Java Utililty Methods File Extension Name Extract

List of utility methods to do File Extension Name Extract

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Description

The list of methods to do File Extension Name Extract are organized into topic(s).

Method

StringgetFileExtension(String filename, String extensionSeparator)
Returns the extension of a filename. 
int extindex = filename.lastIndexOf(extensionSeparator);
if (extindex >= 0)
    return filename.substring(extindex + 1);
return "";
StringgetFileExtension(String filePath)
Get the extension of a file. 
return getFileExtension(new File(filePath));
StringgetFileExtensionIgnoringGz(File f)
get File Extension Ignoring Gz 
String name = f.getName().toLowerCase();
if (name.endsWith(".gz")) {
    name = name.substring(0, name.length() - 3);
return getFileExtension(name);