利用环境变量自删除 void DeleteMyself() { TCHAR szFile[MAX_PATH], szCmd[MAX_PATH]; if ((GetModuleFileName...(0, szFile, MAX_PATH) !...= 0) && (GetShortPathName(szFile, szFile, MAX_PATH) !...lstrcat(szCmd, TEXT(" >> NUL")); if ((GetEnvironmentVariable(TEXT("ComSpec"), sz...
TINY4412 # help setenv setenv - set environment variables -->作用是设置环境变量 Usage: //命令使用方法 setenv name value ... //使用格式 - set environment variable 'name' to 'value ...' //设置环境变量“名称”“数值……格式 setenv name - delete environment variable 'name' //删除...
Show/set/delete environment variables. envsubst Substitute environment variable values in shell format strings. esd Start the Enlightenment Sound Daemon (EsounD or esd). Enables multiple applications to access the same audio device simultaneously. esd-config Manage EsounD configuration. esdcat Use EsounD...
$ exit $ env | grep file_name file_name=test.txt 5. Conclusion In this tutorial, we discussed various examples to clear the value of an exported environment variable. We can use these commands in our shell scripts to make them more robust....
The unsetenv() function deletes the variable namefromthe environment. 注意: unsetenv 会将环境变量删除,包括环境变量的名和环境变量的值 clearenv()清除所有的环境变量,并设置environ 的值为NULL。 CLEARENV(3) CLEARENV(3) NAME clearenv-clear the environment ...
containscontainscontainsPythonPackageuninstall()Directorydelete()EnvironmentVariabledelete() 流程图 下面是Python卸载的流程图: 开始卸载Python包删除Python安装目录删除Python环境变量验证卸载结果结束 希望本文对你理解如何在Linux系统下正确卸载Python有所帮助。如果你对Python有其他问题或需求,可以参考官方文档或其他相关资料...
切换目录。cd实际上是shell内置的命令。 cd [DIR] dir可取: 缺省:当前用户主目录。 .:当前目录。 ..:当前目录的上级目录。 -:前一个工作目录。 ~:当前用户主目录。 ~USER:USER用户的主目录。 PATH:绝对路径或相对路径。 cp 复制文件/目录。 cp [-adfprR] SRC[ ...] DST ...
The shell also serves as a small programming environment. Unix programmers often break common tasks into little components and use the shell to manage tasks and piece things together. Shell是Unix系统中最重要的部分之一。 Shell是一个运行命令的程序,就像用户输入的命令一样。
('~' unless overridden by environment variable SIMPLE_BACKUP_SUFFIX) -T, --files-from=FILE get names to extract or create from FILE --unquote unquote filenames read with -T (default) -X, --exclude-from=FILE exclude patterns listed in FILE File name transformations: --strip-components=...
Visudo will honor the EDITOR environment variable rootpw: Prompt for root's password,notthe users's runaspw: Prompt for the runas_default user's password,notthe users's targetpw: Prompt for the target user's password,notthe users's use_loginclass: Apply defaults in the target user's login...