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

#!/bin/bash

# Set the directory to search
DIRECTORY="src"

# Set the output file
OUTPUT_FILE="testids.txt"

# Clear the output file
> "$OUTPUT_FILE"

# Find all .tsx files in the specified directory and its subdirectories
find "$DIRECTORY" -type f -name "*.tsx" | while read -r FILE
do
  # Search for instances of 'data-testid="testid"' and append them to the output file
  grep -o 'data-testid="[^"]*"' "$FILE" >> "$OUTPUT_FILE"
  # Search for instances of "'data-testid': 'testid'" and append them to the output file
  grep -o "'data-testid': '[^']*'" "$FILE" >> "$OUTPUT_FILE"
done

echo "Search complete. Test IDs written to $OUTPUT_FILE."

# 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

// check version
node -v || node --version

// list installed versions of node (via nvm)
nvm ls

// install specific version of node
nvm install 6.9.2

// set default version of node
nvm alias default 6.9.2

// switch version of node
nvm use 6.9.1

# Run "test" script on all packages
npm run test --workspaces

# Tip - this also works:
npm run test  -ws

----------------------------------------------------

# Runs "test" only on package-a
npm run test --workspace package-a

# Tip - this also works:
npm run test -w package-a

----------------------------------------------------

# Install `lodash` on `package-a`
npm install lodash --workspace package-a

# Install `tap` on `package-b` as a dev dependency
npm install tap --workspace package-b --save-dev

# Install `package-a` on `package-b`
npm install package-a --workspace package-b

# Install `eslint` in all packages
npm install eslint --workspaces

#!/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