더 나은 스크립팅, google zx

#!/usr/bin/env zx

await $`cat package.json | grep name`

let branch = await $`git branch --show-current`
await $`dep deploy --branch=${branch}`

await Promise.all([
  $`sleep 1; echo 1`,
  $`sleep 2; echo 2`,
  $`sleep 3; echo 3`,
])

let name = 'foo bar'
await $`mkdir /tmp/${name}`

#!/usr/bin/env -S zx --install

import 'zx/globals';

$.verbose = false

/// chalks
const info = chalk.bold.cyan
const success = chalk.bold.green
const warning = chalk.bold.yellow

const input = await question(info('스크립트를 실행하시겠습니까? (Y/n): '))
if (input !== 'y' && input !== 'Y') {
  echo('스크립트를 종료합니다.')
  process.exit(0)
}

await spinner(info('Loading...'), () => $`sleep 3`)

/// pid min, max 갖고 오기
const { stdout } = await $`ps -ax | awk '{print $1}' | uniq | sort -n | tail -n +2`
const lines = stdout.split('\n').filter(line => line)
const pids = lines.map(line => parseInt(line, 10))

const minPid = Math.min(...pids)
const maxPid = Math.max(...pids)

echo`Min PID: ${minPid}`
echo('Max PID:', maxPid)

/// cd & try catch
try {
  cd('foo_bar')
  echo(success(`폴더가 존재합니다.`))
} catch (p) {
  echo(warning(p))

  const input = await question(info('폴더를 만드시겠습니까? (Y/n): '))
  if (input !== 'y' && input !== 'Y') {
    process.exit(1)
  }

  await $`mkdir foo_bar`
  echo(success('폴더 생성 완료'))
}

#!/bin/bash

read -p "Start this script? (Y/n): " start_script

if [[ $start_script =~ ^[Yy]$ ]]; then
    min_pid=$(ps -ax | awk '{print $1}' | uniq | sort -n | tail -n +2 | head -n 1)
    max_pid=$(ps -ax | awk '{print $1}' | uniq | sort -n | tail -n 1)

    echo "Minimum PID: $min_pid"
    echo "Maximum PID: $max_pid"

    if [ ! -d "foo_bar" ]; then
        echo -e "\e[33mWarning: folder doesn't exist\e[0m"
        read -p "Do you want to create the folder? (Y/n): " create_folder

        if [[ $create_folder =~ ^[Yy]$ ]]; then
            mkdir foo_bar
            echo "Folder created successfully"
        fi
    fi
fi

#!/usr/bin/env -S zx --install

import 'zx/globals';

$.verbose = false

try {
  await $`mkdir pictures`
} catch (p) {
}

cd('pictures')

const will_fail_promise = new Promise((resolve, reject) => {
  sleep(1000)
  reject('TEST_ERROR')
})

await spinner(() => Promise.allSettled([
    $`curl https://picsum.photos/seed/vince/100 -o 1.jpg -L`,
    $`curl https://picsum.photos/seed/vince/200 -o 2.jpg -L`,
    $`curl https://picsum.photos/seed/vince/300 -o 3.jpg -L`,
    will_fail_promise,
  ]).then((results) => {
    // print if failed
    results.forEach((result) => {
      if (result.status === 'rejected') {
        echo(chalk.red.bold(result.reason))
      }
    })
  })
)

#!/bin/bash

# Create the pictures directory if it doesn't exist and change into it
if [ ! -d "pictures" ]; then
    mkdir "pictures"
fi
cd "pictures" || exit

# Define an array of URLs and corresponding output file names
urls=("https://picsum.photos/seed/vince/100" "https://picsum.photos/seed/vince/200" "https://picsum.photos/seed/vince/300")
outputs=("1.jpg" "2.jpg" "3.jpg")

# Download the files in parallel and save the exit codes
exit_codes=()
for i in {0..2}; do
    curl -s "${urls[$i]}" -o "${outputs[$i]}" -L &
    exit_codes+=($?)
done

# Show a spinner while waiting for the downloads to complete
spinner="/-\|"
i=0
while [ "$(ps -ef | grep curl | grep -v grep)" ]; do
    i=$(( (i+1) %4 ))
    printf "\rWaiting for downloads to complete... %s" "${spinner:$i:1}"
    sleep 0.1
done

# Check for any failures using the saved exit codes
exit_code=0
for i in {0..2}; do
    if [ "${exit_codes[$i]}" -ne 0 ]; then
        echo -e "\033[1;31mDownload of ${urls[$i]} failed with error code ${exit_codes[$i]}\033[0m"
        exit_code=1
    fi
done

exit $exit_code