mirror of
https://github.com/fish-shell/fish-shell
synced 2024-12-28 05:43:11 +00:00
46 lines
1.1 KiB
Fish
46 lines
1.1 KiB
Fish
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function alias --description "Legacy function for creating shellscript functions using an alias-like syntax"
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if count $argv >/dev/null
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switch $argv[1]
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case -h --h --he --hel --help
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__fish_print_help alias
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return 0
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end
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end
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set -l name
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set -l body
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set -l prefix
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switch (count $argv)
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case 0
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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."
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return 1
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case 1
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# Some seds (e.g. on Mac OS X), don't support \n in the RHS
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# Use a literal newline instead
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# http://sed.sourceforge.net/sedfaq4.html#s4.1
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set -l tmp (echo $argv|sed -e "s/\([^=]\)=/\1\\
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/")
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set name $tmp[1]
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set body $tmp[2]
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case 2
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set name $argv[1]
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set body $argv[2]
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case \*
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printf ( _ "%s: Expected one or two arguments, got %d\n") alias (count $argv)
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return 1
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end
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switch (type -t $name)
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case file
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set prefix command
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case builtin
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set prefix builtin
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end
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eval "function $name; $prefix $body \$argv; end"
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end
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