使用source方式运行script时, 就是让script在当前process内执行, 而不是产生一个child process来执行。由于所有执行结果均于当前process内完成,若script的环境有所改变, 当然也会改变当前process环境了。 使用exec方式运行script时, 它和source一样,也是让script在当前process内执行,但是process内的原代码剩下部分将被终止。
source命令(从 C Shell 而来)是bash shell的内置命令。点命令,就是个点符号,(从Bourne Shell而来)是source的另一名称。同样的,当前脚本中设置的变量也将作为脚本的环境,source(或点)命令通常用于重新执行刚修改的初始化文件,如 .bash_profile 和 .profile 等等。例如,如果在登录后对 .bash_profile 中的 EDITER ...
in some cases, pass them as arguments in the current shell. You can load functions and variables into the current shell scripts with the source command. Moreover, you can use the source command on the terminal or in a bash script, especially to load functions and variables from other...
script 的 执行 若以 source 来 执行 时,代表在 的 bash 内运行 。 2 . 若需要判断式,可使用 或 来处理 。的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手机刷题,以提高学习效率,是学
source命令是bash中的内建命令,它等同于点命令(.),用于读取和在当前shell环境中执行指定文件中的命令,执行完毕之后退出码为该文件中 的最后一个命令的退出码(Read and execute commands from filename in the current shell environment and return the exit status of the last command executed from filename.)。
Read and execute commands from filename in the current shell environment and return the exit status of the last command executed from filename.The return status is the status of the last command exited within the script (0 if no commands are executed), and false if filename is not found ...
/usr/bin/env bashecho"hello world" Usingsource, you can run this script even without setting the executable bit: $sourcehello.sh hello world You can also use the built-in.command for the same results: $ . hello.sh hello world Thesourceand.commands successfully execute the contents of the...
前些天在装opencl的beignet实现版本时,发现wiki中里面有个点命令.,不知道具体含义就百度了下,结果学了一些相关的知识,记录如下。 1...概述 source命令是bash的内置命令,与点命令.等效,唯一不同的是点命令是在POXIS下定义的]。...source命令的执行格式是source script
The.command is deprecated… a847073 ruffslmentioned this issueSep 5, 2019 github-actionsbotlocked asresolvedand limited conversation to collaboratorsApr 19, 2020 Sign up for freeto subscribe to this conversation on GitHub. Already have an account?Sign in....
/bin/bash # --- # ScriptName: mysql_install.sh # Author: wenhui.Cheng # Description: 一键部署MySQL # Version: v1.3 # Date: 2022-07-24 # --- echo " ┌─────────────────────────────────