python popen濡備綍瀹炵幇鍛戒护琛岃緭鍏?
扬州沐宇科技
2024-06-15 16:17:28
python
鍦≒ython涓紝subprocess.Popen 鍙互瀹炵幇鎵ц鍛戒护琛岃緭鍏ャ€傞€氳繃鍒涘缓 Popen 瀵硅薄骞朵紶鍏ラ渶瑕佹墽琛岀殑鍛戒护浠ュ強 stdin=subprocess.PIPE 鍙傛暟锛屽彲浠ュ疄鐜板鍛戒护琛岀殑杈撳叆銆備互涓嬫槸涓€涓ず渚嬩唬鐮侊細
import subprocess
# 鎵ц鍛戒护琛岃緭鍏?/span>
command = 'grep hello'
proc = subprocess.Popen(command, shell=True, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
# 杈撳叆鏁版嵁鍒板懡浠よ
input_data = "hello world\n"
proc.stdin.write(input_data.encode())
proc.stdin.close()
# 璇诲彇鍛戒护琛岃緭鍑?/span>
output = proc.stdout.read().decode()
print(output)
鍦ㄤ笂闈㈢殑绀轰緥涓紝浣跨敤 subprocess.Popen 鎵ц浜?grep hello 鍛戒护锛岀劧鍚庨€氳繃 proc.stdin.write 杈撳叆浜?鈥渉ello world\n鈥?鏁版嵁锛屽苟閫氳繃 proc.stdout.read() 璇诲彇浜嗗懡浠よ鐨勮緭鍑恒€傛渶鍚庢墦鍗拌緭鍑虹粨鏋溿€?/p>
