bash scripting

[Tom Guilderson]

I came accros the following construct in a bash script:

if [ ! -f /path_to_file_1 -a -f /path_to_file_2 ] ; then
	execute some stuff
fi

My question is what is the -a option?


TIA

-- 
Tom Guilderson
Applied Technology Team
CVS Pharmacy
401-770-3913
mailto:TWGuilderson at cvs.com
http://www.cvs.com/
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