Shell Programming and Scripting

cat file1 
com.acc.invm:FNS_PROD 94.0.5 
com.acc.invm:FNS_TEST_DCCC_Mangment 94.1.6 
com.acc.invm:FNS_APIPlat_BDMap 100.0.9 
com.acc.invm:SendEmail 29.6.113 
com.acc.invm:SendSms 12.23.65 

cat file2 
com.acc.invm:FNS_PROD 94.0.5 
com.acc.invm:FNS_TEST_DCCC_Mangment 94.0.6 
com.acc.invm:FNS_APIPlat_BDMap 100.0.10

com.acc.invm:FNS_TEST_DCCC_Mangment 94.1.6
com.acc.invm:SendEmail 29.6.113 
com.acc.invm:SendSms 12.23.65

join -a1 file1 file2 | awk '$2 > $3 {print $1,$2}'

cat tst.awk 
{ split($2,a,/\./); curr = a[1]*10000 + a[2]*100 + a[3] } 
NR==FNR { prev[$1] = curr; next } 
!($1 in prev) || (curr > prev[$1]) 

 $ /usr/bin/nawk -f tst.awk file2 file1

FILE1=file1
FILE2=file2
while IFS=":" read _ DESC VER
do
	ver=$(awk -v DESC="$DESC" '/DESC/ {print $2}' $FILE2|sed s,"\[|\]",,)
	printf '%s\n' \
		"Version number handling here:" \
		"$DESC: $VER (f1) ~= $ver (f2)"
done<$FILE1