The $GRAB macro takes, or “grabs”, numerical values from the Command Output >a1{397Y}
window and loads them into registers for future use. QRLJ_W^&u
|!q$_at
'SECTION' -> search for this string in the Command Output window; ]I/Vb s
/%4_-C pm
" 2 2 " -> offset two lines (records) and take the second numerical value;