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I'm trying to test in a fish shell script for the existence of the figlet binary. Since I use Linux and OS X I cannot rely on the file being in the same location and need to resolve it dynamically. I'm used to doing this with $(which) in bash, which works.

With fish though this does not work properly. Why?

function print_hostname --description 'print hostname' if test -x (which figlet) hostname | figlet end end
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Use type in fish like in Bourne-like shell:

if type -q figlet hostname | figlet end

Or to limit to executables in $PATH (ignoring functions, builtins):

if command -s figlet > /dev/null hostname | figlet end

See also Why not use “which”? What to use then?

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  • The -s long form is --search. Commented Aug 23 at 0:45

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