I have a Windows .bat file which I would like to accept user input and then use the results of that input as part of the call to additional commands.
For example, I’d like to accept a process ID from the user, and then run jstack against that ID, putting the results of the jstack call into a file. However, when I try this, it doesn’t work.
Here’s my sample bat file contents:
@echo off set /p id=Enter ID: echo %id% jstack > jstack.txt
and here’s what shows up in jstack.txt:
Enter ID: Terminate batch job (Y/N)?
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@echo off set /p id="Enter ID: " %=%
You can then use %id% as a parameter to another batch file. For example:
EDIT: This works just fine for me. Sorry I can’t help more.
set /P id=Enter id: %=% jstack %id% > jstack.txt
I am not sure if this is the case for all versions of Windows, however on the XP machine I have, I need to use the following:
set /p Var1="Prompt String"
Without the prompt string in quotes, I get various results depending on the text.
The syntax is as such: set /p variable= [string]
Note the space after the equals(=) sign
Once you have set your variable you can then go about using it in the following fashion.
@echo off set /p UserInputPath= What Directory would you like? cd C:/%UserInputPath%
note the %variable name% syntax
Dollar signs around the variable do not work on my Vista machine, but percent signs do. Also note that a trailing space on the “set” line will show up between the prompt and user input.
@echo off :start set /p var1=”Enter first number: ” pause
@echo off set /p input="Write something, it will be used in the command "echo"" echo %input% pause
if i get what you want, this works fine. you can use %input% in other commands too.
@echo off echo Write something, it will be used in the command "echo" set /p input="" cls echo %input% pause>nul
thi is more polite.
Just added the
set /p NetworkLocation= Enter name for network? echo %NetworkLocation% >> netlist.txt
sequence to my netsh batch job. It now shows me the location I respond as the point for that sample. I continuously >> the output file so I know now “home”, “work”, “Starbucks”, etc. Looking for clear air, I can eavulate the lowest use channels and whether there are 5 or just all 2.4 MHz WLANs around.
There is no documented /prompt parameter for SETX as there is for SET.
If you need to prompt for an environment variable that will survive reboots, you can use SETX to store it.
A variable created by SETX won’t be usable until you restart the command prompt. Neatly, however, you can SETX a variable that has already been SET, even if it has the same name.
This works for me in Windows 8.1 Pro:
set /p UserInfo= "What is your name? " setx UserInfo "%UserInfo%"
(The quotation marks around the existing variable are necessary.)
This procedure allows you to use the temporary SET-created variable during the current session and will allow you to reuse the SETX-created variable upon reboot of the computer or restart of the CMD prompt.
(Edited to format code paragraphs properly.)