From: Arup Rakshit <lists@...>
Date: 2013-01-30T19:28:42+09:00
Subject: (Errno::EINVAL) occurs during the File::rename() execution

Hi I wrote the below code to rename the file names. The logic is during
renaming file new name should be preceded with the Directory name into
which the file resides.

The code is:

current_dir = Dir.pwd
Dir.chdir('C:\Documents and Settings\rakshiar\My
Documents\userdata\Downloaded Files')
current_dir = Dir.pwd

Dir.entries(current_dir)[2..-1].each do |dir|

  puts dir
  puts "-------"
  Dir.entries(dir)[2..-1].each do |d|

  old_file_path = File.realdirpath(d ,dir)
  puts old_file_path
  file_old_name=File.split(File.realdirpath(d ,dir))[1]
  file_loc_dir=File.split(File.realdirpath(d ,dir))[0]
  @dir_string=dir.inspect
  file_new_name=@dir_string.concat(file_old_name)
  file_new_name=file_new_name.tr_s('"','')
  new_file_path = File.realdirpath(file_new_name ,file_loc_dir)
  puts new_file_path
  File.rename(old_file_path, new_file_path)

  end
  puts "-------"
end

Output:
=======

-------
H76191
-------
C:/Documents and Settings/rakshiar/My Documents/userdata/Downloaded
Files/H76191
/Intergrity letter[1][1].pdf
C:/Documents and Settings/rakshiar/My Documents/userdata/Downloaded
Files/H76191
/H76191Intergrity letter[1][1].pdf
C:/Documents and Settings/rakshiar/My Documents/userdata/Downloaded
Files/H76191
/Intergrity letter[1][1].pdf.part
C:/Documents and Settings/rakshiar/My Documents/userdata/Downloaded
Files/H76191
/H76191Intergrity letter[1][1].pdf.part

****************************************************
Error occurs when the execution came into that part
****************************************************

-------
H76954
-------
C:/Documents and Settings/rakshiar/My Documents/userdata/Downloaded
Files/H76954
/Specjalistyczny Gabinet Kardiologiczny Dr hab. med. Ewa
Straburzy?ska-Migaj.pdf

C:/Documents and Settings/rakshiar/My Documents/userdata/Downloaded
Files/H76954
/H76954Specjalistyczny Gabinet Kardiologiczny Dr hab. med. Ewa
Straburzy?ska-Mig
aj.pdf
C:/Documents and Settings/rakshiar/My
Documents/userdata/Ruby/Scripts/FileNamere
naming.rb:20:in `rename': Invalid argument - (C:/Documents and
Settings/rakshiar
/My Documents/userdata/Downloaded Files/H76954/Specjalistyczny Gabinet
Kardiolog
iczny Dr hab. med. Ewa Straburzy?ska-Migaj.pdf, C:/Documents and
Settings/rakshi
ar/My Documents/userdata/Downloaded Files/H76954/H76954Specjalistyczny
Gabinet K
ardiologiczny Dr hab. med. Ewa Straburzy?ska-Migaj.pdf) (Errno::EINVAL)
        from C:/Documents and Settings/rakshiar/My
Documents/userdata/Ruby/Scrip
ts/FileNamerenaming.rb:20:in `block (2 levels) in <main>'
        from C:/Documents and Settings/rakshiar/My
Documents/userdata/Ruby/Scrip
ts/FileNamerenaming.rb:9:in `each'
        from C:/Documents and Settings/rakshiar/My
Documents/userdata/Ruby/Scrip
ts/FileNamerenaming.rb:9:in `block in <main>'
        from C:/Documents and Settings/rakshiar/My
Documents/userdata/Ruby/Scrip
ts/FileNamerenaming.rb:5:in `each'
        from C:/Documents and Settings/rakshiar/My
Documents/userdata/Ruby/Scrip
ts/FileNamerenaming.rb:5:in `<main>'

C:\Documents and Settings\rakshiar\My Documents\userdata\Ruby\Scripts>

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