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๐Ÿš€ ๅ‹•ใใƒป้ณดใ‚‹ใƒป่‰ฒใŒใคใ๏ผPythonใงไฝœใ‚‹ใ€Žใƒ†ใƒณใ‚ทใƒงใƒณใŒไธŠใŒใ‚‹ใ€CLIใƒ„ใƒผใƒซๅˆๅฟƒ่€…ใƒ†ใƒณใƒ—ใƒฌใƒผใƒˆ5้ธ

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Last updated at Posted at 2026-08-22

๐ŸŽฏIntroduction

็พๅœจใ€CLIใƒ„ใƒผใƒซใฎไฝœๆˆใ‚’ๅญฆใ‚“ใงใŠใ‚Šใ€ๅŸบ็คŽ็š„ใชใ‚„ใ‚Šๆ–นใฎใ‚‚ใฎใ‚’ใ€่ค‡ๆ•ฐใ€ใƒ†ใƒณใƒ—ใƒฌใƒผใƒˆใจใ—ใฆ็”จๆ„ใ—ใ€ใ“ใ“ใซๅ‚™ๅฟ˜้Œฒใจใ—ใฆๆŽฒ่ผ‰ใ—ใพใ™ใ€‚

ใ„ใšใ‚Œใ€ใ“ใ‚Œใ‚‰ใ‚’ๅŸบใซใ€ใ‚„ใ‚Šๆ–นใ‚’ๆ›ดใซ็™บๅฑ•ใ•ใ›ใŸใ‚‚ใฎใ‚‚ไฝœใฃใฆใ„ใใพใ™ใ€‚

๐Ÿ’ก ๅŸบๆœฌ็š„ใชๅฎŸ่กŒๆ–นๆณ•

ๅฎŸ่กŒใ™ใ‚‹ใจใใฏใ€ไปปๆ„ใฎใƒ‡ใ‚ฃใƒฌใ‚ฏใƒˆใƒชใงใ€ python3 + ใƒ•ใ‚กใ‚คใƒซๅใ‚’ๅ…ฅๅŠ›ใ—ใ€Enterใ‚’ๆŠผใ—ใพใ™ใ€‚

$ cd ./scripts
$ python3 load.py

๐ŸŸฆ 1. ็”ป้ขใซใ‚ขใƒ‹ใƒกใƒผใ‚ทใƒงใƒณใ‚’ๅ‡บใ™ใƒ„ใƒผใƒซ๏ผˆ้”ๆˆๆ„ŸMAX๏ผ‰

ใ‚ฟใƒผใƒŸใƒŠใƒซใง โ€œๅ‹•ใโ€ ใ ใ‘ใงๆฅฝใ—ใ„ใ€‚
ไพ‹๏ผšใƒญใƒผใƒ‡ใ‚ฃใƒณใ‚ฐใ‚ขใƒ‹ใƒกใƒผใ‚ทใƒงใƒณ

load.py
import time
import sys

def main():
    for i in range(20):
        sys.stdout.write("\rLoading" + "." * (i % 4))
        sys.stdout.flush()
        time.sleep(0.2)
    print("\nDone!")

if __name__ == "__main__":
    main()

Output:

Loading...
Done!
๐Ÿ‘‰ ใ€Œๅ‹•ใ„ใŸ๏ผใ€ใฃใฆๅˆ†ใ‹ใ‚‹ใ‹ใ‚‰ๆฐ—ๆŒใกใ„ใ„

๐ŸŸง 2. ้Ÿณใ‚’้ณดใ‚‰ใ™ใƒ„ใƒผใƒซ๏ผˆๅˆ†ใ‹ใ‚Šใ‚„ใ™ใ•ๆœ€ๅผท๏ผ‰

Mac ใชใ‚‰ say ใ‚ณใƒžใƒณใƒ‰ใ‚’ไฝฟใˆใฐ็ฐกๅ˜ใ€‚

sound.py
import os

def main():
    os.system('say "Hello R! I love your Katsudon!"')
    os.system('say "Can I eat your Katsudon? "')
    os.system('say "I want to try your Katsudon!"')

