shell脚本调用python脚本如何操作

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shell脚本调用python脚本如何操作

匿名提问者(zhe) 2023-05-10 14:32:00

shell脚(jiao)本(ben)调用(yong)python脚(jiao)本(ben)如(ru)何操作

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小锋 2023-05-10 14:32:00

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　　Shell脚本如下所示调用Python脚本：

#!/bin/bash

# 调用Python脚(jiao)本
python myscript.py

　　其中(zhong)，"myscript.py"为要调(diao)用(yong)(yong)的(de)Python脚(jiao)本(ben)(ben)文(wen)件(jian)名。如(ru)果Python脚(jiao)本(ben)(ben)文(wen)件(jian)不在(zai)当前(qian)目录中(zhong)，则可(ke)以添加完整路径。例如(ru)，如(ru)果Python脚(jiao)本(ben)(ben)文(wen)件(jian)在(zai)目录 "/home/user/scripts" 中(zhong)，则可(ke)以在(zai)Shell脚(jiao)本(ben)(ben)中(zhong)这样调(diao)用(yong)(yong)：

#!/bin/bash

# 调用(yong)位于 /home/user/scripts 目录(lu)中的(de) Python 脚本
python /home/user/scripts/myscript.py

　　此外(wai)，我们可(ke)以利用shell脚本中变量的值来向python脚本传递参数，示例(li)代码如下：

　　Shell脚本：

#!/bin/bash

# 向 Python 脚(jiao)本传(chuan)递参数
name="Alice"
hello=$(python myscript.py $name)

# 在 Shell 脚本(ben)中输(shu)出 Python 脚本(ben)返回的内容(rong)
echo $hello

　　Python脚本(myscript.py)：

#!/usr/bin/env python

import sys

# 获取从 Shell 脚(jiao)本中(zhong)传(chuan)递的参数
name = sys.argv[1]

# 在(zai) Python 脚(jiao)本中处(chu)理(li)参(can)数，并返回结果
hello = "Hello, " + name + "!"

# 将(jiang) hello 的值返回给 Shell 脚本
print(hello)

　　在(zai)此示例中(zhong)，我(wo)们在(zai)将Python脚本(ben)作为(wei)子(zi)进程(cheng)并从(cong)Shell脚本(ben)中(zhong)调用它后，我(wo)们使用sys模块来处理传递到(dao)Python脚本(ben)的参(can)数(shu)，然(ran)后计算并返回结果，并在(zai)Shell脚本(ben)中(zhong)输出它。

其他答案

匿(ni)名用户 2023-05-10 14:32:00

　　在shell脚(jiao)(jiao)(jiao)(jiao)本中(zhong)(zhong)(zhong)(zhong)调用(yong)(yong)Python脚(jiao)(jiao)(jiao)(jiao)本，可(ke)以使(shi)用(yong)(yong)以下两(liang)种方(fang)式：1. 直接调用(yong)(yong)Python解释器执(zhi)行Python脚(jiao)(jiao)(jiao)(jiao)本：其中(zhong)(zhong)(zhong)(zhong)，/path/to/script.py是Python脚(jiao)(jiao)(jiao)(jiao)本的(de)路径。在shell脚(jiao)(jiao)(jiao)(jiao)本中(zhong)(zhong)(zhong)(zhong)，可(ke)以将这个命(ming)令包含在shell脚(jiao)(jiao)(jiao)(jiao)本中(zhong)(zhong)(zhong)(zhong)的(de)任何需要的(de)逻(luo)辑或命(ming)令中(zhong)(zhong)(zhong)(zhong)。2. 将Python脚(jiao)(jiao)(jiao)(jiao)本作为shell脚(jiao)(jiao)(jiao)(jiao)本的(de)一部分：在shell脚(jiao)(jiao)(jiao)(jiao)本中(zhong)(zhong)(zhong)(zhong)，可(ke)以将Python代码(ma)嵌(qian)入到(dao)(dao)shell脚(jiao)(jiao)(jiao)(jiao)本中(zhong)(zhong)(zhong)(zhong)，并使(shi)用(yong)(yong)bash的(de)here document语法(fa)来(lai)(lai)执(zhi)行Python代码(ma)。使(shi)用(yong)(yong)here document语法(fa)将Python代码(ma)嵌(qian)入到(dao)(dao)shell脚(jiao)(jiao)(jiao)(jiao)本中(zhong)(zhong)(zhong)(zhong)，并使(shi)用(yong)(yong)python -命(ming)令来(lai)(lai)执(zhi)行Python代码(ma)。在END标记之间，可(ke)以包含任何Python代码(ma)，使(shi)用(yong)(yong)import os和(he)print语句来(lai)(lai)打印根目(mu)录(lu)的(de)文件列表。通过这种方(fang)式，在shell脚(jiao)(jiao)(jiao)(jiao)本中(zhong)(zhong)(zhong)(zhong)调用(yong)(yong)Python脚(jiao)(jiao)(jiao)(jiao)本，可(ke)以实现shell和(he)Python之间的(de)无缝集成，从(cong)而更加灵(ling)活和(he)高(gao)效地执(zhi)行各种任务。
匿名用(yong)户(hu) 2023-05-10 14:32:00

