In my case I had a .sql file with hundreds of insert statements and I wanted to run all of them, I was left with two options namely manually entering every command via copy and paste or executing the file. I went for the second option and it worked. I used Postgres 8.4 on the command line on a Ubuntu machine.
Please follow the following steps
- Connect to the relevant database eg.
sudo -u postgres psql MYDB
- Then run
\i means execute commands from file
- All commands will be executed.