Smart DFSORT Tricks PDF ftp://ftp.software.ibm.com/storage/dfsort/mvs/sorttrck.pdf 출처 :  http://www-01.ibm.com/support/docview.wss?rs=114&uid=isg3T7000094 Product documentation Abstract Shows you clever ways to use DFSORT and ICETOOL to solve common problems. Content The SORTTRCK paper shows you clever ways to use DFSORT and ICETOOL to perform the tasks listed below. View a PDF version of SORTTRCK  (209KB) List of tricks Introduction: Details of functions used in tricks Introduction: PTF level of functions needed for tricks Update count and total in existing trailer Create large records from small records Create small records from large records Convert between different types of dates Identify invalid dates Extract corresponding weekdays from dates Add/subtract days, months, years for date fields Calculate days between two date fields Use SET and PROC symbols in control statements Limit included OUTFIL records Change ASCII to EBCDIC or