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Re:Ruby basics (1 viewing) (1) Guest
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TOPIC: Re:Ruby basics
#4523
ShriNi (User)
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
The IO.foreach Method


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.
 
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#4524
ShriNi (User)
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
Renaming and Deleting Files


We can rename and delete files programmatically with Ruby with the rename and delete methods.
 
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#4525
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
File Modes and Ownership

Use the chmod method with a mask to change the mode or permissions/access list of a file:
 
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
The ftype method identifies the type of the file by returning one of the following: file, directory, characterSpecial, blockSpecial, fifo, link, socket, or unknown.
 
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
Directories in Ruby


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
 
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
Navigating Through Directories

To change directory within a Ruby program, use Dir.chdir as follows.

This example changes the current directory to /usr/bin.

Dir.chdir("/usr/bin"
 
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