我在我的 mac 上运行了以下 xargs 命令
echo replace | xargs -n 1 -I {} echo "asdf asdf adf asdf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf adf asdf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf{} asd"
它给出的输出如下，而不是打印整个字符串
asdf asdf adf asdf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf adf
我在 Linux 机器上尝试过同样的操作，得到了预期的输出。你能告诉我如何在 mac 上实现这个功能吗？
asdf asdf adf asdf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf adf asdf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdf asdf asdf asdf adf asdfreplace asd
答案1
从xargs(1)手册页
-I replstr
Execute utility for each input line, replacing one or more
occurrences of replstr in up to replacements (or 5 if no -R
flag is specified) arguments to utility with the entire
line of input. The resulting arguments, after replacement
is done, will not be allowed to grow beyond 255 bytes;
然后如果我们计算你的命令生成的字符
$ wc -c out
255 out
所以你遇到了记录的限制。解决方法是不这样做（到底需要什么这么长的争论？）或者安装一些 Linux 版本xargs并调用它。