　　在(zai)(zai)(zai)(zai)shell脚(jiao)(jiao)(jiao)(jiao)本(ben)(ben)中(zhong)调(diao)(diao)用(yong)(yong)(yong)Python脚(jiao)(jiao)(jiao)(jiao)本(ben)(ben)，可(ke)(ke)以使(shi)用(yong)(yong)(yong)以下两种方法：1. 直(zhi)接(jie)调(diao)(diao)用(yong)(yong)(yong)Python解释器：在(zai)(zai)(zai)(zai)shell脚(jiao)(jiao)(jiao)(jiao)本(ben)(ben)中(zhong)，可(ke)(ke)以使(shi)用(yong)(yong)(yong)以下命(ming)(ming)令(ling)调(diao)(diao)用(yong)(yong)(yong)Python解释器，并(bing)将(jiang)Python脚(jiao)(jiao)(jiao)(jiao)本(ben)(ben)作(zuo)(zuo)为参(can)(can)数(shu)传(chuan)递(di)给(ji)它。在(zai)(zai)(zai)(zai)这(zhei)个脚(jiao)(jiao)(jiao)(jiao)本(ben)(ben)中(zhong)，第一行(xing)(xing)(xing)指(zhi)定使(shi)用(yong)(yong)(yong)bash解释器来(lai)运(yun)行(xing)(xing)(xing)脚(jiao)(jiao)(jiao)(jiao)本(ben)(ben)。第二行(xing)(xing)(xing)使(shi)用(yong)(yong)(yong)python命(ming)(ming)令(ling)调(diao)(diao)用(yong)(yong)(yong)Python解释器，并(bing)将(jiang)script.py作(zuo)(zuo)为参(can)(can)数(shu)传(chuan)递(di)给(ji)它。2. 在(zai)(zai)(zai)(zai)shell脚(jiao)(jiao)(jiao)(jiao)本(ben)(ben)中(zhong)使(shi)用(yong)(yong)(yong)python脚(jiao)(jiao)(jiao)(jiao)本(ben)(ben)：可(ke)(ke)以在(zai)(zai)(zai)(zai)shell脚(jiao)(jiao)(jiao)(jiao)本(ben)(ben)中(zhong)使(shi)用(yong)(yong)(yong)Python代(dai)码(ma)来(lai)执(zhi)行(xing)(xing)(xing)特定任务，这(zhei)是通(tong)过在(zai)(zai)(zai)(zai)shell脚(jiao)(jiao)(jiao)(jiao)本(ben)(ben)中(zhong)编写Python代(dai)码(ma)来(lai)实现的，如(ru)下所示：在(zai)(zai)(zai)(zai)这(zhei)个脚(jiao)(jiao)(jiao)(jiao)本(ben)(ben)中(zhong)，使(shi)用(yong)(yong)(yong)了bash的heredoc语法，将(jiang)Python代(dai)码(ma)嵌入到shell脚(jiao)(jiao)(jiao)(jiao)本(ben)(ben)中(zhong)。当运(yun)行(xing)(xing)(xing)该脚(jiao)(jiao)(jiao)(jiao)本(ben)(ben)时，bash将(jiang)python代(dai)码(ma)发送给(ji)Python解释器并(bing)执(zhi)行(xing)(xing)(xing)。无论(lun)使(shi)用(yong)(yong)(yong)哪种方法，在(zai)(zai)(zai)(zai)调(diao)(diao)用(yong)(yong)(yong)Python脚(jiao)(jiao)(jiao)(jiao)本(ben)(ben)之前(qian)，需要确保Python已(yi)经安装在(zai)(zai)(zai)(zai)系(xi)统(tong)上，并(bing)且Python脚(jiao)(jiao)(jiao)(jiao)本(ben)(ben)具有可(ke)(ke)执(zhi)行(xing)(xing)(xing)权(quan)限。此(ci)外，在(zai)(zai)(zai)(zai)shell脚(jiao)(jiao)(jiao)(jiao)本(ben)(ben)中(zhong)调(diao)(diao)用(yong)(yong)(yong)Python脚(jiao)(jiao)(jiao)(jiao)本(ben)(ben)时，还(hai)可(ke)(ke)以使(shi)用(yong)(yong)(yong)参(can)(can)数(shu)来(lai)传(chuan)递(di)数(shu)据和配置信息。