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2018numeric_cmp
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2018numeric_cmp [2018/09/07 14:01] david [Importance of Testing] |
2018numeric_cmp [2018/09/07 14:01] david [Correct Numeric Comparisons] |
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| You must use the flag operators, or the symbolic operators inside double parentheses, to correctly compare values numerically. | You must use the flag operators, or the symbolic operators inside double parentheses, to correctly compare values numerically. | ||
| For example, say ''a=2'' and ''b=10'': | For example, say ''a=2'' and ''b=10'': | ||
| - | * <nowiki>[ $a -lt $b ]</nowiki> is TRUE | + | * <nowiki>[ 2 -lt 10 ]</nowiki> is TRUE |
| - | * <nowiki>[[ $a -lt $b ]]</nowiki> is TRUE | + | * <nowiki>[[ 2 -lt 10 ]]</nowiki> is TRUE |
| - | * <nowiki>[[ $a -ge $b ]]</nowiki> is FALSE | + | * <nowiki>[[ 2 -ge 10 ]]</nowiki> is FALSE |
| - | * <nowiki>(( $a < $b ))</nowiki> is TRUE | + | * <nowiki>(( 2 < 10 ))</nowiki> is TRUE |
| ===== Incorrect Numeric Comparisons (lexicographic order) ===== | ===== Incorrect Numeric Comparisons (lexicographic order) ===== | ||
2018numeric_cmp.txt · Last modified: 2018/09/07 14:02 by david
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