[英]How can I use Groovy to execute a shell command that has backticks?
I'm unable to use Groovy to execute a shell command that has backticks. 我无法使用Groovy执行具有反引号的shell命令。 A simplified example:
一个简化的例子:
println "echo `date`".execute().text
I searched around and tried to figure out how to escape them somehow, but without luck. 我四处寻找并试图弄清楚如何以某种方式逃脱它们,但没有运气。
What happens if you try: 如果你尝试会发生什么:
println ["bash", "-c", "echo `date`"].execute().text
My guess would be that with 我的猜测是
"echo `date`".execute()
java's Runtime#exec(String)
would be used underneath, if you were calling execute()
on a String. java的
Runtime#exec(String)
将在下面使用,如果你在String上调用execute()
。 In which case, this simply tokenizes the string and executes the program echo
with the argument 在这种情况下,这只是简单地标记字符串并使用参数执行程序
echo
`date`
or 要么
$(date)
but that's shell (bash) syntax, and must be executed via bash. 但那是shell(bash)语法,必须通过bash执行。
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