Get total lines of files

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This is one small tools to get the total file line number of on folder.

POST_FIX = %w{java jsp html xml properties}
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EXCLUDE_DIR = %w{CVS}
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$displayStr = ""
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$fileReg = ""
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$dirReg = "\\.|\\.\\.|"
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def sumLine(fileName)
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file = open fileName
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begin
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while file.gets()
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end
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ensure
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file.close
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end
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$.
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end
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def iteDir(name, level=0)
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lines = 0
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dir = Dir.open name
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rex = /\. + "java" +$|\.jsp$|\.html$/
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begin
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dir.each do |fileName|
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fileName = dir.path + '/' + fileName
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if File.ftype(fileName) =~ /directory/
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if not fileName =~ Regexp.new($dirReg)
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lines += iteDir(fileName, level+1)
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else
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next
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end
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elsif fileName =~ Regexp.new($fileReg)
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lines += sumLine(fileName)
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end
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end
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ensure
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dir.close
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end
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str = ""
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for i in 0..(level-1)
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str += "\t|"
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end
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if level != 0
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str += "---"
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end
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$displayStr = "#{str}#{name}\t#{lines} lines\n#{$displayStr}"
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lines
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end
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POST_FIX.each do |postfix|
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$fileReg += "\.#{postfix}$|"
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end
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$fileReg = $fileReg.chop
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EXCLUDE_DIR.each do |excludeDir|
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$dirReg += "^#{excludeDir}$|"
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end
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$dirReg = $dirReg.chop
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print "Total #{iteDir("E:/_MyWorkSpace/IDEA_Proj")} lines\n"
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print $displayStr

Keystone:
   1. Ruby I/O access. Dir and File
   2. Regexp & String -> Regexp
   3. Some kinds of variables
   4. Array operation

Technorati Tags: Ruby

posted on 2005-06-18 12:24 Blake HAN 阅读(1246) 评论(2) 编辑收藏所属分类: ROR

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# re: Get total lines of files 回复 更多评论

reinventing the wheel:
+ require 'find'
+ IO.readlines(path).size

inefficient:
+ append to arrays, not strings ( a = []; a << ...; a.join )
+ don't create a million regexp objects in a tight loop when one will do ($fileReg = /#{...}/; fileName =~ $fileReg)

-- zenspider

2005-07-23 11:48 | zenspider

# re: Get total lines of files 回复 更多评论

Thank you Zenspider! Thanks for your good suggestion! I'm a Ruby newbie, I think I can learn much from you!

2005-07-24 00:13 | blake

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