GRAB是怎么用的，$GRAB 'SECTION' 2 2 VAR#1_?中2 2 是代表什么意思 ".@SQgyb0  

The $GRAB macro takes, or “grabs”, numerical values from the Command Output ;nC+Kz:  
window and loads them into registers for future use. c/hml4  
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'SECTION'  -> search for this string in the Command Output window; ZU:gNO0  
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" 2 2 "  -> offset two lines (records) and take the second numerical value;