VSAM: Delete all the records in a KSDS file thru JCL

The below simple job will delete all records from a KSDS file

//STEP1  EXEC PGM=IDCAMS

//SYSIN DD *

 ALTER RXSXX49.TSTS.IND REUSE

//SYSPRINT DD SYSOUT=*

//*

//STEP2  EXEC PGM=IDCAMS

//DD1 DD DUMMY

//DD2 DD DSN=RXSXX49.TSTS.IND,DISP=OLD

//SYSIN DD *

 REPRO INFILE(DD1) -

 OUTFILE(DD2) REUSE

//SYSPRINT DD SYSOUT=*

//*

//STEP3  EXEC PGM=IDCAMS

//SYSIN DD *

 ALTER RXSXX49.TSTS.IND NOREUSE

//*