"cmdfu" is a function from https://www.commandlinefu.com.

The function is from the site, link is below.

https://www.commandlinefu.com/commands/matching/cmdfu/Y21kZnU=/sort-by-votes

This is the one I am using, put this at the bottom of your .bashrc or .zshrc file.

cmdfu(){ curl "https://www.commandlinefu.com/commands/matching/$@/$(echo -n $@ | openssl base64)/plaintext"; }


Exsamples:

$> cmdfu grep
# commandlinefu.com - questions/comments: danstools00@gmail.com

# Code to check if a module is used in python code
find .  -name "*.ipynb" -exec grep -l "symspellpy" {} \;

# Update all Docker Images
docker images --format "{{.Repository}}:{{.Tag}}" | grep ':latest' | xargs -L1 docker pull

# Find non-ASCII and UTF-8 files in the current directory
find . -type f -regex '.*\.\(cpp\|h\)' -exec file {} + | grep "UTF-8\|extended-ASCII"

# Find out how much ram memory has your video (graphic) card
glxinfo |grep -i -o 'device|memory\|[0-9]\{1,12\} MB'|head -n 1

# Find ASCII files and extract IP addresses
find . -type f -exec grep -Iq . {} \; -exec grep -oE "(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)" {} /dev/null \;

# Find out  how much ram memory has your video (graphic) card
lspci|grep -i "VGA Compatible Controller"|cut -d' ' -f1|xargs lspci -v -s|grep ' prefetchable'

# extract email addresses from some file (or any other pattern)
grep -Eio '([[:alnum:]_.-]{1,64}@[[:alnum:]_.-]{1,252}?\.[[:alpha:].]{2,6})'

# parse and format IP:port currently in listen state without net tools
cat /proc/net/tcp | grep " 0A " | sed 's/^[^:]*: \(..\)\(..\)\(..\)\(..\):\(....\).*/echo $((0x\4)).$((0x\3)).$((0x\2)).$((0x\1)):$((0x\5))/g' | bash

# Find which config-file is read
strace 2>&1  geany |grep geany.conf