Sometimes we need to right justify a numerical input in a character field. We can use four lines in RPG/400 to do so. Assuming the length of FIELD is 8. Its value is '1234 '. And the number of '9' in the second line is the length of FIELD + 1. The final result of FIELD is ' 1234' after user press Enter.
C ' ' SCAN FIELD X 20 99 C 9 SUB X Y 10 C CAT FIELD:Y RESET 8 P C MOVE RESET FIELD P
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This was first published in August 2001