Question

Is it possible to open a new tab in Mac OS X’s terminal from the command line in a currently opened tab?

I know that the keyboard shortcut to open a new tab in Terminal is “CMD+t” but I am looking for a script-based solution executed in the command line.

Answer 1

Try this:

osascript -e 'tell application "Terminal" to activate' \
  -e 'tell application "System Events" to tell process "Terminal" to keystroke "t" using command down' \
  -e 'tell application "Terminal" to do script "echo hello" in selected tab of the front window'

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But if you need to run dynamic command, set myCommand variable, and replace last line with:

-e "tell application \"Terminal\" to do script \"${myCommand};\" in selected tab of the front window";