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| operator | is greater-equal, >= | ||||
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| Summary | Boolean A value of true if the first numeric expression is equal to or greater than the second, and false otherwise. Using  | 
expression1 (IS GREATER-EQUAL | >=) expression2
Logical operator indicating "greater than or equal to". Can also be substituted with the punctuation operator >=. The result is true if the first numeric expression is equal to or greater than the second, and false otherwise. isnt greater-equal reverses these results. 
isnt greater-equal has the same usage as is less-than (<).
For example:
do when a >=b ... done
| Related Syntax is less-than | 
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