Log front most application name.
~/Library/LaunchAgents/your.plist
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>Label</key>
<string>macos-app-observer</string>
<key>Username</key>
<string>koyachi</string>
<key>ProgramArguments</key>
<array>
<string>/Users/koyachi/src/github.com/koyachi/macos-app-observer/frontmost_app_name_shebang.js</string>
</array>
<key>StartInterval</key>
<integer>60</integer>
<key>RunAtLoad</key>
<true/>
<key>StandardOutPath</key>
<string>/Users/koyachi/src/github.com/koyachi/macos-app-observer/logs/output.log</string>
<key>StandardErrorPath</key>
<string>/Users/koyachi/src/github.com/koyachi/macos-app-observer/logs/error.log</string>
</dict>
</plist>
/etc/newsyslog.d
# logfilename [owner:group] mode count size when flags [/pid_file] [sig_num]
/Users/koyachi/src/github.com/koyachi/macos-app-observer/logs/output.log koyachi:staff 644 14 * $D0 N
TODO: set when to appropriate time.
$ sudo newsyslog -nv
$ sudo newsyslog
- detect
- sleep
- screen saver
- power on
- power off
- log format
- output logfile
- rotate logfile
- compress logfiles
- visualize logfiles