> subset(extrafont::fonttable(), grepl("Arial", FontName))
   package                         afmfile
20      NA              Arial Black.afm.gz
21      NA        Arial Bold Italic.afm.gz
22      NA               Arial Bold.afm.gz
23      NA             Arial Italic.afm.gz
24      NA                    Arial.afm.gz
25      NA             Arial Narrow.afm.gz
26      NA        Arial Narrow Bold.afm.gz
27      NA Arial Narrow Bold Italic.afm.gz
28      NA      Arial Narrow Italic.afm.gz
29      NA       Arial Rounded Bold.afm.gz
30      NA            Arial Unicode.afm.gz
                                                          fontfile
20              /System/Library/Fonts/Supplemental/Arial Black.ttf
21        /System/Library/Fonts/Supplemental/Arial Bold Italic.ttf
22               /System/Library/Fonts/Supplemental/Arial Bold.ttf
23             /System/Library/Fonts/Supplemental/Arial Italic.ttf
24                    /System/Library/Fonts/Supplemental/Arial.ttf
25             /System/Library/Fonts/Supplemental/Arial Narrow.ttf
26        /System/Library/Fonts/Supplemental/Arial Narrow Bold.ttf
27 /System/Library/Fonts/Supplemental/Arial Narrow Bold Italic.ttf
28      /System/Library/Fonts/Supplemental/Arial Narrow Italic.ttf
29       /System/Library/Fonts/Supplemental/Arial Rounded Bold.ttf
30            /System/Library/Fonts/Supplemental/Arial Unicode.ttf
                   FullName            FamilyName               FontName  Bold
20              Arial Black           Arial Black            Arial-Black FALSE
21        Arial Bold Italic                 Arial     Arial-BoldItalicMT  TRUE
22               Arial Bold                 Arial           Arial-BoldMT  TRUE
23             Arial Italic                 Arial         Arial-ItalicMT FALSE
24                    Arial                 Arial                ArialMT FALSE
25             Arial Narrow          Arial Narrow            ArialNarrow FALSE
26        Arial Narrow Bold          Arial Narrow       ArialNarrow-Bold  TRUE
27 Arial Narrow Bold Italic          Arial Narrow ArialNarrow-BoldItalic  TRUE
28      Arial Narrow Italic          Arial Narrow     ArialNarrow-Italic FALSE
29    Arial Rounded MT Bold Arial Rounded MT Bold     ArialRoundedMTBold FALSE
30         Arial Unicode MS      Arial Unicode MS         ArialUnicodeMS FALSE
   Italic Symbol afmsymfile
20  FALSE  FALSE         NA
21   TRUE  FALSE         NA
22  FALSE  FALSE         NA
23   TRUE  FALSE         NA
24  FALSE  FALSE         NA
25  FALSE  FALSE         NA
26  FALSE  FALSE         NA
27   TRUE  FALSE         NA
28   TRUE  FALSE         NA
29  FALSE  FALSE         NA
30  FALSE  FALSE         NA