this post was submitted on 24 Mar 2024
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[–] [email protected] 49 points 7 months ago (9 children)
fuck() {
    sudo $(fc -ln -1)
} 

This function takes the last command and puts sudo in front of it. Actually used it in a zoom call at work without thinking and it took a second to realize why everyone was laughing. Not my invention--came across it years ago on stackoverflow or someplace and thought it was funny/useful.

kmirl@tux:~$ ls /root
ls: cannot open directory '/root': Permission denied
kmirl@tux:~$ fuck
[sudo] password for kmirl: 
bin  debs  docs  Mail 
[–] [email protected] 18 points 7 months ago (6 children)

Isn't this the same effect as just running 'sudo !!' ?

[–] [email protected] 13 points 7 months ago (3 children)

According to this super user question, someone said that !! won’t work in a function, so you must use the fc -ln -1 command in a subshell instead. Note the response that says eval shouldn’t be used (not sure why)

[–] [email protected] 8 points 7 months ago (1 children)

Yeah but instead of a function you just make it an alias.

[–] [email protected] 1 points 7 months ago

Oh good point, I didn’t think about that

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