curl --location 'https://gateway.xxx.cn/bdp/public/api/V2/data2api/xxx-digitalTwin-deviceLastetCollectTime/v1.0' \ --header 'Content-Type: application/json' \ --header 'agentCode: Baidu' \ --data '{ "params": { "deviceList": ["efc240f3232f4353"], "startTime": 1605223749685, "...
与其他shell一样,我们可以在终端中交互式地直接使用 bash ,还可以像其他编程语言一样使用 bash 来编写脚本。 为了编写 Bash 脚本,我们只需要一个 UNIX 终端和一个文本编辑器(如 Sublime text 、VS Code )或基于终端的编辑器(如 vim 或 nano )。 2. Bash 文件结构 Bash 文件以.sh后缀为扩展名,我们通过创建...
it returned a1, which was the return value ofbadcommand. But theechocommand itself succeeds, and therefore the new, most recent status is success (i.e., a0value).Because you only get one chance to check the exit status, many shell scripts will immediately assign the status to another shel...
This is an alternative to sed, awk, perl and other tools. The function below works by finding all leading and trailing white-space and removing it from the start and end of the string. The : built-in is used in place of a temporary variable....
The last example explains the -f option. Open the terminal and run: sleep 3600 & [1] 46671 wait 46671 Open another terminal and stop the process with the kill command: kill -STOP 46671 Once the process status changes, the wait command will be completed, and the process exit code will ...
@test "invoking foo with a nonexistent file prints an error" { run foo nonexistent_filename [ "$status" -eq 1 ] [ "$output" = "foo: no such file 'nonexistent_filename'" ] }The $status variable contains the status code of the command, and the $output variable contains the ...
Usage: docker-compose [-f ...] [options] [COMMAND] [ARGS...] docker-compose -h| --help Options: -f, --file FILE Specify an alternate compose file (default: docker-compose.yml) -p, --project-name NAME Specify an alternate project name (default: directory name) --verbose Show ...
To display the exit code for the last command you ran on the command line, use the following command: $echo$? The displayed response contains no pomp or circumstance. It's simply a number. You might also receive a shell error message from Bash further describing the error, but the exit ...
在windows系统上打造这样的环境相比于在Linxu上要麻烦得多，各种问题层出不穷，一言不合就就ERROR。所以...
check Don't check the daemon's hostname against the name specified in the client certificate --project-directory PATH Specify an alternate working directory (default: the path of the Compose file) --compatibility If set, Compose will attempt to convert deploy keys in v3 f...