The Command if not exist
social.msdn.microsoft.com › Forums › windowsappsJun 24, 2014 · The command exited with code 4 means "Initialization error occurred. There is not enough memory or disk space, or you entered an invalid drive name or invalid syntax on the command line. Please make sure the files that need to be copied are not read-only first. Then use the /C option for xcopy. For example: xcopy "$(SolutionDir)..\lib\sqlce\x86\*.*" "$(TargetDir)x86" /s /y /c.
Use a PowerShell Function to See If a Command Exists ...
devblogs.microsoft.com › scripting › use-a-powerFeb 19, 2013 · Therefore, if Get-Command $command results in an error, the code progresses to Catch, and I display a message stating the command does not exist. This is shown here. Catch {“$command does not exist”} If an error occurs, the Catch statement displays a message. The code continues to the Finally block. But if an error does not occur, the Catch statement does not execute. However, the Finally block still executes because FINALLY ALWAYS runs.
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https://www.cainiao.io/archives/859ERROR::Command is not existed. WAP>ls ERROR::Command is not existed. WAP>shell. BusyBox v1.18.4 (2013-07-27 17:47:39 CST) built-in shell (ash) Enter 'help' for a list of built-in commands. profile close core dump, flag= WAP(Dopra Linux) # su /bin/sh: su: not found. WAP(Dopra Linux) # ls bin etc lib mnt sbin tmp boot home libexec proc share usr