npm install -g markdown-table-cli
curl -s https://raine.github.io/ramda-json-docs/latest.json | \
  R 'project <[ name sig category ]>' \
    'map evolve sig: (-> it and "`#it`"), name: -> "[`#it`](https://ramdajs.com/docs/##it)"' \
  | md-table

cat *.json | R --slurp merge-all

cat data.json | R --unslurp --compact identity

find . -name '*.txt' | R -r --slurp 'map -> (it): read-file it' merge-all

mongoexport -d test -c zips --jsonArray -q '{state: "NY"}' --sort '{pop: -1}' |\
  R identity -o table | less -F

$ identify test.png
test.png PNG 594x472 594x472+0+0 8-bit sRGB 187KB 0.000u 0:00.009
$ img-tag test.png
<img src="test.png" width="594" height="472">

#!/usr/bin/env bash
identify "$1" | R -Rr \
  'match /(^.+?) .+\b(\d+)x(\d+)\b/' \
  'tail' \
  'zip-obj [\src, \width, \height]' \
  'h \img, _' \
  '.outer-HTML' \
  'replace "<\/img>", ""'

'f=parse-int >> (/ 2); evolve width: f, height: f' \

query-es 'url:catpics' | R --import strftime -s -o table -c \
  'count-by -> strftime("%R", new Date it.time)'

git clone git@github.com:samayo/country-data.git

cat src/country-{population,continent,domain-tld}.json | R --slurp -o table -c \
  'unnest' \
  'group-by (.country)' \
  'map-obj merge-all' \
  'values'

cat src/country-population.json | R --import approximate-number -o table -c \
  'sort-by prop \population'
  'map evolve population: approximate-number'
  'reverse'

#!/usr/bin/env bash
# First aws command gets the immediate prefixes under photo/, second the sum
# of objects' sizes and count for each prefix.
aws s3api list-objects --bucket my-bucket --prefix photo/ --delimiter '/' |\
  R --raw-output '.CommonPrefixes' 'pluck \Prefix' 'map split "/"' 'map nth 1' |\
  xargs -P4 -I % aws s3api list-objects --bucket my-bucket --prefix photo/% \
    --query '{%: [sum(Contents[].Size), length(Contents[])]}' |\
  R --raw-output --slurp \
    merge-all to-pairs \
    'map -> zip-with ((k,v) -> "#k.#{it.0}:#v|g"), <[ s3_total_size s3_count ]>, it.1' \
    flatten \
    "map concat '$statsd__prefix.'" |\
  xargs -t -n1 ./statsd-client