The short answer is echo bunny(seq 6) Longer answer: In keeping with fish’s philosophy of replacing magical syntax with concrete commands, we should hunt for a Unix command that substitutes for the syntactic construct {1..6}. seq fits the bill; it outputs numbers in some range, and in this case, integers from 1 to 6. fish … Read more
You should use a C-style for loop to accomplish this: for ((i=1; i<=$1; i++)); do echo $i done This avoids external commands and nasty eval statements.
In this particular example, it makes no difference. However, the {} in ${} are useful if you want to expand the variable foo in the string “${foo}bar” since “$foobar” would instead expand the variable identified by foobar. Curly braces are also unconditionally required when: expanding array elements, as in ${array[42]} using parameter expansion operations, as … Read more