((line = reader.readLine()) != null) {
        lines.add(line.toLowerCase());
} catch (FileNotFoundException e) {
...
ArrayListreadLinesAsList(String filename)
read Lines As List 
FileReader fileReader = new FileReader(filename);
BufferedReader bufferedReader = new BufferedReader(fileReader);
ArrayList<String> lines = new ArrayList<String>();
String line = null;
while ((line = bufferedReader.readLine()) != null) {
    lines.add(line);
bufferedReader.close();
...
StringreadLinesFileSimple(final File inFile, final int prefixMode, final String prefix)
Implementation Routine readLinesFileSimple. 
try {
    return readLinesFile(inFile, prefixMode, prefix);
} catch (IOException e) {
    e.printStackTrace();
return "";
intreadLinesFromCommand(String command[], List buffer)
read Lines From Command 
if (command == null || buffer == null) {
    return -2;
Process cmdProc = null;
try {
    cmdProc = Runtime.getRuntime().exec(command);
} catch (IOException e) {
    System.out.printf("`%s` failed\n", Arrays.toString(command));
...
ListreadLinesNoComments(String fileName)
read Lines No Comments 
return readLinesNoComments(fileName, null);
StringreadLinesRaw(final File inFile)
Count the number of lines in the buffer. 
final StringBuffer resultBuffer = new StringBuffer(128);
final FileInputStream stream = new FileInputStream(inFile);
final BufferedReader reader = new BufferedReader(new InputStreamReader(stream));
try {
    String data = "";
    int lineNumber = 1;
    do {
        data = reader.readLine();
...
String[]readLinesTrimmedNoComment(final String fileName, final String commentString)
read Lines Trimmed No Comment 
File wtsFile = new File(fileName);
if (!wtsFile.isFile())
    throw new FileNotFoundException("Cannot find file for reading: " + fileName);
FileInputStream fin = null;
BufferedReader in = null;
try {
    fin = new FileInputStream(wtsFile);
    in = new BufferedReader(new InputStreamReader(fin));
...
ArrayListreadLinesWithPattern(File file, Pattern pattern)
read Lines With Pattern 
ArrayList<String> strs = new ArrayList<>();
try {
    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());
...