windows - CMD Assigning variable to file name in folder -

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i looking way assign filename variable based on wildcard. have far:

cd y:\filelocation\filename1.txt  %%a y:\filelocation\filename1*.txt set claims= %~ni

not sure if can point file , grab attributes specific file , assign file name. or how can go doing this. need use wildcard since file name can have datestamp, root of file name remain same.

what works me syntax: 

 %%a in (d*.lnk) set claims=%%~na

so change code match works, read...

cd /d "y:\filelocation" %%a in ("y:\filelocation\filename1*.txt") set "claims=%%~na"

changes made were:
1) added key-word "in"
2) added parenthesis around file specification
3) added key-word "do" , removed new-line
4) changed "%~ni" "%%~na"


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