Code: Select all
@echo off
set "string=blahblahblahblahblbllahblahblahblahblahblbllah"
call :strlen0.3 string len
for /f "tokens=1,2 delims=: " %%a in ('mode^| find "Columns"') do @set cols=%%b
set /a start_from=cols/2-len/2
setlocal enableDelayedExpansion
for /l %%S in (1,1,!start_from!) do (
set "string= !string!"
)
endlocal & set string=%string%
echo %string%
goto :eof
:strlen0.3 StrVar [RtnVar]
setlocal EnableDelayedExpansion
set "s=#!%~1!"
set "len=0"
for %%A in (2187 729 243 81 27 9 3 1) do (
set /A mod=2*%%A
for %%Z in (!mod!) do (
if "!s:~%%Z,1!" neq "" (
set /a "len+=%%Z"
set "s=!s:~%%Z!"
) else (
if "!s:~%%A,1!" neq "" (
set /a "len+=%%A"
set "s=!s:~%%A!"
)
)
)
)
endlocal & if "%~2" neq "" (set %~2=%len%) else echo **%len%**
exit /b
Code: Select all
@echo off & setlocal enableDelayedExpansion
set /a size=80-1 & rem screen size minus one
set s=b
for /L %%# in (1,2,!size!) do if "!s:~%size%,1!" == "" set "s= !s! "
set s=!s:~1,%size%!& echo(!s!
set s=bla
for /L %%# in (1,2,!size!) do if "!s:~%size%,1!" == "" set "s= !s! "
set s=!s:~1,%size%!& echo(!s!
set s=blablabla
for /L %%# in (1,2,!size!) do if "!s:~%size%,1!" == "" set "s= !s! "
set s=!s:~1,%size%!& echo(!s!
set s=blablablabla
for /L %%# in (1,2,!size!) do if "!s:~%size%,1!" == "" set "s= !s! "
set s=!s:~1,%size%!& echo(!s!
set s=blablablablabla
for /L %%# in (1,2,!size!) do if "!s:~%size%,1!" == "" set "s= !s! "
set s=!s:~1,%size%!& echo(!s!
set s=blablablablablabla
for /L %%# in (1,2,!size!) do if "!s:~%size%,1!" == "" set "s= !s! "
set s=!s:~1,%size%!& echo(!s!
Code: Select all
b
bla
blablabla
blablablabla
blablablablabla
blablablablablabla
pumi wrote:thanks for your help guys.
I'll take the second one.
Maybe it's not nessesary to take the size as count.
The half size as count should work.
I'll try that...
btw: what do the "(" in "echo(!s!" ??
curiously there is no error in syntax but should be...!?