# BEGIN { totallines=0; matched=0 } /^[0-9]+ [a-z|A-Z][a-z|A-Z|0-9|\$|\.]*$/ { matched++; } /^[0-9]+ -- process information unavailable$/ { matched++; } { totallines++; print $0 } END { if ((totallines > 0) && (matched == totallines)) { exit 0 } else { exit 1 } }