best way to remove file extension [duplicate]

StackOverflow https://stackoverflow.com/questions/20901969

  •  23-09-2022
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Question

What is the shortest way to remove file extension? this is what I have tried:

file = "/home/usr/my_file.xml"
file = File.basename(file)
file.slice! File.extname(file)   #=> my_file
Was it helpful?

Solution

Read the documentation of File::basename :

basename(file_name [, suffix] ) → base_name

Returns the last component of the filename given in file_name, which can be formed using both File::SEPARATOR and File::ALT_SEPARETOR as the separator when File::ALT_SEPARATOR is not nil. If suffix is given and present at the end of file_name, it is removed.

file = "/home/usr/my_file.xml"
File.basename(file,File.extname(file)) # => "my_file"
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