awk '/^-- ASN1START/,/^-- ASN1STOP/' < 38331-i00.txt |  awk '!/^[[:space:]]*--/ && !/^[[:space:]]*$/' > 38331-i00-reference.asn
awk '!/^[[:space:]]*--/ && !/^[[:space:]]*$/' 38331-i00-descriptions-grouped-by-IE.asn > 38331-i00-descriptions-grouped-by-IE.check.asn
diff -B -b 38331-i00-descriptions-grouped-by-IE.check.asn 38331-i00-reference.asn

awk '!/^--/ && !/^[:space:]*$/'  38331-j30.asn  > reference.asn
cat reference.asn | sed -e 's/--.*$//g' > reference-integrated.asn
awk '!/^[[:space:]]*--/ && !/^[[:space:]]*$/' 38331-j30-descriptions-with-fields.asn | sed -e 's/--.*$//g' > check-integrated.asn
diff -b -B check-integrated.asn reference-integrated.asn |less
awk '!/^[:space:]*--/ && !/^[:space:]*$/' 38331-j20-descriptions-with-fields.asn > check-afer-asn.asn
diff check-afer-asn.asn reference.asn  |less
awk '/^-- ASN1START/,/^-- ASN1STOP/' < 38331-i00.txt | awk '!/^--/ && !/^[:space:]*$/' > reference.asn