@echo off
SET PG_BIN=C:\PostgreSQL\10\bin\PGPASSWORD="5432" pg_dump.exe
SET PG_HOST=localhost
SET PG_PORT=5432
SET PG_DATABASE=sistema
SET PG_USER=postgres
SET PG_PASSWORD=5432
SET PG_PATH=C:%HOMEPATH%\Downloads

echo Respaldo de PostgreSQL
IF exist %PG_BIN% %PG_BIN% -h %PG_HOST% -p %PG_PASSWORD% -U %PG_USER% -F c -v -d %PG_DATABASE% -f %PG_PATH%\res.dump

pause