36 lines
1.3 KiB
Java
36 lines
1.3 KiB
Java
Working with Temporary files
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import java.io.*;
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//Work with temporary files in Java.
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public class TempFiles {
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public static void main(String[] argv) throws IOException {
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// 1. Make an existing file temporary
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// Construct a File object for the backup created by editing
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// this source file. The file probably already exists.
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// My editor creates backups by putting ' at the end of the name.
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File bkup = new File("Rename.java'");
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// Arrange to have it deleted when the program ends.
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bkup.deleteOnExit();
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// 2. Create a new temporary file.
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// Make a file object for foo.tmp, in the default temp directory
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File tmp = File.createTempFile("foo", "tmp");
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// Report on the filename that it made up for us.
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System.out.println("Your temp file is " + tmp.getCanonicalPath());
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// Arrange for it to be deleted at exit.
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tmp.deleteOnExit();
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// Now do something with the temporary file, without having to
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// worry about deleting it later.
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writeDataInTemp(tmp.getCanonicalPath());
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}
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public static void writeDataInTemp(String tempnam) {
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// This version is dummy. Use your imagination.
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}
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}
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