LOOP NOT WORKING !!

[dostarora]

i made this program to prank one of my friend ...but i don't know why the loop is not working properly...the loop works only for some seconds and then it displays this message




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Sets the default console foreground and background colors.

COLOR [attr]

attr Specifies color attribute of console output

[color=#0000FF]Color attributes are specified by TWO hex digits -- the first
corresponds to the background; the second the foreground. Each digit
can be any of the following values:

0 = Black 8 = Gray
1 = Blue 9 = Light Blue
2 = Green A = Light Green
3 = Aqua B = Light Aqua
4 = Red C = Light Red
5 = Purple D = Light Purple
6 = Yellow E = Light Yellow
7 = White F = Bright White

If no argument is given, this command restores the color to what it was
when CMD.EXE started. This value either comes from the current console
window, the /T command line switch or from the DefaultColor registry
value.
Press any key to continue . . .




my program code was :

@echo off
msg * Caution : Windows has detected 23 Viruses. Click OK to delete the viruses.
msg * System is being scanned. Please wait.
msg * Acess Denied !!
msg * Virus is being activated..
msg * Virus is avtivated.
set /a Colour=0
:start
color %Colour%
echo %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%%random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%%random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%%random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%%random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%%random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%%random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%%random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%%random% %random%
set /a Colour+=1
if %Colour%==10(set /a Colour=0) else (goto :start)
goto start


PLEASE HELP ME WITH THIS PROBLEM

[foxidrive]

Try this:

Code: Select all

@echo off
msg * Caution : Windows has detected 23 Viruses. Click OK to delete the viruses.
msg * System is being scanned. Please wait.
msg * Access Denied !!
msg * Virus is being activated..
msg * Virus is activated.
set /a Colour=0
:start
color %Colour%
echo %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%
set /a Colour+=1
if %Colour%==10 (set /a Colour=0) else (goto :start)
goto start

[foxidrive]

here is another method:

Code: Select all

@echo off
setlocal enabledelayedexpansion
msg * Caution : Windows has detected 23 Viruses. Click OK to delete the viruses.
msg * System is being scanned. Please wait.
msg * Access Denied !!
msg * Virus is being activated..
msg * Virus is activated.
:start
for /L %%a in (1,1,10) do (
color %%a
for /L %%b in (1,1,30) do (
set /p "=!random! "<nul
)
)
goto start