bash alias 多引号问题

一句话：

像python那样，在''里面使用'\'abc\''，在bash中不行

 

需要把

\'

换成

'\''

这样问题解决

 

You can make that command into a Bash alias by editing your shell configuration file (typically ~/.bashrc or ~/.bash_aliases).

Here’s the step-by-step procedure:

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1. Open your .bashrc (or .bash_aliases) file

nano ~/.bashrc

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2. Add the alias definition

At the end of the file, add a line like this:

alias qbstat='ps aux | grep qbittorrent | awk '\''{printf "%-7s %-7s %-20s\n", $1, $2, $12}'\'''

Explanation:

• You need to escape single quotes properly because of the nested quoting.

• The '\'' sequence is how you embed a literal ' inside a single-quoted string in Bash.

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3. Reload your shell configuration

source ~/.bashrc

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4. Use your alias

qbstat

It should print output formatted as:

USER    PID     COMMAND
user1   1234    qbittorrent-nox

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⚙️ Optional improvement

If you want to automatically exclude the grep qbittorrent process from showing up, modify the alias like this:

alias qbstat='ps aux | grep qbittorrent | grep -v grep | awk '\''{printf "%-7s %-7s %-20s\n", $1, $2, $12}'\'''

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Would you like me to show you a more robust variant that doesn’t rely on grep (e.g., using pgrep or ps -C qbittorrent)? That’s cleaner and safer for scripting.