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That's because of the different lengths of $6 (1 or 2) resulting in a different FS count after it, so sometimes "ALA" shows up in $8, sometimes in $9, and the fields to follow as well.

Hi,

The awk statement when you just leave out -F"[ ]" .
awk -v SRCH="$AAA" '$0 ~ SRCH && !OCC[$6]++ {CNT++ } END {print CNT+0}' "$i"
renders 8


I would suggest slightly modifying it to...

You definitely need to split your pipeline into single commands and analyse each one of them separately in order to identify what is going wrong. I don't know the voronota command, what it requires,...

Hi Aurimas,

Single quotes are ' characters. Within single quotes SHELL variables are not expanded, that only happens within double quotes ( " )

awk uses the -v var=value option as a way to pass...

/.../ in awk is a regex constant, so it tries to match two uppercase "A" (AA)in your above case. Drop the slashes to match the contents of variable AA.