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shell脚本echo输出不换行功能增强实例
站长资源 2024/12/27 佚名
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这是第8/101个脚本

There are as many ways to solve this quirky echo problem as there are pages in this book. One of my favorites is very succinct:

function echon
{
 echo "$*" | awk '{ printf "%s" $0 }'
}

You may prefer to avoid the overhead incurred when calling the awk command, however, and if you have a user-level command called printf you can use it instead:

echon()
{
 printf "%s" "$*"
}

But what if you don't have printf and you don't want to call awk"htmlcode"> 

echon()
{
 echo "$*" | tr -d '\n'
}

This method of simply chopping out the carriage return with tr is a simple and efficient solution that should be quite portable.
这个脚本很简单，就是可以用3种不同的函数（方法）来实现，输出后不换行。

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