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๐ŸŸก Python/๐Ÿ“šํŒŒ์ด์ฌ for Beginner (2ํŒ)

ch 11 ์—ฐ์Šต๋ฌธ์ œ ํ’€์ด - ํŒŒ์ด์ฌ for Beginner (2ํŒ)

HYEJU01 2024. 4. 8. 02:59

1. ํŒŒ์ผ ์ž…์ถœ๋ ฅ๊ณผ ๊ด€๋ จ๋œ ํ•จ์ˆ˜๋ฅผ ๊ณ ๋ฅด์‹œ์˜ค

read(), readline(), write(),writeline(), readlines() -> "ํŒŒ์ผ" ์ž…์ถœ๋ ฅ ๊ด€๋ จ ํ•จ์ˆ˜

input(), pirnt() ๋Š” "ํ‘œ์ค€" ์ž…์ถœ๋ ฅ ํ•จ์ˆ˜์ด๋‹ค.

 

2. ์ฝ”๋“œ ๋นˆ์นธ์„ ์ฑ„์šฐ์‹œ์˜ค

inFp = fileopen("C:/Temp/data1.txt", "r", encoding="utf-8")
inStr = inFp.readline()
print(inStr,end="")
inFP.close()

 

3. ๋นˆ์นธ์„ ์ฑ„์šฐ์‹œ์˜ค

inFp = open("C:/Temp/data1.txt","r"",encoding='utf-8'")
inList = inFp.readlines() #ํ•œ๋ฒˆ์— ์ฝ์–ด ์ €์žฅ
for inStr in inList:
print(inStr, end="")
inFp.close()

 

4. open() ํ•จ์ˆ˜๋กœ ํŒŒ์ผ ์—†์„๋•Œ ์˜ค๋ฅ˜๋ฐฉ์ง€ ํ•จ์ˆ˜๋Š”?

os.path.exists() ํ•จ์ˆ˜

 

5. ๋นˆ์นธ์„ ์ฑ„์šฐ์‹œ์˜ค (๋„์Šค ๋ช…๋ น copy)

inList = inFp.readlines()
for inStr in inList:
outFp.writelines(inStr)

 

6. ์ด์ง„ ํŒŒ์ผ ์ฝ๊ฑฐ๋‚˜ ์“ฐ๋Š”๋ฐ ์‚ฌ์šฉํ•˜๋Š” ํ•จ์ˆ˜?

ํ•œ๋ฐ”์ดํŠธ์”ฉ ์ฒ˜๋ฆฌํ•˜๋Š”   read(), write() ํ•จ์ˆ˜๋ฅผ ์‚ฌ์šฉํ•œ๋‹ค.

 

7. ๊ฐ ์„ค๋ช…์— ๋งž๋Š” os, os.path, shutil ๋ชจ๋“ˆ ํ•จ์ˆ˜๋ฅผ ์“ฐ์‹œ์˜ค.

ํŒŒ์ผ ๋ณต์‚ฌ shutil.copy(์†Œ์ŠคํŒŒ์ผ,ํƒ€๊นƒํ•จ์ˆ˜)

๋””๋ ‰ํ„ฐ๋ฆฌ ๋ณต์‚ฌ shutil.copytree( ์†Œ์ŠคํŒŒ์ผ,ํƒ€๊นƒํ•จ์ˆ˜)

๋””๋ ‰ํ„ฐ๋ฆฌ ์ƒ์„ฑ os.mkdir(ํด๋”๋ช…)

๋””๋ ‰ํ„ฐ๋ฆฌ ์‚ญ์ œ shutil.rmtree (ํด๋”๋ช…)

ํด๋” ์—ฌ๋ถ€ ํ™•์ธ os.path.exists 

ํŒŒ์ผ ์‚ญ์ œ os.remove(ํŒŒ์ผ๋ช…)

 

 

8. try~except ๋ฌธ์—์„œ ์‚ฌ์šฉํ•˜๋Š” ์˜ˆ์™ธ์ข…๋ฅ˜

์—†๋Š” ๋ณ€์ˆ˜ ์ ‘๊ทผ NameError

ํŒŒ์ผ ์ฒ˜๋ฆฌ์—์„œ ์˜ค๋ฅ˜ ๋ฐœ์ƒ IOError

์‹คํ–‰์—์„œ ์˜ค๋ฅ˜ ๋ฐœ์ƒ RuntimeError

๋”•์…”๋„ˆ๋ฆฌ์— ํ‚ค๊ฐ€ ์—†์Œ KeyError