Str trim /w var expansion

[®ᴱᵴᴲᴙᴠᴱᴆ]

How do you...

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set mName=%ret:~0,1%

...using

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for /f "tokens=(val to get) delims=(/.- whatever)" %%- in ("%date%") do (
set ret=%%- ===> remove chars and expand to the val
)

I call outside the loop and set ret=%ret:~0,1%
How to trim, and set ret inside the loop...? using %%%%-:~0,1%%%% or whatever....

Thanks

[abc0502]

Here is an example

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@echo off
cls
setlocal enabledelayedexpansion
for /f "skip=1 tokens=* delims= " %%a in ('ver') do (
set "ret=%%a"
echo !ret:~0,5!
)
pause

it will use the command ver to get output and set that out put to a variable "ret"
but while delayed Expansion enabled, u use ! ! instead of % %

[®ᴱᵴᴲᴙᴠᴱᴆ]

So, I would have to...

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set ret=%%x
echo.!ret:0,1!
)

Is there not a way I can....

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set ret=!%%x:~0,1%! ....or something.
)
echo.%ret%

[abc0502]

I don't know but i tried that before and couldn't do it.

[Ed Dyreen]

Is there not a way I can....

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set ret=!%%x:~0,1%! ....or something.
)
echo.%ret%

Of course you can

But the result differs from what you expect.

@echo off &setlocal enableDelayedExpansion

for %%x in ( x ) do set x=t_h_i_s_w_o_r_k_s &set ret=!%%x:~0,1%! ....or something.
set ret
for %%x in ( x ) do set x=t_h_i_s_w_o_r_k_s &set x=!%%x:_=%!
set x

for %%x in ( x ) do set "x=y" &set y=t_h_i_s_w_o_r_k_s &call set x=%%!x!:~0,1%%
set x
for %%x in ( x ) do set "x=y" &set y=t_h_i_s_w_o_r_k_s &call set x=%%!x!:_=%%
set x

for %%x in ( t_h_i_s_w_o_r_k_s ) do set "x=%%x" &set "x=!x:~0,1!"
set x
for %%x in ( t_h_i_s_w_o_r_k_s ) do set "x=%%x" &set "x=!x:_=!"
set x

pause
exit

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ret=t ....or something.
x=thisworks
x=t
x=thisworks
x=t
x=thisworks
Druk op een toets om door te gaan. . .

Variable substitution works for variables not for read only tokens, hence the name.

[®ᴱᵴᴲᴙᴠᴱᴆ]

Thank you.
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Interesting choice of dialect...or something