query: Difference between [ and [[ in if statements
positive_passages.docid: 141961
positive_passages.text: What is the difference between [[ $a == z* ]] and [ $a == z* ]?
negative_passages.docid: 105788
negative_passages.text: Why is `[` a shell builtin and `[[` a shell keyword?
negative_passages.docid: 83053
negative_passages.text: Difference between [square brackets] and *asterisk
negative_passages.docid: 37188
negative_passages.text: Difference between '.' , '?' and '*' in regular expressions?
negative_passages.docid: 25358
negative_passages.text: What is the differences between &> and 2>&1
negative_passages.docid: 130399
negative_passages.text: What is the difference between  and !=
negative_passages.docid: 69495
negative_passages.text: Difference between \if and \ifx
negative_passages.docid: 126535
negative_passages.text: Does the break statement break out of loops or only out of if statements?
negative_passages.docid: 153083
negative_passages.text: Does the equal sign make a difference in brace initialization? eg. 'T a = {}' vs 'T a{}'
negative_passages.docid: 135424
negative_passages.text: Difference between "or" and || in Ruby?
negative_passages.docid: 10298
negative_passages.text: Difference between == and === in JavaScript
negative_passages.docid: 97291
negative_passages.text: if(!x) vs if(x==false) in ruby
negative_passages.docid: 113601
negative_passages.text: What is the difference between .*? and .* regular expressions?
negative_passages.docid: 16540
negative_passages.text: Difference between \big[ and \bigl[
negative_passages.docid: 82566
negative_passages.text: Why should I use $[ EXPR ] instead of $(( EXPR ))?
negative_passages.docid: 19555
negative_passages.text: Difference between >>> and >>
negative_passages.docid: 127039
negative_passages.text: What is the difference between & and && in Java?