get-files-size.sh

#!/bin/bash

#du -h --max-depth=1|grep "\<[1-9]\{1,\}G"

if [ -n "${1}" ]; then
    CURRENT_USER=${1}
elif [ -n "${USER}" ]; then
    CURRENT_USER=${USER}
else
    echo "Unknown user."
fi

TEMP_FILE=/tmp/${CURRENT_USER}_temp.txt

# Get the size of each directory
# -d is not supported with old version of du
# du -d 1 -h > ${TEMP_FILE}
if [ "`uname -s`" = "Darwin" ]; then
  du -d 1 -h > ${TEMP_FILE}
  ls -alhrS | grep -v -e "^d" | awk '{print $5 "\t" $9}' >> ${TEMP_FILE}
else
  du --max-depth 1 -h > ${TEMP_FILE}
fi
# Add the tailing / to each item
sed -i -e 's/$/&\//g' ${TEMP_FILE}

# Get the size of each file, excluding directories
#ls -ahlS -1 -F | grep -v "/$" | awk '{print $5" \t./" $(9)}' >> ${TEMP_FILE}
ls -alhS -1 -F | grep -v "/$" | awk '{ 
                    printf $5"\t./"$9; 
                    if (NF > 9)
                    { 
                        for(i=10; i<=NF; i++) 
                            {
                                printf " "$i
                            }
                    }
                    printf "\n"
                }' >> ${TEMP_FILE}


echo Listing by size
for unit in T G M K; do  
    cat ${TEMP_FILE} | grep -e "[0-9]${unit}"|sort -nr -k 1
done

rm ${TEMP_FILE}