Show gzipped file size

README.md

gzsize

gzsize shows gzipped file sizes of files in your current working directory.

# For terminal
gzsize

# Markdown table
gzsize -m

# Raw byte size
gzsize -r

gzsize

#!/usr/bin/env bash

POSITIONAL=()
while [[ $# -gt 0 ]]; do
  key="$1"
  case $key in
    -r|--raw)
      RAW=YES
      shift
      ;;
    -m|--markdown)
      MARKDOWN=YES
      shift
      ;;
    *)
      POSITIONAL+=("$1")
      shift
      ;;
  esac
done
# Restore positional parameters
set -- "${POSITIONAL[@]}"

# http://www.kossboss.com/?p=1844
human () {
  echo $1 | awk '{xin=$1;if(xin==0){print "0B";}else{x=(xin<0?-xin:xin);s=(xin<0?-1:1);split("B KiB MiB GiB TiB PiB",type);for(i=5;y < 1;i--){y=x/(2^(10*i));}print y*s "" type[i+2];};}'
}

passthrough () {
  echo $1
}

list () {
  # https://unix.stackexchange.com/questions/197792/joining-bash-arguments-into-single-string-with-spaces
  IFS=" "
  echo "$*"
}

table () {
  printf "|"
  for a in $@; do
    printf "$a|"
  done
  echo
}

mdheader () {
  table "$*"

  printf "|"
  for a in $@; do
    printf -- "-|"
  done
  echo
}

output () {
  header=$1
  row=$2

  $header FILE RAW GZIP
  for file in ./*
  do
    if [ -f $file ]; then
      raw=$(stat -f '%z' $file)
      gzipped=$(gzip -c $file | wc -c)
      $row $(basename $file) $($bytes $raw) $($bytes $gzipped)
    fi
  done
}

if [ $RAW ]; then
  bytes=passthrough
else
  bytes=human
fi

if [ $MARKDOWN ]; then
  output mdheader table
else
  output list list | column -t -s ' '
fi