Bash-interesting-command-examples: Difference between revisions

From I Will Fear No Evil
Jump to navigation Jump to search
mNo edit summary
mNo edit summary
 
(2 intermediate revisions by the same user not shown)
Line 15: Line 15:
</pre>
</pre>


Continue match until match is found
* This is using awk, and seems quite powerful as a tool
* found this little gem at [https://unix.stackexchange.com/questions/21076/how-to-show-lines-after-each-grep-match-until-other-specific-match Stack Exchange]
<pre>
awk '/Word A/,/Word D/' filename


/From/CONTINUE/Until/
</pre>


 
* Remove non-english directories
 
* change the type to f if you are looking for non-english files
* ALWAYS test find results before deleting, duh!
<pre>
sudo find . -type d -not -name "[a-zA-Z0-9]*" -exec rm -rf {} \;
</pre>






[[Category:Bash]]
[[Category:Bash]]

Latest revision as of 09:35, 27 March 2025

Interesting one-liners

  • Find all drives and ignore loop devices
root@kvm03:/var/log# lsblk | grep -v "loop\|NAME" | grep "^[a-z]\|^[A-Z]" | awk '{print $1}'
sda
sdb
root@kvm03:/var/log# 
root@kvm03:/var/log# lsblk | grep disk | awk '{print $1}'
sda
sdb
root@kvm03:/var/log# 

Continue match until match is found

  • This is using awk, and seems quite powerful as a tool
  • found this little gem at Stack Exchange
awk '/Word A/,/Word D/' filename

/From/CONTINUE/Until/
  • Remove non-english directories
  • change the type to f if you are looking for non-english files
  • ALWAYS test find results before deleting, duh!
sudo find . -type d -not -name "[a-zA-Z0-9]*" -exec rm -rf {} \;