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delete your comments

写了一个删除注释的python脚本，能够通过正则匹配：
文档注释：/** */
区块注释：/* */
单行注释：//
注：无法识别字符串内的注释

dyc_raw.py

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__author__ = 'xana'
import re, sys
def rename(old, str='dyc'):
    new = old.split('.')
    return new[0]+'_'+str+'.'+new[1]
def success(str):
    str = re.sub(r'//[\s\S]*?\n', '\n', str) # //(.*)
    str = re.sub(r'/\*{1,2}[\s\S]*?\*/', '', str)
    return str
def failed():
    pass
with open(sys.argv[1], 'r') as fi:
    with open(rename(sys.argv[1]), 'w') as fo:
        fo.write(success(fi.read()))

在命令行移动到目标文件路径下后

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.
├── a
│   └── a.js
├── dyc.py
├── fuck.txt
└── test.js

执行python dyc.py fuck.txt

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.
├── a
│   └── a.js
├── dyc.py
├── fuck.txt
├── fuck_dyc.txt
└── test.js

即可生成所需的dyc文件

附带烧脑的测试代码·真：
test.js

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/**
 * this is a document comment
 * Created by xana on 15/10/26.
 */
function test(e){
    // this is a line comment
    /*
        // this is an area comment
    */
    var str = 'please//don\'t/*delete', str2 = 'me"in*/your//test'; // ouch!"
    return e;
}

test_out.js

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function test(e){
    var str = 'please//don\'t/*delete', str2 = 'me"in*/your//test';
    return e;
}