| Understanding DATA Step Processing |
| Execution
Phase |
Next, the data in columns 15-19 are read and assigned to
IDnum in the program data vector.
data perm.update;
infile invent;
input Item $ 1-13 IDnum $ 15-19
Instock 21-22 BackOrd 24-25;
Total=instock+backord;
run;
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Raw Data File Invent
| 1---+----10---+----V0---+- |
| Bird Feeder LG088• 3 20 |
| 6 Glass Mugs SB082 6 12 |
| Glass Tray BQ049 12 6 |
| Padded Hangrs MN256 15 20 |
| Jewelry Box AJ498 23 0 |
| Red Apron AQ072 9 12 |
| Crystal Vase AQ672 27 0 |
| Picnic Basket LS930 21 0 |
| Brass Clock AN910 2 10 |
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