Bash conversions

Convert formats

yq is a YAML converter...

yq -o=json test.yml

Convert value scales

#===  FUNCTION  ================================================================
#          NAME:  byteMe
#   DESCRIPTION:  Divides by 2^10 until < 1024 and then append metric suffix
#    PARAMETERS:  Integer
#       RETURNS:  String
#===============================================================================
function byteMe() { 
  declare -a METRIC=(' Bytes' 'KB' 'MB' 'GB' 'TB' 'XB' 'PB') # Array of suffixes
  MAGNITUDE=0  # magnitude of 2^10
  PRECISION="scale=1" # change this numeric value to inrease decimal precision
  local RAW=$1
  echo "RAW $RAW"
  UNITS=$(echo ${RAW} | tr -d ',')  # numeric arg val (in bytes) to be converted
  while [[ "${UNITS/.*}" -ge 1024 ]] # compares integers (b/c no floats in bash)
    do
     UNITS=$(echo "$PRECISION; $UNITS/1024" | bc) # floating point math via `bc`
     ((MAGNITUDE++)) # increments counter for array pointer
  done
  echo "$UNITS${METRIC[$MAGNITUDE]}"
}

RESULT2=$(byteMe ${TOTAL_MEMORY})
++(./linux_check_memory.sh:111): byteMe 33555009536
++(./linux_check_memory.sh:62): byteMe(): METRIC=(' Bytes' 'KB' 'MB' 'GB' 'TB' 'XB' 'PB')
++(./linux_check_memory.sh:62): byteMe(): declare -a METRIC
++(./linux_check_memory.sh:63): byteMe(): MAGNITUDE=0
++(./linux_check_memory.sh:64): byteMe(): PRECISION=scale=1
++(./linux_check_memory.sh:65): byteMe(): local RAW=33555009536
++(./linux_check_memory.sh:66): byteMe(): echo 'RAW 33555009536'
+++(./linux_check_memory.sh:67): byteMe(): echo 33555009536
+++(./linux_check_memory.sh:67): byteMe(): tr -d ,
++(./linux_check_memory.sh:67): byteMe(): UNITS=33555009536
++(./linux_check_memory.sh:68): byteMe(): [[ 33555009536 -ge 1024 ]]
+++(./linux_check_memory.sh:70): byteMe(): echo 'scale=1; 33555009536/1024'
+++(./linux_check_memory.sh:70): byteMe(): bc
++(./linux_check_memory.sh:70): byteMe(): UNITS=32768564.0
++(./linux_check_memory.sh:71): byteMe(): (( MAGNITUDE++ ))
++(./linux_check_memory.sh:68): byteMe(): [[ 32768564 -ge 1024 ]]
+++(./linux_check_memory.sh:70): byteMe(): echo 'scale=1; 32768564.0/1024'
+++(./linux_check_memory.sh:70): byteMe(): bc
++(./linux_check_memory.sh:70): byteMe(): UNITS=32000.5
++(./linux_check_memory.sh:71): byteMe(): (( MAGNITUDE++ ))
++(./linux_check_memory.sh:68): byteMe(): [[ 32000 -ge 1024 ]]
+++(./linux_check_memory.sh:70): byteMe(): echo 'scale=1; 32000.5/1024'
+++(./linux_check_memory.sh:70): byteMe(): bc
++(./linux_check_memory.sh:70): byteMe(): UNITS=31.2
++(./linux_check_memory.sh:71): byteMe(): (( MAGNITUDE++ ))
++(./linux_check_memory.sh:68): byteMe(): [[ 31 -ge 1024 ]]
++(./linux_check_memory.sh:73): byteMe(): echo 31.2GB
+(./linux_check_memory.sh:111): RESULT2='RAW 33555009536
31.2GB'