I would like to concatenate a variable with a string.
In line 7 to line 11 I try to concat !somevariable! with a string or with %%P variable.
But this does not seem to work.
I.e. you have file 0_1_en.pdf in current folder.
The script shortcuts the name of file to first digit.
Afterwards I want to create a new variable with a string for example:"GEN 0" where 0 is the !sPDFName!
Complete code:
1 SETLOCAL EnableDelayedExpansion
2 for /f "delims=" %%P in ('dir /b *.pdf') do (
3 SET "sPDFName=%%~nxP"
4 echo "!sPDFName:~0,1!"
5 IF "!sPDFName:~0,1!"=="1" (SET "sPDFName=!sPDFName:~0,1!")
6 IF "!sPDFName:~0,1!"=="0" (SET "sPDFName=!sPDFName:~0,1!")
7 SET tempStr=GEN !sPDFName!
8 SET myvar=!myvar! %%P
9
10 echo "%myvar%"
11 echo "%tempStr%"
12 ::echo "!sPDFName!"
13 pause
14 for /f "delims=" %%H in ('dir /b *.html') do (
15 IF "!sPDFName:~-0!"=="!%%H:~0,1!" echo %%H
16 )
17 )
The concatenation works! But your echo fails.
As you are in a command block (parenthesis) all percent variables are expanded before the block will be executed, so the output of echo "%myvar%"
is the content of myvar before entering the FOR-Loop.
But you know the correct way already, using the delayed expansion (with !
)
So your code should look like
SETLOCAL EnableDelayedExpansion
for /f "delims=" %%P in ('dir /b *.pdf') do (
SET "sPDFName=%%~nxP"
echo "!sPDFName:~0,1!"
IF "!sPDFName:~0,1!"=="1" (SET "sPDFName=!sPDFName:~0,1!")
IF "!sPDFName:~0,1!"=="0" (SET "sPDFName=!sPDFName:~0,1!")
SET tempStr=GEN !sPDFName!
SET myvar=!myvar! %%P
echo "!myvar!"
echo "!tempStr!"
::echo "!sPDFName!"
pause
for /f "delims=" %%H in ('dir /b *.html') do (
IF "!sPDFName:~-0!"=="!%%H:~0,1!" echo %%H
)
)
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