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Empty string: Difference between revisions
→{{header|BASIC}}
(Added COBOL code.) |
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Line 103:
30 IF A$<>"" THEN PRINT "THE STRING IS NOT EMPTY"
40 END</lang>
=={{header|Batch File}}==
<lang Batch File>
@echo off
::set "var" as a blank string.
set var=
::check if "var" is a blank string.
if not defined var echo Var is a blank string.
::Alternatively,
if %var%@ equ @ echo Var is a blank string.
::check if "var" is not a blank string.
if defined var echo Var is defined.
::Alternatively,
if %var%@ neq @ echo Var is not a blank string.
</lang>
=={{header|BBC BASIC}}==
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