The CLI for Sublime Text.
# To open the current directory in Sublime Text:
subl .
# To open a file or directory in Sublime Text:
subl <path/to/file_or_folder>
# To open a file and jump to a specific line number:
subl <path/to/file>:<line_number>
# To open a file or directory in the currently open window:
subl -a <path/to/file>
# To open a file or directory in a new window:
subl -n <path/to/file>