2. START STOP READ TRANS REC READ OLDM REC Yes No Yes No eof(TRANS) eof(OLDM) eof(OLDM) Write OLDM rec to NEWM file READ OLDM REC Yes No CHECK TRANS CODE No M D I ERROR ERROR Write TRANS rec to NEWM file READ TRANS REC eof(TRANS) Yes No STOP A 1 2 3 > > > <
3. No COMPARE TRANS KEY AND OLDM KEY < = > CHECK TRANS CODE M D I ERROR ERROR Write TRANS rec to NEWM file 1 CHECK TRANS CODE M D I Write CHANGED rec to NEWM file 3 ERROR MAKE CHANGES Write OLDM rec to NEWM file READ OLDM REC 2 1 2 3 > > > < 2 2 START READ TRANS REC READ OLDM REC Yes No eof(TRANS) eof(OLDM) Yes
4. A COMPARE TRANS KEY AND OLDM KEY < = > CHECK TRANS CODE M D I ERROR ERROR Write TRANS rec to NEWM file 1 CHECK TRANS CODE M D I Write CHANGED rec to NEWM file 3 ERROR MAKE CHANGES Write OLDM rec to NEWM file READ OLDM REC 2
