Ruby-on-rails 如何计算代码行数？
声明：本页面是StackOverFlow热门问题的中英对照翻译，遵循CC BY-SA 4.0协议，如果您需要使用它，必须同样遵循CC BY-SA许可，注明原文地址和作者信息，同时你必须将它归于原作者（不是我）：StackOverFlow
原文地址: http://stackoverflow.com/questions/3954867/
Warning: these are provided under cc-by-sa 4.0 license. You are free to use/share it, But you must attribute it to the original authors (not me):
StackOverFlow
How to count lines of code?
提问by AnApprentice
I tried rake statsbut that seems highly inaccurate. Perhaps it ignores several directories?
我试过了，rake stats但这似乎非常不准确。也许它忽略了几个目录？
采纳答案by zengr
You can try out these two options:
您可以尝试以下两个选项：
Rakestats snippet from blogpost:
博文中的 Rakestats 片段：
namespace :spec do
desc "Add files that DHH doesn't consider to be 'code' to stats"
task :statsetup do
require 'code_statistics'
class CodeStatistics
alias calculate_statistics_orig calculate_statistics
def calculate_statistics
@pairs.inject({}) do |stats, pair|
if 3 == pair.size
stats[pair.first] = calculate_directory_statistics(pair[1], pair[2]); stats
else
stats[pair.first] = calculate_directory_statistics(pair.last); stats
end
end
end
end
::STATS_DIRECTORIES << ['Views', 'app/views', /\.(rhtml|erb|rb)$/]
::STATS_DIRECTORIES << ['Test Fixtures', 'test/fixtures', /\.yml$/]
::STATS_DIRECTORIES << ['Email Fixtures', 'test/fixtures', /\.txt$/]
# note, I renamed all my rails-generated email fixtures to add .txt
::STATS_DIRECTORIES << ['Static HTML', 'public', /\.html$/]
::STATS_DIRECTORIES << ['Static CSS', 'public', /\.css$/]
# ::STATS_DIRECTORIES << ['Static JS', 'public', /\.js$/]
# prototype is ~5384 LOC all by itself - very hard to filter out
::CodeStatistics::TEST_TYPES << "Test Fixtures"
::CodeStatistics::TEST_TYPES << "Email Fixtures"
end
end
task :stats => "spec:statsetup"
- metric_fu- A Ruby Gem for Easy Metric Report Generation
- metric_fu- 用于轻松生成指标报告的 Ruby Gem
PS: I haven't tried any of the above, but metric_fu sounds interesting, see the screenshots of the output.
PS：我没有尝试过以上任何一种，但是 metric_fu 听起来很有趣，请参阅输出的屏幕截图。
回答by Phrogz
I use the free Perl script cloc. Sample usage:
我使用免费的 Perl 脚本cloc。示例用法：
phrogz$ cloc .
180 text files.
180 unique files.
77 files ignored.
http://cloc.sourceforge.net v 1.56 T=1.0 s (104.0 files/s, 19619.0 lines/s)
-------------------------------------------------------------------------------
Language files blank comment code
-------------------------------------------------------------------------------
Javascript 29 1774 1338 10456
Ruby 61 577 185 4055
CSS 10 118 133 783
HTML 1 13 3 140
DOS Batch 2 6 0 19
Bourne Shell 1 4 0 15
-------------------------------------------------------------------------------
SUM: 104 2492 1659 15468
-------------------------------------------------------------------------------
回答by Amin Ariana
Here's a simple solution. It counts the lines of code in your rails project's app folder - CSS, Ruby, CoffeeScript, and all. At the root of your project, run this command:
这是一个简单的解决方案。它计算 rails 项目的 app 文件夹中的代码行数 - CSS、Ruby、CoffeeScript 等等。在项目的根目录下，运行以下命令：
find ./app -type f | xargs cat | wc -l
EDIT
编辑
Read the comments. Then try this instead:
阅读评论。然后试试这个：
find ./app -type f -name "*.rb" | xargs cat | sed "/^\s*\(#\|$\)/d" | wc -l
回答by user2398029
This one calculates number of files, total lines of code, comments, and average LOC per file. It also excludes files inside directories with "vendor" in their name.
这个计算文件的数量、代码的总行数、注释和每个文件的平均 LOC。它还排除了名称中带有“vendor”的目录中的文件。
Usage:
用法：
count_lines('rb')
Code:
代码：
def count_lines(ext)
o = 0 # Number of files
n = 0 # Number of lines of code
m = 0 # Number of lines of comments
files = Dir.glob('./**/*.' + ext)
files.each do |f|
next if f.index('vendor')
next if FileTest.directory?(f)
o += 1
i = 0
File.new(f).each_line do |line|
if line.strip[0] == '#'
m += 1
next
end
i += 1
end
n += i
end
puts "#{o.to_s} files."
puts "#{n.to_s} lines of code."
puts "#{(n.to_f/o.to_f).round(2)} LOC/file."
puts "#{m.to_s} lines of comments."
end
