• 设为首页
  • 点击收藏
  • 手机版
    手机扫一扫访问
    迪恩网络手机版
  • 关注官方公众号
    微信扫一扫关注
    迪恩网络公众号

tanakh/hoe: Haskell One-liner Evaluator

原作者: [db:作者] 来自: 网络 收藏 邀请

开源软件名称(OpenSource Name):

tanakh/hoe

开源软件地址(OpenSource Url):

https://github.com/tanakh/hoe

开源编程语言(OpenSource Language):

Haskell 100.0%

开源软件介绍(OpenSource Introduction):

hoe: Haskell One-liner Evaluator

About

hoe is AWK like text processor, but can use Haskell. It can process text files in various ways depends on types of given scripts.

Usage

To show basic usage, run hoe --help.

hoe Haskell One-liner Evaluator, (c) Hideyuki Tanaka

hoe [OPTIONS] SCRIPT [FILES]

Common flags:
  -i --inplace[=EXT]  Edit files in place (make backup if EXT supplied)
  -m --mod[=ITEM]     Import a module before running the script
  -? --help           Display help message
  -V --version        Print version information
  -v --verbose        Loud verbosity
  -q --quiet          Quiet verbosity
  • Sort lines
$ ls | hoe 'lines >>> sort'
LICENSE
README.md
Setup.hs
cabal.sandbox.config
dist
hoe.cabal
src
template
test
  • Drop lines
ls | hoe 'lines >>> drop 3'
cabal.sandbox.config
dist
hoe.cabal
src
template
test
  • Add "> " to line head.
ls | hoe 'map ("> " ++)'
> LICENSE
> README.md
> Setup.hs
> cabal.sandbox.config
> dist
> hoe.cabal
> src
> template
> test

It also accepts Char -> Char functions.

  • To uppercase
$ ls | hoe 'toUpper'
LICENSE
README.MD
SETUP.HS
CABAL.SANDBOX.CONFIG
DIST
HOE.CABAL
SRC
TEMPLATE
TEST

Of course, it can evaluate simple values.

  • Calculate a integer value
$ hoe '2^100'
1267650600228229401496703205376
  • Make many files
$ hoe 'forM [1..10] $ \i -> writeFile ("file."++show i) ""'



鲜花

握手

雷人

路过

鸡蛋
该文章已有0人参与评论

请发表评论

全部评论

专题导读
热门推荐
阅读排行榜

扫描微信二维码

查看手机版网站

随时了解更新最新资讯

139-2527-9053

在线客服(服务时间 9:00~18:00)

在线QQ客服
地址:深圳市南山区西丽大学城创智工业园
电邮:jeky_zhao#qq.com
移动电话:139-2527-9053

Powered by 互联科技 X3.4© 2001-2213 极客世界.|Sitemap