Shell中如何像Python一样利用pass关键字什么都不干

需求如下 :

#!/bin/bash
num=1
if [[ $num -eq 1 ]];then
  pass
fi

# python
if num = 1:
    pass
已邀请:

空心菜 - 心向阳光,茁壮成长

1. 利用usleep命令,睡一微秒
num=1
if [[ $num -eq 1 ]];then
usleep
fi

2. 利用冒号:
if command; then :; else ...; fi
参考:
https://unix.stackexchange.com/questions/476206/is-there-something-similar-or-like-pass-in-python-in-bash-shell-programming
https://stackoverflow.com/questions/3224878/what-is-the-purpose-of-the-colon-gnu-bash-builtin
 

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