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Execute a system command: Difference between revisions
→{{header|Racket}}
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<lang R>system("ls")
output=system("ls",intern=TRUE)</lang>
=={{header|Racket}}==
<lang Racket>
#lang racket
;; simple execution of a shell command
(system "ls")
;; capture output
(string-split (with-output-to-string (λ() (system "ls"))) "\n")
;; Warning: passing random string to be run in a shell is a bad idea!
;; much safer: avoids shell parsing, arguments passed separately
(system* "/bin/ls" "-l")
;; avoid specifying the executable path
(system* (find-executable-path "/bin/ls") "-l")
</lang>
=={{header|Raven}}==
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