38 lines
608 B
Plaintext
38 lines
608 B
Plaintext
|
#!@prefix@/bin/fish
|
||
|
|
||
|
function seq -d "Print a sequnce of numbers"
|
||
|
|
||
|
set -l from 1
|
||
|
set -l step 1
|
||
|
set -l to 1
|
||
|
|
||
|
switch (count $argv)
|
||
|
case 1
|
||
|
set to $argv[1]
|
||
|
|
||
|
case 2
|
||
|
set from $argv[1]
|
||
|
set to $argv[2]
|
||
|
|
||
|
case 3
|
||
|
set from $argv[1]
|
||
|
set step $argv[2]
|
||
|
set to $argv[3]
|
||
|
|
||
|
case '*'
|
||
|
printf (_ "%s: Expected 1, 2 or 3 arguments, got %d\n") seq (count $argv)
|
||
|
return 1
|
||
|
|
||
|
end
|
||
|
|
||
|
for i in $from $step $to
|
||
|
if not echo $i | grep '^-\?[0-9]*\(\|.[0-9]\+\)$' >/dev/null
|
||
|
printf (_ "%s: '%s' is not a number\n") seq $i
|
||
|
return 1
|
||
|
end
|
||
|
end
|
||
|
|
||
|
echo "for( i=$from; i<$to ; i+=$step ) i;" | bc
|
||
|
|
||
|
end
|