Ruby change file ctime

How can I get the file creation time in Ruby on Windows? Is there a better way than exec'ing it and parsing? Improve this question. Windows stores creation times. Unix systems do not. Mac OS stores it in meta information but Ruby can not access it directly using the File methods. Add a comment. Active Oldest Votes. Improve this answer. It will be updated whenever the file is moved, altered, permissions or owner are altered.

Same as IO stat , but does not follow the last symbolic link. The pathname may not point to the file corresponding to file. For instance, the pathname becomes void when the file has been moved or deleted. Truncates file to at most integer bytes. The file must be opened for writing. Home Core 2. Home Classes Methods. In Files dir. Parent IO. Files grammar. File A File is an abstraction of any file object accessible by the program and is closely associated with class IO.

Returns the birth time for the named file. Returns true if the named file is a block device. Returns true if the named file is a character device. See also Dir::rmdir. Returns true if the named file exists and has a zero size. Return true if the named file exists. Deprecated method. Don't use. Returns true if the named file exists and is a regular file. To match hidden files that start with a. Matches any one character. Examples: File. Returns true if the named files are identical.

Returns the string representation of the path File. Returns true if the named file is a pipe. Returns the name of the file referenced by the given link. The last component of the real pathname can be nonexistent. All components of the pathname must exist when this method is called. Returns true if the named file has the setgid bit set. Returns true if the named file has the setuid bit set.

Returns true if the named file is a socket. Returns a File::Stat object for the named file see File::Stat. Returns true if the named file has the sticky bit set. This method returns the contents of the file line by line. The following code displays the use of the method IO. In this code, the variable arr is an array.

Each line of the file input. Therefore, arr[0] will contain the first line, whereas arr[1] will contain the second line of the file. This method also returns output line by line. The difference between the method foreach and the method readlines is that the method foreach is associated with a block. However, unlike the method readlines , the method foreach does not return an array. This code will pass the contents of the file test line by line to the variable block, and then the output will be displayed on the screen.

You can rename and delete files programmatically with Ruby with the rename and delete methods. Following is the example to change mode of an existing file test. All files are contained within various directories, and Ruby has no problem handling these too. Whereas the File class handles files, directories are handled with the Dir class. To change directory within a Ruby program, use Dir. You can get a list of the files and directories within a specific directory using Dir.

The Dir. Temporary files are those that might be created briefly during a program's execution but aren't a permanent store of information. To make Dir. You can use Dir. Programming Line. Ruby - File Class and Methods Advertisements. Previous Page. Next Page.

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