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Task/Empty-string/Tcl/empty-string-2.tcl
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Task/Empty-string/Tcl/empty-string-2.tcl
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if {[string equal $s ""]} {puts "is empty"}
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if {[string length $s] == 0} {puts "is empty"}
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if {[string compare $s ""] != 0} {puts "is non-empty"}
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