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Knowing how to do loops in awk is helpful to address a range of fields. If for example, we want to output only from second, to prior to last field. Say we’ve got :

one:two:three:four:five:six:seven:eight:nine

Fields are here defined by “:” separator, so using:

awk -F ':' '{for(i=2;i<NF;i++) printf "%s:",$i}'




We will get:

two:three:four:five:six:seven:eight:

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