Bash function to translate redis commands to their pipelined equivalent

redis_pipeline.sh

# Bash function to translate redis commands to their pipelined equivalent
#
# eg.  
# 
# $ redis_p HMSET key value key1 value1
# *5
# $5
# HMSET
# $3
# key
# $5
# value
# $4
# key1
# $6
# value1
# $

function redis_p() {
  declare ARR=(${@:-$(</dev/stdin)})
  OUTPUT="*${#ARR[@]}\r\n"
  for a in "${ARR[@]}"; do
    OUTPUT+="\$${#a}\r\n${a}\r\n"
  done
  echo -ne $"${OUTPUT}"
}