f33f84d2f2
$x = getenv("NAME")
$y = defaultenv("NOTEXIST", "defaultvalue")
$z = hasenv("NAME")
$a = env()
$b = maplookup($a, "NAME", "defaultvalue")
21 lines
519 B
Plaintext
21 lines
519 B
Plaintext
# read and print environment variable
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# env TEST=123 EMPTY= ./mgmt run --tmp-prefix --lang=examples/lang/env0.mcl --converged-timeout=5
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$x = getenv("TEST", "321")
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print "print1" {
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msg => printf("the value of the environment variable TEST is: %s", $x),
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}
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$y = getenv("DOESNOTEXIT", "321")
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print "print2" {
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msg => printf("environment variable DOESNOTEXIT does not exist, defaulting to: %s", $y),
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}
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$z = getenv("EMPTY", "456")
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print "print3" {
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msg => printf("same goes for epmty variables like EMPTY: %s", $z),
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}
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