10 lines
312 B
Text
10 lines
312 B
Text
# Pipe in read-only mode
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%p(ls).open_r.each { |line|
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print line;
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};
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var str1 = `ls`; # backtick: returns a string
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var str2 = %x(ls); # ditto, alternative syntax
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Sys.system('ls'); # system: executes a command and prints the result
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Sys.exec('ls'); # replaces current process with another
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