将shell的 echo "$1 $result" >> ${sim_dir}/result.txt翻译成python
时间: 2024-02-13 20:06:18 浏览: 23
这句话的意思是在shell命令行中,将变量$1和变量$result拼接成一个字符串并追加写入到文件${sim_dir}/result.txt中。
在Python中,可以使用文件操作语句`with open() as f:`将字符串写入到文件中,代码如下:
```python
with open('{}/result.txt'.format(sim_dir), 'a') as f:
f.write('{}\t{}\n'.format(arg1, result))
```
其中,`with open()`语句用于打开文件,`'a'`参数表示追加写入模式,`write()`函数用于写入字符串到文件中。`'\t'`表示制表符。
相关问题
请把下列shell语句转换成python语句:export WENET_DIR=$PWD/../../.. export BUILD_DIR=${WENET_DIR}/runtime/server/x86/build export OPENFST_PREFIX_DIR=${BUILD_DIR}/../fc_base/openfst-subbuild/openfst-populate-prefix export PATH=$PWD:${BUILD_DIR}:${BUILD_DIR}/kaldi:${OPENFST_PREFIX_DIR}/bin:$PATH # NOTE(kan-bayashi): Use UTF-8 in Python to avoid UnicodeDecodeError when LC_ALL=C export PYTHONIOENCODING=UTF-8 export PYTHONPATH=../../../:$PYTHONPATH
以下是将给定的shell语句转换为Python语句的一种方法:
```
import os
# 设置变量
WENET_DIR = os.path.abspath(os.path.join(os.getcwd(), '../../..'))
BUILD_DIR = os.path.join(WENET_DIR, 'runtime/server/x86/build')
OPENFST_PREFIX_DIR = os.path.join(BUILD_DIR, '../fc_base/openfst-subbuild/openfst-populate-prefix')
# 添加PATH环境变量
os.environ['PATH'] = ':'.join([os.getcwd(), BUILD_DIR, os.path.join(BUILD_DIR, 'kaldi'), os.path.join(OPENFST_PREFIX_DIR, 'bin'), os.environ.get('PATH', '')])
# 设置PYTHONIOENCODING和PYTHONPATH环境变量
os.environ['PYTHONIOENCODING'] = 'UTF-8'
os.environ['PYTHONPATH'] = os.path.abspath(os.path.join(os.getcwd(), '../../../')) + ':' + os.environ.get('PYTHONPATH', '')
```
需要注意的是,这里使用了Python的`os`模块来设置环境变量。对于`export`命令,可以使用`os.environ`来设置环境变量,而对于变量的赋值,可以使用Python的字符串拼接和`os.path`模块来得到对应的路径。
if grep -q "PASS_MIN_DAYS" /etc/login.defs then sed -i '/PASS_MIN_DAYS/s/^#//' /etc/login.defs sed -i "s/PASS_MIN_DAYS.*/PASS_MIN_DAYS 6/g" /etc/login.defs fi if grep -q "PASS_MIN_LEN" /etc/login.defs then sed -i '/PASS_MIN_LEN/s/^#//' /etc/login.defs sed -i "s/PASS_MIN_LEN.*/PASS_MIN_LEN 8/g" /etc/login.defs fi if grep -q "PASS_MAX_DAYS" /etc/login.defs then sed -i '/PASS_MAX_DAYS/s/^#//' /etc/login.defs sed -i "s/PASS_MAX_DAYS.*/PASS_MAX_DAYS 90/g" /etc/login.defs fi if grep -q "PASS_WARN_AGE" /etc/login.defs then sed -i '/PASS_WARN_AGE/s/^#//' /etc/login.defs sed -i "s/PASS_WARN_AGE.*/PASS_WARN_AGE 7/g" /etc/login.defs fi if grep -q "Protocol" /etc/ssh/sshd_config then sed -i '/Protocol/s/^#//' /etc/ssh/sshd_config sed -i "s/Protocol.*/Protocol 2/g" /etc/ssh/sshd_config else echo 'Protocol 2' >> /etc/ssh/sshd_config fi
以下是将这些命令转换为Python代码的示例:
```python
import subprocess
login_defs_file = '/etc/login.defs'
ssh_config_file = '/etc/ssh/sshd_config'
# Update PASS_MIN_DAYS in login.defs file
if subprocess.call('grep -q "PASS_MIN_DAYS" /etc/login.defs', shell=True) == 0:
subprocess.call("sed -i '/PASS_MIN_DAYS/s/^#//' /etc/login.defs", shell=True)
subprocess.call("sed -i 's/PASS_MIN_DAYS.*/PASS_MIN_DAYS 6/g' /etc/login.defs", shell=True)
# Update PASS_MIN_LEN in login.defs file
if subprocess.call('grep -q "PASS_MIN_LEN" /etc/login.defs', shell=True) == 0:
subprocess.call("sed -i '/PASS_MIN_LEN/s/^#//' /etc/login.defs", shell=True)
subprocess.call("sed -i 's/PASS_MIN_LEN.*/PASS_MIN_LEN 8/g' /etc/login.defs", shell=True)
# Update PASS_MAX_DAYS in login.defs file
if subprocess.call('grep -q "PASS_MAX_DAYS" /etc/login.defs', shell=True) == 0:
subprocess.call("sed -i '/PASS_MAX_DAYS/s/^#//' /etc/login.defs", shell=True)
subprocess.call("sed -i 's/PASS_MAX_DAYS.*/PASS_MAX_DAYS 90/g' /etc/login.defs", shell=True)
# Update PASS_WARN_AGE in login.defs file
if subprocess.call('grep -q "PASS_WARN_AGE" /etc/login.defs', shell=True) == 0:
subprocess.call("sed -i '/PASS_WARN_AGE/s/^#//' /etc/login.defs", shell=True)
subprocess.call("sed -i 's/PASS_WARN_AGE.*/PASS_WARN_AGE 7/g' /etc/login.defs", shell=True)
# Update Protocol in sshd_config file
if subprocess.call('grep -q "Protocol" /etc/ssh/sshd_config', shell=True) == 0:
subprocess.call("sed -i '/Protocol/s/^#//' /etc/ssh/sshd_config", shell=True)
subprocess.call("sed -i 's/Protocol.*/Protocol 2/g' /etc/ssh/sshd_config", shell=True)
else:
subprocess.call("echo 'Protocol 2' >> /etc/ssh/sshd_config", shell=True)
```
上述代码首先检查是否存在`/etc/login.defs`文件中的`PASS_MIN_DAYS`行,如果存在,则将其注释去除,并将`PASS_MIN_DAYS`的值设置为6。接着,检查是否存在`PASS_MIN_LEN`行,如果存在,则将其注释去除,并将`PASS_MIN_LEN`的值设置为8。然后,检查是否存在`PASS_MAX_DAYS`行,如果存在,则将其注释去除,并将`PASS_MAX_DAYS`的值设置为90。最后,检查是否存在`PASS_WARN_AGE`行,如果存在,则将其注释去除,并将`PASS_WARN_AGE`的值设置为7。
然后,检查是否存在`/etc/ssh/sshd_config`文件中的`Protocol`行,如果存在,则将其注释去除,并将其值设置为2。如果不存在,则在文件末尾添加一行`Protocol 2`。
请确保你具有足够的权限来执行这些操作,并将需要修改的文件路径正确添加到`login_defs_file`和`ssh_config_file`变量中。运行代码后,命令将被执行。