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If you're willing to accept output with values in each column presented in the same order as they were seen in encountered in the input, you could try something like:
awk '
function...

sort is working on lines, not on columns. So you can't get what I infer from your post you want to get.

Use two files, sort them individually, and paste them together.

You were testing if $10 starts with two numbers, or if the whole line ($0) starts with two numbers and a decimal and another number.


$ echo a b c d e f g h i 1 | awk '$10 ~ /^1/ || $0 ~ /^2/'
a...

If there's two whole numbers before the decimal to qualify as "slow", does it matter if there's a decimal at all?


$ ping www.google.com | awk -F"[= ]" '{ print ($10 ~ /^[0-9][0-9]/)?"SLOW":$0 }'...

You can add print or printf statements in appropriate places in your code.

If you want to build in debugging prints that don't normally print, but can be turned on when needed, you can make the...

awk code consists of a begin, end and middle section. The middle section is executed per record or line and so there is an implicit loop. Any section can be omitted. The section you posted is from...

print is short for print $0, which is the record, the entire line in this case. gsub alters the string specified in the third field. In the first case, $0 does not get altered, in the second case it...

This is an online guide to understanding all the features of awk.

The GNU Awk User's Guide (http://www.gnu.org/software/gawk/manual/gawk.html)

This is sort of de facto guide to awk.

sed &...