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@Yuiki

Yuiki/rename.rb

Created Dec 23, 2016
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require 'fileutils'
require 'date'
if ARGV.size < 2
STDERR.print "Usage: ruby #{$0} <path> <name>\n"
exit(1)
end
PATH = ARGV[0].gsub(File::ALT_SEPARATOR) {File::SEPARATOR}
NAME = ARGV[1]
DATETIME = DateTime.now.strftime("%Y%m%d%H%M%S")
files = Dir.glob(PATH + "/*")
files.sort! do |a, b|
File.stat(a).ctime.strftime("%Y%m%d%H%M%S") <=> File.stat(b).ctime.strftime("%Y%m%d%H%M%S")
end
files.each.with_index(1) do |filename, index|
dirname = File.dirname(filename)
basename = File.basename(filename)
extname = File.extname(filename)
newfilename = dirname + '/' + NAME + '_' + format("%04d", index.to_s) + '_' + DATETIME + extname
if !File.exists?(newfilename)
File.rename(filename, newfilename)
print "[" + index.to_s + "]" + basename + "->" + NAME + '_' + format("%04d", index.to_s) + '_' + DATETIME + extname + "\n"
else
raise "Exist new file name.\n"
end
end
print "Finish!\n"
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