function alias --description "Legacy function for creating shellscript functions using an alias-like syntax" if count $argv >/dev/null switch $argv[1] case -h --h --he --hel --help __fish_print_help alias return 0 end end set -l name set -l body switch (count $argv) case 0 echo "Fish implements aliases using functions. Use 'functions' builtin to see list of functions and 'functions function_name' to see function definition, type 'help alias' for more information." return 1 case 1 # Some seds (e.g. on Mac OS X), don't support \n in the RHS # Use a literal newline instead # http://sed.sourceforge.net/sedfaq4.html#s4.1 set -l tmp (echo $argv|sed -e "s/\([^=]\)=/\1\\ /") set name $tmp[1] set body $tmp[2] case 2 set name $argv[1] set body $argv[2] case \* printf ( _ "%s: Expected one or two arguments, got %d\n") alias (count $argv) return 1 end eval "function $name; $body \$argv; end" end