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packetchef/awk_tips.awk

Created August 1, 2020 16:34
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awk_tips.awk
# How many characters per line?
$ awk '{ print length($0) }'
# How many words per line? Add -F for separator
awk '{ print NF }'
# How do I see a substring? Example, 4 characters starting at position 2
$ awk '{ print substr($0, 2, 4) }'
# Alternative to the above, use cut:
$ cut -c2-4
# Where is my substring?
$ awk '{ print index($0, "string") }'
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