116 lines
1.8 KiB
Plaintext
116 lines
1.8 KiB
Plaintext
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ls -laF
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print @get-jobs
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print $(get-jobs)
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(defun a (a b c)
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ddddd
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)
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fun a (a b c) => e f
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e = 20
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f = 30
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end
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class t
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fun a(a b c) => e f
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while a < b
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if a < b
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else
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end
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end
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for i = 1 to 20
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end
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end
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end
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#####################################################
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$() <--- process execution expansion
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{...} <--- range?
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[ 1 2 3 ] <--- array
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#() <-- array???
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#[] <-- hash table??
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#{} <-- ???
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#<> <--?
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$() <---
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$[] <---
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${} <---
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$<> <---
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if cmd
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end
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while cmd
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end
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fun fib a
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let a = 20 <-- use it as if it's an declaration + init??
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"let" a = 20 <--- call the command let
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@a = 20 <-- lvalue
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$a <-- rvalue
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return $a
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end
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"fun" fib a <--- call the command 'fun', fun it not special??
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function name as lvalue? function name as rvalue??
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fib 10 <--- call the function.
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let x = fib <--- what is this syntax? assigning the function fib to x? it's not call?
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let x = $[fib]
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let x = $[fib < /dev/null >/dev/null]
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$(fib a) <-- capture
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@a = $[fib 20] <-- capture return value
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@a = $(fib 20) <-- capture stdout??
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@a = $[fib $[ls -laF]]
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@a = $[fib $(ls -laF)]
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complex expression inside $[] and $()??
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$(
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printf "abc";
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if ...
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...
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else
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...
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end
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)
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class X ### class X Y <--- Y is a parent class?
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names := #[] <- array?
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tools := #{} <- hash table?
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fun __construct name
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names.add name
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let k := 20
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k := $(20 + 30)
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return k
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@names<20> = "jelly"
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@tools<"donkey"> = names;
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@tools.donkey = names?
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@k = $tools.donkey >>>> "${tools.donkey}" ${tools.donkey} "${tools}.donkey"
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end
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fun say_hi msg
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print msg
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ls -laF << execute external command if the global variable PATH is not null
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<< external command is disabled if PATH is null
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/bin/ls -alF << if the command begins with /, it still allows execution if this feature is not disabled
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return 20
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end
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end
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