Linux Bash – How to change all filenames to uppercase leaving the file extension unchanged

use this simple code in bash shell. The following code will change all xxx.jpg files to XXX.jpg in any particular working directory.

for i in *.jpg; do 
ext=${i##*.}; 
name=$(basename "$i" ".$ext" | tr '[a-z]' '[A-Z]').$ext; 
if [ "$i" != "$name" ] 
then 
mv $i $name;
fi
done;

How to unlike all Facebook pages from your profile and Clean your newsfeed

Hello humans, I have tried to keep this tutorial simple and detailed. Please proceed with caution.

The following tutorial and the procedure will unlike pages you have liked from your profile, Please be clear about that the fact that the code provided here is clean and does not intend to do any harm to your Facebook account.

Note – This code uses jQuery library in its original form. So you do not need to be scared while using this “scary” looking code.

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