Use of say command in MAC

sayThis is a fun one: say converts text to speech, using the same TTS engine OS X uses for VoiceOver. Without any options, say will simply speak whatever text you give it out loud.

$ say "Never trust a computer you can't lift."

You can also use say to speak the contents of a text file with the -f flag, and you can store the resulting audio clip with the -o flag:

$ say -f mynovel.txt -o myaudiobook.aiff

The say command can be useful in place of console logging or alert sounds in scripts. For instance, you can set up an Automator or Hazel script to do batch file processing and then announce the task’s completion with say.

But the most enjoyable use for say is rather more sinister: if you have ssh access to a friend or coworker’s Mac, you can silently log into their machine and haunt them through the command line. Give ‘em a Siri-ous surprise.

You can set the voice (and language!) used by say by changing the default setting in the Dictation & Speech panel in System Preferences.

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