Ruby - File Last Modified Time

Introduction

To get when a file was last modified, use File.mtime:

Demo

puts File.mtime("main.rb")

Result

The format of the preceding date is specific to Ruby version.

The time is returned as a Time object, so you can get more information directly:

Demo

t = File.mtime("main.rb") 
puts t.hour #  w w w  . ja  v a  2 s.co m
puts t.min 
puts t.sec

Result

Related Topic

• File Open Mode
• File Name
• File Pointer Seeking
• File Exists
• File Size
• File End
• Using file mode
• Renaming and Deleting Files
• Wrap File object into you own class
• Get position Within a File
• Writing to Files
• Creating Temporary Files

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