Name
[[ ]]
Synopsis
[[ expression
]]
Same as test expression or [ expression ], except that [[ ]] allows additional operators. Word splitting and filename expansion are disabled. Note that the brackets ([ ]) are typed literally and that they must be surrounded by whitespace.
Additional operators
- &&
Logical AND of test expressions (short circuit).
- ||
Logical OR of test expressions (short circuit).
- <
First string is lexically “less than” the second.
- >
First string is lexically “greater than” the second.
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