# goimports > Updates Go import lines, adding missing ones and removing unreferenced ones. > More information: . - Display the completed import source file: `goimports {{file}}.go` - Write the result back to the source file instead of the standard output: `goimports -w {{file}}.go` - Display diffs and write the result back to the source file: `goimports -w -d {{file}}.go` - Set the import prefix string after 3rd-party packages (comma-separated list): `goimports -local {{path/to/package}} {{file}}.go`