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I would like a method for starting a program when another program starts. Specifically, I’d like a to open a MS Word document and have my citation manager open simultaneously (EndNote supports this function within MS Word preferences, but I recently switched citation managers).

I’d like to be able to open any existing Word document on my drive and trigger the second program. The same question was recently answered for the windows 7 environment.

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This is a great question, I would also like to know how to close one program when another closes. Can this be done the same way? –  Mike Kormendy Apr 25 at 8:30
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up vote 2 down vote accepted

Try saving a property list like this as ~/Libary/LaunchAgents/test.plist and loading it with launchctl load ~/Libary/LaunchAgents/test.plist.

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC -//Apple Computer//DTD PLIST 1.0//EN
<plist version="1.0">
    <string>tell application "System Events"
    set p to name of processes
    if p contains "TextEdit" and p does not contain "Mail"
    do shell script "open -gja Mail"

open -j (--hide) was added in 10.8. open -jg sometimes opens a new visible window if an application is running but has no open windows.

If StartInterval is 9 seconds or less, the program just gets throttled.

com.apple.launchd.peruser.501[128]: (test) Throttling respawn: Will start in 7 seconds
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Can we close either application when the other closes in the same method? –  Mike Kormendy Apr 25 at 8:31
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