I have discovered a workaround: 'firefox -a anything' pops up a profile dialog. The -a option is not documented by 'firefox -h', nor by 'man firefox', but you can discover it by reading the /usr/bin/firefox shell script.
I have discovered a workaround: 'firefox -a anything' pops up a profile dialog. The -a option is not documented by 'firefox -h', nor by 'man firefox', but you can discover it by reading the /usr/bin/firefox shell script.