isx cat
Usage: cat [options]
  Options:
  * -isx
       output isx package (required)
  * -pattern
       input isx pattern (required - can be used multiple times)      
       Wildcards:
           ? single character
           * string                         
           ** path including path separators
       Default: []

eg:
$> mettleci isx cat -isx cat_test2.isx -pattern assets/CleanUser*.isx -pattern assets/ConnectorTest*.isx
loaded "assets\CleanUserDataHC.isx
        added "TEST1-ENGN.DATAMIGRATORS.IO/dstage1/Jobs/CleanUserDataHC.pjb"
loaded "assets\ConnectorTest.isx
        added "TEST1-ENGN.DATAMIGRATORS.IO/dstage1/Jobs/ConnectorTest.pjb"
loaded "assets\CleanUserDataFC.isx
        added "TEST1-ENGN.DATAMIGRATORS.IO/dstage1/Jobs/CleanUserDataFC.pjb"
loaded "assets\ConnectorTest2.isx
        added "TEST1-ENGN.DATAMIGRATORS.IO/dstage1/Jobs/ConnectorTest2.pjb"
loaded "assets\CleanUserData2.isx
        added "TEST1-ENGN.DATAMIGRATORS.IO/dstage1/Jobs/CleanUserData2.pjb"
loaded "assets\CleanUserData.isx
        added "TEST1-ENGN.DATAMIGRATORS.IO/dstage1/Jobs/CleanUserData.pjb"
loaded "assets\CleanUserData3.isx
        added "TEST1-ENGN.DATAMIGRATORS.IO/dstage1/Jobs/CleanUserData3.pjb"
isx cat complete.