query: What does [ "${-#*i}" != "$-" ] do in sh?
positive_passages.docid: 27742
positive_passages.text: What does "${-#*i}" != "$-" mean?
negative_passages.docid: 108681
negative_passages.text: What is the $? (dollar question mark) variable in shell scripting?
negative_passages.docid: 38906
negative_passages.text: What is the "-->" operator in C/C++?
negative_passages.docid: 134273
negative_passages.text: Bash: Why does this Brace Expression work this way?
negative_passages.docid: 143719
negative_passages.text: How does !! work in bash?
negative_passages.docid: 55094
negative_passages.text: How to show $i^{-1} = -i$?
negative_passages.docid: 156273
negative_passages.text: What is the difference between "var=${var:-word}" and "var=${var:=word}"?
negative_passages.docid: 85735
negative_passages.text: Arrow operator (->) usage in C
negative_passages.docid: 28734
negative_passages.text: Why is "a" != "a" in C?
negative_passages.docid: 67917
negative_passages.text: what does $('') do?
negative_passages.docid: 11975
negative_passages.text: What does $@ mean in a shell script?
negative_passages.docid: 120900
negative_passages.text: ${!FOO} and zsh
negative_passages.docid: 75335
negative_passages.text: Bash test: what does "=~" do?
negative_passages.docid: 19993
negative_passages.text: C preprocessor # and ## operators
negative_passages.docid: 94766
negative_passages.text: How does double arrow (=>) operator work in Perl?
negative_passages.docid: 98451
negative_passages.text: Why can't I echo the characters #! in a string in bash?
negative_passages.docid: 101523
negative_passages.text: Why is using `<<-` frowned upon and how can I avoid it?