What does ${!#} mean in Shell scripting?
7431
How does ${!#} work in bash to get the last command-line argument?
75989
What is '#' operator in C?
138043
What are the specific naming conventions for variables in bash shell scripting language?
42134
Whats the difference between "${foo.bar}" and "#{foo.bar}"?
42368
Why does the exclamation mark `!` sometimes upset bash?
130399
What is the difference between  and !=
112100
What is the meaning of "$" sign in JavaScript
24077
What the #$@&%*! is that called?
55375
What is the $ symbol used for in JavaScript
71607
What's this =! operator?
76281
What does $(command) & do?
122780
What does # mean in Mathematica?
71795
What does the Bash operator <<< (i.e. triple less than sign) mean?
101361
Why does local fn=$(...) mask the $? status code
82369
What does #{...} mean?
120214
What's the difference between <<, <<< and < < in bash?
114539
${1:+"$@"} in /bin/sh