Sublime Macro to put a semicolon at the end of the line and return

semiEnder.sublime-macro

// Place this file within Packages/User of your Sublime install folder

[
    { "command": "set_mark" },
    { "command": "move_to", "args": {"to": "eol"} },
    { "command": "insert_snippet", "args": {"contents": "${TM_LINE_TERMINATOR:;}"} },
    { "command": "swap_with_mark" }
]

/*
Place the entry below in Preferences -> Key Bindings : User
Change the keys section to whatever binding you want
{
  "keys": ["alt+;"],
  "command": "run_macro_file",
  "args": {"file": "Packages/User/semiEnder.sublime-macro"}
}
*/