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oldratlee avatar oldratlee commented on June 1, 2024

不要以sh foo-script的方式运行脚本。 @TSlei

详细说明如下

不要自己去指定sh的方式去执行脚本 (这个是坏习惯 😄 ) :

  1. 脚本已经是可执行模式的,在里面指定的是bash,操作更简单些。
    脚本中总是声明上确定的shell(如bash)是好的实践: #!/bin/bash
  2. 不同的shell(sh、bash、zsh、fish、csh、tcsh、ksh、ash、dash……)有各种差异,深坑勿入。
    目前主流的是bash/zsh
    更多shell的信息 参见 https://en.wikipedia.org/wiki/Comparison_of_command_shells
  3. sh可能是个符号链接,可能链接到不同的shell,如有的Ubuntu版本,sh是链接到dash的。

推荐直接执行的方式,如:

wget https://github.com/oldratlee/useful-scripts/raw/master/show-busy-java-threads
chmod +x show-busy-java-threads
./show-busy-java-threads

与 Issue #57 (comment) 重复。

from useful-scripts.

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