bash 的代码格式化程序/美化程序（在命令行中）？
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Code formatter / beautifier for bash (in command line)?
提问by Yauhen Yakimovich
Looking for a command line code formatter that can be used for bashcode. It must be configurable and preferably usable from command line.
寻找可用于bash代码的命令行代码格式化程序。它必须是可配置的，并且最好可以从命令行使用。
I have a big project in bash, which I need to use Q in mind for. So far I am happy with a program written in pythonby Paul Lutus (a remake of his previous version in Ruby).
我在 bash 中有一个大项目，我需要牢记使用 Q。到目前为止，我对Paul Lutus用Python编写的程序感到满意（对他以前用 Ruby编写的版本的重制版）。
See http://arachnoid.com/python/beautify_bash_program.html(also cloned here https://github.com/ewiger/beautify_bash).
请参阅http://arachnoid.com/python/beautify_bash_program.html（也在此处克隆https://github.com/ewiger/beautify_bash）。
but I would like to learn any serious alternative to this tool if it exists. Requirements: it should provide robust enough performance and behavior of treating/parsing rather complicated code.
但我想学习这个工具的任何严肃的替代品，如果它存在的话。要求：它应该提供足够强大的性能和处理/解析相当复杂代码的行为。
PS I believe full parsing of bash code is generally complicated because there exists no official language grammar (but please correct me if I am wrong about it).
PS 我相信 bash 代码的完整解析通常很复杂，因为不存在官方语言语法（但如果我错了，请纠正我）。
采纳答案by drizzt
you can script vim to do: "gg=G" that means "indent all the file"
你可以编写 vim 来做：“gg=G”，意思是“缩进所有文件”
回答by Daniel Martí
You could give shfmta try. It implements its own shell parser including Bash support, so it's more robust than plaintext-based tools.
你可以试试shfmt。它实现了自己的 shell 解析器，包括 Bash 支持，因此它比基于纯文本的工具更健壮。
And both the parser and printer are available as Go packages, so it should be easy to write a 20-line Go program to manipulate or play with shell code.
解析器和打印机都可以作为 Go 包使用，因此编写一个 20 行的 Go 程序来操作或使用 shell 代码应该很容易。
Please note that I'm the author, so the advice may be a bit biased :)
请注意，我是作者，所以建议可能有点偏见:)
回答by bas080
I discovered that the typebuiltin will print functions in a formatted manner.
我发现type内置函数会以格式化的方式打印函数。
#/usr/bin/env bash
source <(cat <(echo 'wrapper() {') - <(echo '}'));
type wrapper | tail -n +4 | head -n -1 | sed 's/^ //g'
