Shell Programming and Scripting

Input File1 

CID1  --- TYP1 --- DCN1 --- INDATE1 --- IN-DATA1
CID2  --- TYP2 --- DCN2 --- INDATE2 --- IN-DATA2
CID3  --- TYP1 --- DCN3 --- INDATE3 --- IN-DATA3
CID4  --- TYP1 --- DCN4 --- INDATE4 --- IN-DATA4
CID5  --- TYP1 --- DCN5 --- INDATE5 --- IN-DATA5

Input File2 

CID2  --- TYP2 --- DCN2 --- OUTDATE2 --- OUT-DATA2
CID3  --- TYP1 --- DCN3 --- OUTDATE3 --- OUT-DATA3
CID1  --- TYP1 --- DCN1 --- OUTDATE1 --- OUT-DATA1
CID4  --- TYP1 --- DCN4 --- OUTDATE4 --- OUT-DATA4
CID5  --- TYP1 --- DCN5 --- OUTDATE5 --- OUT-DATA5

Expected output
----------------
CID: CID1
DCN: DCN1
Type: TYP1
INDATE1: Req data: IN-DATA1
OUTDATE1: resp data: OUT-DATA1
-----------------
CID: CID2
DCN: DCN2
Type: TYP2
INDATE2: Req data: IN-DATA2
OUTDATE2: resp data: OUT-DATA2
-------------------
CID ID: CID3
DCN: DCN3
Type: TYP1
INDATE3: Req data: IN-DATA3
OUTDATE3: resp data: OUT-DATA3

awk -F"--- " '
        NR == FNR {
                A[$1] = $(NF-1) FS $NF
                next
        }
        $1 in A {
                split ( A[$1], T )
                print "CID:", $1
                print "DCN:", $3
                print "Type:", $2
                print T[1] ": Req data: " T[2]
                print $(NF-1) ": resp data: " $NF
                print "---------------------------------------"
        }
' file1 file2

awk -F ' *--- *' '
NR == 1 {
	f2n = FILENAME
}
FNR == NR {
	od2[$1] = $4 ": resp data: " $5
	next
}
{	print "-----------------"
	printf("CID: %s\nDCN: %s\nType: %s\n%s: Req data: %s\n%s\n",
		$1, $3, $2, $4, $5, od2[$1])
}' File2 File1