for region in `aws ec2 describe-regions --output text | cut -f4`
do
     echo -e "\nListing Instances in region:'$region'..."
     aws ec2 describe-instances --query 'Reservations[*].Instances[*].{Instance:InstanceId,Subnet:SubnetId}' --region $region
done
#This script is to be used with any AWS CLI configured environment, it will list any EC2 instances and their associated subnet network ID's in JSON format

# 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
#Makes a directory ./monkeys and puts every single bored bored ape yacht club monkey in there
#Leif Messinger
let OFFSET=0
let BATCHSIZE=50
let LIMIT=100
mkdir monkeys
function parseResults(){
	sed 'y/,/\n/' | sed -e '/storage.opensea/d' -e '/https:\/\/lh3.googleusercontent.com\/Ju9CkWtV-1Okvf45wo8UctR-M9He2PjILP0oOvxE89AyiPPGtrR3gysu1Zgy0hjd2xKIgjJJtWIc0ybj4Vd7wv8t3pxDGHoJBzDB=s120/d' | egrep '"image_url":"(.*)"' | tr -d '\"' | sed 's/image_url://'
}
function downloadMonkeys(){
	while read -r line; do
		name=`echo "$line" | sed 's/https:\/\/lh3.googleusercontent.com\///'`
		wget -q -O "./monkeys/$name.png" "$line" &
	done
}
function queryMonkeys(){
	let progress=($OFFSET*100)/$LIMIT
	echo "Progress: $progress%"
	result=`curl -s --request GET --url "https://api.opensea.io/api/v1/assets?order_direction=desc&offset=$OFFSET&limit=$BATCHSIZE&collection=boredapeyachtclub"`
	if [[ "$result" =~ "Request was throttled" ]] || [ "$result" == "" ]; then
		#Retry download
		sleep 10
	else
		#Download Monkeys
		echo "$result" | parseResults | downloadMonkeys
		let OFFSET+=$BATCHSIZE
	fi
	#If not out of bounds, recurse
	if [ "$OFFSET" -lt "$LIMIT" ] || [[ "$result" =~ '"assets":[]' ]]; then
		queryMonkeys
	fi
}
echo "Downloading your monkeys into ./monkeys asynchronously."
queryMonkeys

#!/bin/bash

# Recursively find all .svelte files in the current directory and its subdirectories
find . -type f -name "*.svelte" -o -name "*.html" -o -name "*.htm" | while read file; do
        # Replace all h1 tags with the specified format
        sed -i 's/<h1>\(.*\)<\/h1>/<h1 id="\1">\1<\/h1>/g' "$file"
        # Replace all h2 tags with the specified format
        sed -i 's/<h2>\(.*\)<\/h2>/<h2 id="\1">\1<\/h2>/g' "$file"
        # Remove whitespace from the id attribute value
        for i in {0..10} ; do
                sed -i 's/\(id="[^"]*\)\W\([^"]*"\)/\1\2/g' "$file"
        done
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
#Originally made by Isaac Cook https://gist.github.com/icook/5400173
#Modified by Leif Messinger
#upload_key.sh [server_ip [server2_ip [...]]]
#To be run locally on a linux computer

if [ -e ~/.ssh/id_rsa.pub ];
then
    echo "SSH Key already exists on local machine"
else
    echo "Generating SSH key on local machine"
    ssh-keygen -t rsa   #generates id_rsa and id_rsa.pub
    chmod -R 700 ~/.ssh #Sets permissions of ssh folder
    ssh-add     #Adds keys (and passwords?) to ssh_agent. (hopefully doesn't require password)
fi

echo "Loading client public key into memory"
pubKey=$(<~/.ssh/id_rsa.pub)

for server
do
    echo "Adding client public key to $server remote server authorized keys"
    #Idiot Isaac Cook didn't know about ssh-copy-id
    #ssh-copy-id even checks if your key already exists
    #In fairness, I didn't either until researching ssh-add
    ssh-copy-id -i ~/.ssh/id_rsa.pub $server        #In theory, this should prompt for a username

    #ssh $server "mkdir -p ~/.ssh;  #Make the folder if not already made
    #       echo \"$pubKey\" >> ~/.ssh/authorized_keys;     #Append your public key to the server's authorized_keys
    #       chmod 700 ~/.ssh && chmod 600 ~/.ssh/authorized_keys"   #Set the correct permissions of those files

    #echo "Adding server public key to local authorized keys"
    #ssh $server "ssh-copy-id -i ~/.ssh/id_rsa.pub \$SSH_CLIENT" #this might need some awk, as $SSH_CLIENT spits out clientip portnumber

    echo "Displaying server public key"
    ssh $server "cat ~/.ssh/id_rsa.pub"

    #Though, he did give me a good idea
    echo "Displaying keys authorized on $server (you can paste them in your authorized_keys file)"
    ssh $server "cat ~/.ssh/authorized_keys"

    #echo "Appending keys authorized on $server to your local authorized_keys"
    #ssh $server "cat ~/.ssh/authorized_keys" >> ~/.ssh/authorized_keys
done
echo "SSH keys schronized successfully!"