#pinger.sh by Leif Messinger
#./pinger.sh [ADDRESS] to search
#./pinger.sh [ADDRESS] & to search in the background
#https://serverfault.com/a/42382
ping_cancelled=false # Keep track of whether the loop was cancelled, or succeeded
until ping -c1 "$1" >/dev/null 2>&1; do :; done & # The "&" backgrounds it
trap "kill $!; ping_cancelled=true" SIGINT
wait $! # Wait for the loop to exit, one way or another
trap - SIGINT # Remove the trap, now we're done with it
if [ "$ping_cancelled" == true ] #https://stackoverflow.com/a/21210966/10141528
then
	printf "The pinger for $1 just closed bro.\n"
else
	printf "$1 IS UP BROOO\a\n"
fi

#!/bin/bash

for branch in $(git branch | cut -c 3-); do
    read -p "Delete local branch $branch? (y/n) " -n 1 -r
    echo ""
    if [[ $REPLY =~ ^[Yy]$ ]]; then
        git branch -D $branch
    fi
done

# Three ways of checking if a file exists in a shell script

FILE=/etc/resolv.conf

if test -f "$FILE"; then
    echo "$FILE exists."
fi

if [ -f "$FILE" ]; then
    echo "$FILE exists."
fi

if [[ -f "$FILE" ]]; then
    echo "$FILE exists."
fi

#!/bin/bash
#getDependencies.sh by Leif Messinger
	grep -Po '#include\s*"\K.+(?=")' | while read -r line ; do
	echo -n " $line"
	./getDependencies.sh < $line
done

name="John"
echo ${name}
echo ${name/J/j}    #=> "john" (substitution)
echo ${name:0:2}    #=> "Jo" (slicing)
echo ${name::2}     #=> "Jo" (slicing)
echo ${name::-1}    #=> "Joh" (slicing)
echo ${name:(-1)}   #=> "n" (slicing from right)
echo ${name:(-2):1} #=> "h" (slicing from right)
echo ${food:-Cake}  #=> $food or "Cake"

#!/bin/bash
#Changes the remote url from https to ssh.
#Only works for github, because I'd have to store a dictionary of every https to ssh url otherwise.
#Made using Bing Chat

# Get the remote URL from the console
REPO_URL=$(git config --get remote.origin.url)

# Check that REPO_URL contains https://github.com
if [[ $REPO_URL == *"https://github.com"* ]]; then

    # Replace https with ssh in the URL  
    REPO_URL=${REPO_URL/https:\/\/github.com\//[email protected]:}

    # Change the remote URL to the SSH version
    git remote set-url origin "$REPO_URL"

else
    echo "Error: REPO_URL does not contain https://github.com" >&2
    exit 1
fi