fastdu, and arhiver improvements

files/archive_subfolders

@@ -7,32 +7,39 @@ function helpexit() {
     echo "  -n  No compression. Exit after tar archive"
     exit
 }
+function listfolders() {
+   find "$1" -mindepth 1 -maxdepth 1 -type d | sort | tr '\n' '\000'
+}
 function fsize() {
     echo -en "\e[2K\r"
+    [[ -z "$2" ]] || echo -n "$2 -> "
     ls -sh "$1" | xargs echo -n
 }
 
 [[ "$1" = "-h" ]] && helpexit
 
+echo 'Existing files will be overwritten!'
 echo Archive the following folders:
 
-find . -mindepth 1 -maxdepth 1 -type d |  tr \\n " "
+listfolders . | tr "[:cntrl:]" " "
 echo ''
 echo '<ctrl-c> to quit'
 read foo
 
-
-find . -mindepth 1 -maxdepth 1 -type d -print0 | while read -r -d "" d; do
+listfolders . | while read -r -d "" d; do
   echo -n $d
-  tar cvf "$d.tar" $d > "$d.tar.txt" &
+  tar cvf "$d.tar" "$d" > "$d.tar.lst" &
   PID=$!
+  DU=$( nice fastdu -h "$d" & )
+  DUPID=$!
   while kill -0 "$PID" &>/dev/null; do
+    [[ -f "$d.tar" ]] && fsize "$d.tar" "$DU"
     for i in {1..5}; do
         sleep $i; kill -0 "$PID" &>/dev/null || break 2
     done
-    fsize "$d.tar"
   done
-  fsize "$d.tar" 
+  fsize "$d.tar" "$DU"
+  kill -0 "$DUPID" &>/dev/null || kill "$DUPID" &>/dev/null
   echo ''
 done
 [[ "$1" = "-n" ]] && {
@@ -43,17 +50,17 @@ done
     read foo
 }
 
-find . -mindepth 1 -maxdepth 1 -type d -print0 | while read -r -d "" d; do
-  ls -sh "$d.tar"
-  gzip "$d.tar" 
+listfolders . | while read -r -d "" d; do
+  DU=$( fastdu -h "$d.tar" )
+  gzip -f "$d.tar" &
   PID=$!
   while kill -0 "$PID" >/dev/null 2>&1; do
+    [[ -f "$d.tar.gz" ]] && fsize "$d.tar.gz" "$DU"
     for i in {1..5}; do
         sleep $i; kill -0 "$PID" &>/dev/null || break 2
     done
-    fsize "$d.tar.gz"
   done
-  fsize "$d.tar.gz"
+  fsize "$d.tar.gz" "$DU"
   echo '' 
 done
 

files/fastdu

@@ -0,0 +1,39 @@
+#!/bin/bash
+
+function helpexit() {
+    echo "Display file/folder sizes like 'du', but faster and actual byte sizes"
+    echo "Returns only the size as number"
+    echo "  -h       Human readable units"
+    echo "  --help   This help"
+    exit
+}
+function filesize {
+# Return a human readable size from integer of bytes
+# Usage:  filesize 10000
+
+    [ "$1"  = "0" ] && {
+        echo "0 B"
+        return 0
+    }
+
+    awk 'BEGIN{ x = '$1'
+        split("B KB MB GB TB PB EB ZB",type)
+        for(i=7;y < 1;i--)
+            y = x / (2^(10*i))
+        str=int(y*10)/10 " " type[i+2] 
+        if (x==0) { str = "0 B" }
+        print str
+    }' || return $?
+}
+
+[[ -z "$1" ]] && what="."
+[[ "$1" = "-h" ]] && { HUMAN=1; shift 1; }
+[[ "$1" = "--help" ]] && helpexit
+
+SIZE=$( find $what "$@" -type f -printf %s"\n" | awk '{  sum += $1 } END { print int(sum)+0 }' )
+
+[[ "$HUMAN" -eq 1 ]] && {
+    filesize "$SIZE"
+    exit
+}
+echo $SIZE