在 bash 中快速搜索命令选项
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Quick search of command options in bash
提问by Sergey Ivanov
I found myself in a situation where I constantly look for parameters of a command in bash. For instance, find -type f -name '*py' -print0. In order to find all of those I need to go through man,info, or --help option which is laborious and time consuming. Is there any way to make this search instant. Ideally, I would love to see something like: find -type --helpstating help on type option of find.
我发现自己经常在 bash 中寻找命令的参数。例如，find -type f -name '*py' -print0。为了找到所有这些，我需要通过 man、info 或 --help 选项，这既费力又费时。有什么办法可以让这个搜索即时进行。理想情况下，我希望看到类似的内容：find -type --help说明有关查找类型选项的帮助。
回答by Blaz Balon
If your man pages open in lessyou can use /to search over it.
如果您的手册页在其中打开，less您可以使用/它进行搜索。
man find
man find
/-type
/-type
n, for next search
n, 下次搜索
Nfor previous search
N以前的搜索
回答by elcash
Here's something I have in my .bashrc
这是我在 .bashrc 中的内容
# man search
mans()
{
if [ $# -ne 2 ]; then
echo "I need 2 args. a man page and a search phrase."
exit 1
else
man -Pless "" | grep -C10 --group-separator="==============================" -- ""
fi
}
mans find typesearches the man page for all occurrences of the phrase "type."
mans find type在手册页中搜索所有出现的短语“type”。
Or:
mans find -type(with the dash) if you know the exact option you're looking for.
或者：（
mans find -type使用破折号）如果您知道您正在寻找的确切选项。
回答by gmoktop
You can put
你可以放
function mangrep { man -P less\ -p\ \"""\" ; }
to your .bashrc. Then mangrep pattern pagewill open the manpage with lessand directly search for pattern, as in Blaz Balons answer. So
到您的.bashrc. 然后mangrep pattern page将打开联机帮助页less并直接搜索模式，如Blaz Balons answer 中所示。所以
mangrep " -print" find
gives you the right spot for the -printoption of find. And you can still use n/Nfor forward and backward searching as well as all other features of less.
为您提供了正确的位置-print的选项find。而且您仍然可以n/N用于向前和向后搜索以及 less 的所有其他功能。
