119 lines
2.7 KiB
Bash
Executable File
119 lines
2.7 KiB
Bash
Executable File
#!/bin/bash
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function helpexit() {
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echo "Display file/folder sizes like 'du', but faster and actual byte sizes"
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echo "Returns only the size as number"
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echo " -h Human readable units"
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echo " -s Summary mode, otherwise each argument folder calculated separate"
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echo " -c Count files instead of summarizing sizes"
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echo " -a Display animation while counting"
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echo " --help This help"
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exit
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}
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function filesize() {
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# Return a human readable size from integer of bytes
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# Usage: filesize 10000
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[ "$1" = "0" ] && {
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echo "0 B"
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return 0
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}
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awk 'BEGIN{ x = '$1'
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split("B kB MB GB TB PB EB ZB",type)
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for(i=7;y < 1;i--)
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y = x / (2^(10*i))
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str=int(y*10)/10 " " type[i+2]
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if (i==-1) { str = x " B" }
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print str
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}' || return $?
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}
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function siprefix() {
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# Return a SI prefixed string from integer
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[ "$1" = "0" ] && {
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echo "0 "
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return 0
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}
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awk 'BEGIN{ x = '$1'
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split("_ k M G T P E Z",type)
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for(i=7;y < 1;i--)
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y = x / (10^(3*i))
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str=int(y*10)/10 " " type[i+2]
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if (i==-1) { str = x " " }
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print str
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}' || return $?
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}
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function animate() {
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CHARS="|/-__-\\"
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i=0
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while true; do
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sleep 0.2
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printf "\r%s\r" ${CHARS:$i:1} >&2
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i=$(( (i + 1)%${#CHARS} ))
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done
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}
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function processfolder() {
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if [[ "$COUNT" -eq 1 ]]; then
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countfiles "$@"
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else
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displaysize "$@"
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fi
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}
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function countfiles() {
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SIZE=$( find "$@" -type f -printf %s"\n" 2>/dev/null | awk '{ sum += 1 } END { print int(sum)+0 }' )
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[[ "$HUMAN" -eq 1 ]] && {
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SIZE=$( siprefix "$SIZE" )
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}
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echo "${SIZE}"
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}
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function displaysize() {
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SIZE=$( find "$@" -type f -printf %s"\n" 2>/dev/null | awk '{ sum += $1 } END { print int(sum)+0 }' )
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[[ "$HUMAN" -eq 1 ]] && {
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SIZE=$( filesize "$SIZE" )
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}
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echo "$SIZE"
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}
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# Get options
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what=()
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for (( i=1; i<=$#; i++ )); do
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[[ "${!i}" = "--help" ]] && helpexit
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[[ "${!i}" = "-h" ]] && { HUMAN=1; continue; }
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[[ "${!i}" = "-c" ]] && { COUNT=1; continue; }
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[[ "${!i}" = "-s" ]] && { SUMMARY=1; continue; }
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[[ "${!i}" = "-a" ]] && { ANIMATE=1; continue; }
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what+=( "${!i}" )
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done
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[[ -z "${what[@]}" ]] && what="."
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# If only one entry, dont print the name
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[[ "${#what[@]}" -eq 1 ]] && SUMMARY=1
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if [[ "$ANIMATE" -eq 1 ]]; then
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animate &
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fi
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if [[ "$SUMMARY" -eq 1 ]]; then
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# Display one line
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processfolder "${what[@]}"
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else
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if [[ "$HUMAN" -eq 1 ]]; then
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FORMAT="%8s %s\n"
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else
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FORMAT="%d\t%s\n"
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fi
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# One size for each argument
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for dir in "${what[@]}"; do
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printf "$FORMAT" "$( processfolder "$dir" )" "$dir"
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done
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fi
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if [[ "$ANIMATE" -eq 1 ]]; then
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kill %1
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fi
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