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A copy of the IBM TRSMAIN Utility was obtained from the URL
listed below and used to create a sequential compressed data
set with LRECL=1024.
http://techsupport.services.ibm.com/390/trsmain.html
Once the sequential compressed data set is binary uploaded to an MVS system, it must be uncompressed. During the uncompression TRSMAIN will recreate the original source data set with all its attributes.
Listed below is sample JCL to uncompress a macro data set.
//UNPACK JOB (ACCT),NOTIFY=&SYSUID.,CLASS=A,MSGCLASS=H //* // SET DSN='SHASMAC' //* //**************************************************** //* * //* TRSMAIN WITH UNPACK OPTION * //* * //**************************************************** //STEP EXEC PGM=TRSMAIN,PARM=UNPACK //SYSPRINT DD SYSOUT=* //INFILE DD DISP=SHR,DSN=MVS1.SYS1.V2R10M0.&DSN. //OUTFILE DD DISP=(NEW,CATLG),UNIT=SYSDA, // SPACE=(TRK,(150,150,150),RLSE), // DSN=MVS1.UNPACK.&DSN.