21 lines
720 B
Plaintext
21 lines
720 B
Plaintext
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#=== FUNCTION ================================================================
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# NAME: assert
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# DESCRIPTION: Abort the script if assertion is false.
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# PARAMETERS: expression : assertion
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# [linenumber] : use $LINENO
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# [functionname] : use $FUNCNAME
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# RETURNS: 99 : exit error status
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#===============================================================================
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function assert ()
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{
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if [ ! $1 ]
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then
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local linenumber=""
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local functionname=""
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[ -n "$2" ] && linenumber=": line $2"
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[ -n "$3" ] && functionname=": function '$3'"
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echo "File '$0' $linenumber$functionname: assertion '$1' failed."
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exit 99
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fi
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}
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