[], [[]] (())

[ ]

• [] is same as test basic usage
• test file , test string , test integer
• String : ==, !=
• Integer: -qt, -gt
• logical and, (-a) or (-o)
• > < are NOT allowed

[[ ]]

• logical and, (&&) or (||)
• spaces at both sides of the expression [[ exp ]]
• short circuit for [[ ..&&..&&.. ]] [[ ..||..||.. ]]

--To be finished

<<Back