BAT file for backup postgres schema

@echo off
set PGPASSWORD=prm_salary
set PGUSER=prm_salary
set PGDATABASE=db_ris_mkrpk
set PGBIN="C:\Program Files\PostgreSQL\9.6\bin\"
set t=%date%_%time%
set d=%t:~10,4%%t:~7,2%%t:~4,2%_%t:~15,2%%t:~18,2%%t:~21,2%
set BACKUP_FILE="C:\dumps\prm_salary_%d%.dmp"
set FILELOG="C:\dumps\prm_salary_%d%.log"
(
 echo Backup start %date%  %time% file %BACKUP_FILE%
 %PGBIN%"pg_dump" --schema=prm_salary --format=c --file=%BACKUP_FILE%
 echo End of backup %date%  %time%
)>> %FILELOG% 2>&1
forfiles /p "C:\dumps" /s /m *.log /D -5 /C "cmd /c del @path"
forfiles /p "C:\dumps" /s /m *.dmp /D -5 /C "cmd /c del @path"