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Escape blank line with cat

grep -v "^$"

Cat / Grep numeric number delimited by comma values stored in third column only numeric and , seperated. 😀
This would be ideal to get the ID’S or any numeric value from log.

cat filetocat.txt | awk '{print $3}' | grep -v [a-z] | grep -v "^$" | tr ',' 'n' | wc -l