Now in order to comment out multiple lines, we place ” : ‘” a line before the lines to be commented out and a ”‘” after the end of the lines as shown below: #!/bin/bash : ' echo "THIS COMMAND IS GONNA GET
[命令] <<[-] '分隔符标记' Line 1 Line 2 ... 分隔符标记 命令是可选的。适用于任何接受重定向的命令。 << 是用于将 HereDoc 转发到 COMMAND 的重定向运算符。 - 是制表符抑制的参数。 第一行中的DELIMITER 定义了 HereDoc 分隔符标记。 END、EOT 和 EOF 是最常见的,但任何不会出现在正文中的多...
The first method is by typing # at the beginning of a single-line comment.#!/bin/bash #Command below prints a Hello World text echo “Hello, world!”The second method is by using : followed by ‘. This method works for multiple-line comments.#!/bin/bash read a : ‘ The following ...
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The first character of PS4 is replicated multiple times, as necessary, to indicate multiple levels of indirection. The default is ``+ ''. SHELL The full pathname to the shell is kept in this environ- ment variable. If it is not set when the shell starts, bash assigns to it the full...
do something else. whenever you want this back again, simply, type fg . This will bring the background job (vim) back again. Note that the process is paused, so if you’re running something like tail on a file, the process will have some catching up to do. If you have multiple ...
Automated Software Installation: Install software packages on multiple machines without manual intervention. Tips and Best Practices Start with a Shebang (#!/bin/bash): This tells the system to use the Bash shell to execute the script. Comment Generously: Use comments (#) to describe the purpose...
立即登录 没有帐号,去注册 编辑仓库简介 简介内容 Node Version Manager - POSIX-compliant bash script to manage multiple active node.js versions 主页 取消 保存更改 1 https://gitee.com/mirrors/nvm.git git@gitee.com:mirrors/nvm.git mirrors nvm nvm master北京...
{nvm_path}"/.nvmrc) declare locally_resolved_nvm_version # `nvm ls` will check all locally-available versions # If there are multiple matching versions, take the latest one # Remove the `->` and `*` characters and spaces # `locally_resolved_nvm_version` will be `N/A` if no local ...
立即登录 没有帐号,去注册 编辑仓库简介 简介内容 Node Version Manager - POSIX-compliant bash script to manage multiple active node.js versions 主页 取消 保存更改 1 https://gitee.com/mirrors/nvm.git git@gitee.com:mirrors/nvm.git mirrors nvm nvm master北京...