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novemberkilo/tricks-nk.txt

Last active December 1, 2020 01:37
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cli hints and tricks
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tricks-nk.txt
## Sum the numbers in a column with header 'value'
cat data.csv | xsv select value | tail -n+2 | awk '{ SUM += $1} END { print SUM }'
## xargs with multiple ops -- here drop a column from all csv in this dir and store results
## in another directory
ls | xargs -L 1 -I 'file' sh -c "xsv select '\!original_area_code' 'file' > no_original_area_code/'file'"
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