arc279

redis-cli -n 0 --eval test.lua 0 '*' 10

arc279

redis.replicate_commands()

local cr = 0
local b = {}
while true do
	local a = redis.call("SCAN", cr, "MATCH", "????", "COUNT", 10)

	for i, v in ipairs(a[2]) do
		local j = cjson.encode({v, v, v})
		redis.call("SET", v, j)

arc279

#!/bin/bash

function dump_redis_hash_to_json() {
    # redis の hash をjsonに出力
    key=$1
    num=$2
    output=$3

    cr=0
    while true; do

arc279

#!/bin/bash

while read x; do
    fold -s1 <<<"$x" | while read y; do
        [ ! -z $y ] && printf "\x1b[%dm  \x1b[0m" $((y+40)) || printf "  "
    done
    echo
done <<EOD
               00
             00330

arc279

$ cat <<EOD | jq -c '.[]'
> [ [ 11, 12, 13 ], [ 21, 22, 23 ], [ 31, 32, 33 ] ]
> EOD
[11,12,13]
[21,22,23]
[31,32,33]
$
$ cat <<EOD | jq -c '.[]' | jq -s 'reduce .[] as $i ([]; .+[$i])'
> [ [ 11, 12, 13 ], [ 21, 22, 23 ], [ 31, 32, 33 ] ]
> EOD

arc279

#!/bin/bash

cat a.tsv | nkf -Lu | \
while IFS=$'\n' read x; do
    echo "$x" | tr "\t" "\n" | while read y; do
        # unquote
        echo "$(eval echo $y)"
    done | jo -a
done

arc279

#!/bin/bash

a=(1 2 3 4 5)

b=(a b c d e)

paste -d ',' <(printf "%s\n" "${a[@]}") <(printf "%s\n" "${b[@]}")

arc279

#!/bin/bash

rm -rf f1 f2
mkfifo f1
mkfifo f2
cat $0 | tee >(tac | cat -n > f1)  >(cat -n > f2) >/dev/null

paste f1 f2 -d $'\n'

arc279

[
  {
    "id": "1-key",
    "attr": "1-value"
  },
  {
    "id": "2-key",
    "attr": "2-value"
  },
  {

arc279

#!/bin/bash

function data() {
    printf "%s\n" $(echo {1..10}{a..c}) | while read x; do
        NUM=${x:0: -1}
        CATE=${x: -1}
        printf "%s\t%s\t%s\n" $NUM $CATE value_$NUM$CATE
    done
}