如何在Intellij IDEA参数中使用通配符 [英] how to use Wildcard in Intellij IDEA arguments

问题描述

我在运行配置中使用try add参数.

I use try add arguments in run configuration.

我添加 master顺序pg-*.txt .但是当我开始跑步时.错误出来了.

I add master sequential pg-*.txt. But when I start running. the error come out.

/usr/local/go/bin/go run /home/asus/dev/6.824/src/main/wc.go master sequential pg-*.txt
master: Starting Map/Reduce task wcseq
panic: open pg-*.txt: no such file or directory

但是我在终端中使用的命令还可以.

But I use the command in terminal is OK.

~/dev/6.824/src/main$ /usr/local/go/bin/go run /home/asus/dev/6.824/src/main/wc.go master sequential pg-*.txt
master: Starting Map/Reduce task wcseq
Merge: read mrtmp.wcseq-res-0
Merge: read mrtmp.wcseq-res-1
Merge: read mrtmp.wcseq-res-2
master: Map/Reduce task completed

我认为问题是通配符.那么如何在Intellij IDEA参数中使用通配符?

I think the problem is the Wildcard.So how to use Wildcard in Intellij IDEA arguments?

推荐答案

字符串 pg-*.txt 被称为

The string pg-*.txt is referred to as a glob pattern. In the latter example you are asking your shell to execute a given command which includes your glob pattern. The shell evaluates the glob pattern as a pre-processing step. The Go program then receives a list of files that have been matched by the pattern.

您将必须更新IntelliJ设置，才能在

You will have to update your IntelliJ settings to run the program within a shell as described in In JetBrains IDEs (e.g. CLion, IntelliJ), external tools cannot use globbing patterns Stack Overflow question. By evaluating the initial go run command within a shell process your program will receive the arguments as expected.

另一种解决方案是将所有参数视为全局模式，并利用 filepath.Glob(模式字符串)(匹配[] string，错误错误) 函数，以在提供的参数上手动扩展.此策略需要对程序进行更多的预处理，但对运行时环境的容忍度更高.您可以在> 转到游乐场示例"中看到这种扩展的示例..

An alternative solution is to treat all your arguments as glob patterns and utilize the filepath.Glob(pattern string) (matches []string, err error) function to manually expand on the provided argument. This strategy requires a little more preprocessing from your program but is more tolerant to the runtime environment. You can see an example of this kind of expansion in this Go Playground Example.

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