Strange perl syntax ( $$ ) in sub routine
66357
What does the function declaration "sub function($$)" mean?
100299
Using dollar sign in shell scripting
35426
Why does echo $$ return a number?
38430
In PHP, what does the ${$ } syntax do?
92713
Latex question “Missing $ inserted
19369
How can I use $variable in a shell brace expansion of a sequence?
52730
How can I use a variable as a variable name in Perl?
108681
What is the $? (dollar question mark) variable in shell scripting?
134273
Bash: Why does this Brace Expression work this way?
136561
Why aren't newlines being printed in this Perl code?
25478
What does ${1+"$@"} mean in a shell script, and how does it differ from "$@"?
18570
using $$ in a post causes strange number series to appear
10632
sed regular expression behaving differently than in vim and perl?
100756
How can I treat command-line arguments as UTF-8 in Perl?
7431
How does ${!#} work in bash to get the last command-line argument?
7253
How does $ work in NASM, exactly?
42134
Whats the difference between "${foo.bar}" and "#{foo.bar}"?