Batch File Set Variable not working [duplicate]

by

The problem is the spaces around the equal sign. This should do what you want.

set TESTVAR="No Value"
ECHO var = %TESTVAR%
set TESTVAR=""
ECHO var = %TESTVAR%
set TESTVAR="New value"
ECHO var = %TESTVAR%

More Related Contents:

  1. Windows Batch files: what is variable expansion, and what does EnableDelayedExpansion mean?
  2. How to get variable name?
  3. What’s the difference between placing “mut” before a variable name and after the “:”?
  4. Assign command output to variable in batch file
  5. When should an Excel VBA variable be killed or set to Nothing?
  6. set statements don’t appear to work in my batch file
  7. Why are variables “i” and “j” used for counters?
  8. How can I simulate an array variable in MySQL?
  9. Which variable size to use (db, dw, dd) with x86 assembly?
  10. When should I quote CMake variables?
  11. HiveQL: Using query results as variables
  12. Dynamically create variables in PowerShell
  13. In Rust, what’s the difference between “shadowing” and “mutability”?
  14. LessCss dynamic variables based on ancestor class
  15. Powershell pass variable to start-job
  16. How to make points one color when a third column equals zero, and another color otherwise, in Gnuplot?
  17. Determine variable names dynamically according to a string in Fortran
  18. Why there are two ways of declaring variables in Go, what’s the difference and which to use?
  19. In MATLAB, are variables REALLY double-precision by default?
  20. Comparing IEEE floats and doubles for equality
  21. Multiple variable assignment in Swift
  22. Why are variables “i” and “j” used for counters?
  23. Dynamic Variable Naming and Reference (ColdFusion)
  24. gnuplot store one number from data file into variable
  25. Set a path variable with spaces in the path in a Windows .cmd file or batch file
  26. What is “_,” (underscore comma) in a Go declaration?
  27. How to check if a parameter (or variable) is a number in a Batch script
  28. Why does Go allow compilation of unused function parameters?
  29. Create a variable in swift with dynamic name
  30. When should I quote CMake variable references?

Leave a Comment