if __name__ == "__main__":
    main()

ๅฎŸ่กŒใ™ใ‚‹ใจ Mac ใŒใ—ใ‚ƒในใ‚‹ใ€‚

๐Ÿ‘‰ ใ€Œๅ‹•ใ„ใŸ๏ผใ€ใŒไธ€็žฌใงๅˆ†ใ‹ใ‚‹

๐ŸŸฉ 3. ใƒ•ใ‚กใ‚คใƒซใ‚’็”Ÿๆˆใ™ใ‚‹ใƒ„ใƒผใƒซ๏ผˆๆˆๆžœ็‰ฉใŒๆฎ‹ใ‚‹๏ผ‰

ไพ‹๏ผšใƒกใƒขๅธณใ‚’่‡ชๅ‹•็”Ÿๆˆใ™ใ‚‹ใƒ„ใƒผใƒซ

createFile.py
def main():
    with open("result.txt", "w") as f:
        f.write("This tool worked!")
    print("Created result.txt")

if __name__ == "__main__":
    main()

Output:

Created result.txt
๐Ÿ‘‰ ๆˆๆžœ็‰ฉใŒๆฎ‹ใ‚‹ใ‹ใ‚‰้”ๆˆๆ„ŸใŒใ‚ใ‚‹

๐ŸŸจ 4. ่‰ฒไป˜ใใƒญใ‚ฐใ‚’ๅ‡บใ™ใƒ„ใƒผใƒซ๏ผˆ่ฆ–่ฆš็š„ใซๅˆ†ใ‹ใ‚Šใ‚„ใ™ใ„๏ผ‰

ANSIใ‚ซใƒฉใƒผใ‚’ไฝฟใ†ใ ใ‘ใงๆดพๆ‰‹ใซใชใ‚‹ใ€‚

colorLog.py
def main():
    print("\033[92mSUCCESS!\033[0m")
    print("\033[91mERROR!\033[0m")
    print("\033[93mWARNING!\033[0m")

if __name__ == "__main__":
    main()

Output:

๐ŸŸข SUCCESS!
๐Ÿ”ด ERROR!
๐ŸŸก WARNING!
๐Ÿ‘‰ ใ‚ฟใƒผใƒŸใƒŠใƒซใŒใ‚ซใƒฉใƒ•ใƒซใซใชใฃใฆๆฅฝใ—ใ„

๐ŸŸฅ 5. ้€ฒๆ—ใƒใƒผใ‚’ๅ‡บใ™ใƒ„ใƒผใƒซ๏ผˆใƒ—ใƒญใฃใฝใ„๏ผ‰

progressBar.py
import time 

def main():
    for i in range(101):
        print(f"\rProgress: {i}%", end="")
        time.sleep(0.05)
    print("\nDone!")

if __name__ == "__main__":
    main()

Output:

Progress: 100%
Done!
๐Ÿ‘‰ ใ€Œไฝ•ใ‹ใ—ใฆใ‚‹ๆ„Ÿใ€ใŒๅผทใ„

๐ŸŽฏConclusion

โ€œๅˆ†ใ‹ใ‚Šใ‚„ใ™ใ„ใƒ„ใƒผใƒซโ€ ใ‚’ไฝœใ‚‹ใชใ‚‰
ใ‚ขใƒ‹ใƒกใƒผใ‚ทใƒงใƒณใƒป้Ÿณใƒป่‰ฒใƒปใƒ•ใ‚กใ‚คใƒซ็”Ÿๆˆใƒป้€ฒๆ—ใƒใƒผ
ใ“ใฎใฉใ‚Œใ‹ใ‚’ๅ…ฅใ‚Œใ‚‹ใจไธ€ๆฐ—ใซๆฅฝใ—ใใชใ‚‹ใ€‚

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