You're taking the scenic route, running multiple awk multiple unneeded times. On top:
- You're reading a line (from where? terminal, I presume?) to no avail - the variable is not used anywhere any...
Please be aware that the md5sum of '10,abc' will NEVER be 73aca49763216fb96bbc2acef7b60afb as it is case sensitive.
Looks like you want a comma included. Try
awk -F\| '
NR == 1 {for (i=1;...