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function alias_if --description "Alias if a program exists"
if test (count $argv) -lt 2
return
end
if command -sq $argv[1]
if test (count $argv) -gt 2
alias $argv[2] "$argv[1] $argv[3..-1]"
else
alias $argv[2] "$argv[1]"
end
end
end
function alias_if_not --description "Alias if a program doesn't exist"
if test (count $argv) -lt 2
return
end
if not command -sq $argv[1]
if test (count $argv) -gt 2
alias $argv[1] "$argv[2] $argv[3..-1]"
else
alias $argv[1] "$argv[2]"
end
end
end
function find_prog --description "Find one or more programs in \$PATH"
for prog in $argv
for search_path in $PATH
if test -x "$search_path/$prog"
echo -n "$prog"
return
end
end
end
end
function ask --description "Ask a question answered by yes or no"
read -n 1 -f -P (set_color -o blue)"::"(set_color normal)" $argv[1] [y/N] " answer
switch $answer
case y Y
return 0 # yes
case '*'
return 1 # no
end
end
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