cmd pipe set
The ECHO command sends all its output to Standard Output. Standard Error is the stream where many (but not all) commands send their error ..., When you run (same for the other line) echo 111 | (set /p readvalue= & set readvalue). you see that the value shown in console as the variable ..., Nearly every command that accepts input can also be used with pipes. Also your sample with SET /P could work, but it needs some attention.,command > filename Redirect command output to a file command ... If the filename or command is not found then redirection will set an Exit Code of 1 ... , FOR /F "tokens=* USEBACKQ" %%F IN (`command`) DO ( SET var=%%F ) ECHO %var%. I always use the USEBACKQ so that if you have a ..., The cause is, that a pipe starts both sides in a cmd context (both run ... %%L>>%2 ) SET RUN_TO_LABEL= goto:eof :over_debug_stuff call ..., To set a variable to the output of a command, use for /f : for /f "tokens=*" %%a in ('command') do set _CmdResult=%%a. The problem is, to use ..., Your way can't work for two reasons. You need to use set /p text= for setting the variable with user input. The other problem is the pipe. A pipe ..., The pipe seems to create a new CMD instance to carry out the next command that is receiving the pipe data. So when the pipe has concluded, ..., will show you the variable has been set. echo command send its ... When cmd finds a pipe definition, with data flowing from one program to ...
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 cmd pipe set 相關參考資料
Batch files - How To ... Display and Redirect Output
The ECHO command sends all its output to Standard Output. Standard Error is the stream where many (but not all) commands send their error ... https://www.robvanderwoude.com Batch: Pipe command output to variable and compare - Stack ...
When you run (same for the other line) echo 111 | (set /p readvalue= & set readvalue). you see that the value shown in console as the variable ... https://stackoverflow.com Command output redirection using pipe character - Stack ...
Nearly every command that accepts input can also be used with pipes. Also your sample with SET /P could work, but it needs some attention. https://stackoverflow.com Command Redirection, Pipes - Windows CMD - SS64.com
command > filename Redirect command output to a file command ... If the filename or command is not found then redirection will set an Exit Code of 1 ... https://ss64.com How to set commands output as a variable in a batch file ...
FOR /F "tokens=* USEBACKQ" %%F IN (`command`) DO ( SET var=%%F ) ECHO %var%. I always use the USEBACKQ so that if you have a ... https://stackoverflow.com How to use Windows CMD pipe( | ) feature with CALL :Label ...
The cause is, that a pipe starts both sides in a cmd context (both run ... %%L>>%2 ) SET RUN_TO_LABEL= goto:eof :over_debug_stuff call ... https://stackoverflow.com Redirect pipe to a variable in Windows batch file - Super User
To set a variable to the output of a command, use for /f : for /f "tokens=*" %%a in ('command') do set _CmdResult=%%a. The problem is, to use ... https://superuser.com Set output of a command as a variable (with pipes) - Stack ...
Your way can't work for two reasons. You need to use set /p text= for setting the variable with user input. The other problem is the pipe. A pipe ... https://stackoverflow.com Why doesn't "set -P" work after a pipe? - Stack Overflow
The pipe seems to create a new CMD instance to carry out the next command that is receiving the pipe data. So when the pipe has concluded, ... https://stackoverflow.com Windows Batch for Pipe out Variable - Stack Overflow
will show you the variable has been set. echo command send its ... When cmd finds a pipe definition, with data flowing from one program to ... https://stackoverflow.com |