/usr/share/fish/functions/math.fish is in fish-common 2.2.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | function math --description "Perform math calculations in bc"
if count $argv >/dev/null
switch $argv[1]
case -h --h --he --hel --help
__fish_print_help math
return 0
end
set -l out (echo $argv|env BC_LINE_LENGTH=0 bc)
test -z "$out"; and return 1
echo $out
switch $out
case 0
return 1
end
return 0
end
return 2
end
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