function is empty in split format
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= NAME =is_empty
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= SYNOPSIS =is_empty <parameter>
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= DESCRIPTION =Checks is it's argument is the empty string. If so, prints an error and exits.
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This routine is used internally by several routines to check that theirown parameters were non-empty.
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This routine is used internally by several routines to check that theirown parameters were non-empty.
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= EXAMPLES =Here are some sample invocations:{{{#!YellowBox is_empty $1}}}
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= ENVIRONMENT and ARGUMENTS = * $1 is
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= RETURN =Returns if the parameter is non-empty. Exits otherwise.
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= SOURCE =Located in ''scripts/functions.sh''
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= SEE ALSO =
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