🧞‍♀️ Add bash script to generate dummy folders with random data

bin/generatefiles.sh

@@ -0,0 +1,86 @@
+#!/bin/bash
+
+if [ $# -ne 4 -a $# -ne 5 ]
+then
+echo "Usage:  generatefiles <depth> <num of folders per depth> <num of files per folder> <max size of file> [<min size of file>]"
+echo "Examples:"
+echo "$ generatefiles.sh 1  0 10 1024 1024      # Generate 1 root folder with 1 folder with 10 files between 1024 bytes and 1024 bytes"
+echo "$ generatefiles.sh 1  1 1  1024 1024      # Generate 1 root folder with 1 folder with 1 file between 1024 bytes and 1024 bytes"
+echo "$ generatefiles.sh 10 1 1  5120           # Generate 1 folder until 10 levels deep, with 1 file each with max 5120 bytes in size"
+
+exit -1
+fi
+
+declare path=$(pwd)
+declare numDepth=$1
+declare numFolders=$2
+declare numFiles=$3
+declare maxSize=$4
+declare minSize=0
+
+
+CreateFolders(){
+local depth=$1
+local folderRoot=$2
+local name=$3
+CreateFiles $folderRoot folder$name
+if [ $depth -eq $numDepth ]
+then
+    return;
+fi
+local newDepth=$((depth + 1))
+
+local folderIndex=1;
+for (( ; folderIndex <= $numFolders; folderIndex++ ))
+do
+    local folderName=$name-$folderIndex
+    fullFolderName=$folderRoot/folder$folderName
+    mkdir $fullFolderName
+    echo fullFolderName: $fullFolderName
+
+    local newRoot=$folderRoot/folder$folderName
+    CreateFolders "$newDepth" "$newRoot" "$folderName"
+done
+}
+
+CreateFiles()
+{
+    local folderRoot=$1
+    local folderName=$2
+    local fileIndex=1;
+    for (( ; fileIndex <= $numFiles; fileIndex++ ))
+    do
+        local fileName=file$folderName-$fileIndex.txt
+        CreateFile "$fileName" "$folderRoot"
+    done
+}
+
+CreateFile()
+{
+    local fileName=$1
+    local folderRoot=$2
+    local fullFileName=$folderRoot/$fileName
+    echo fullFileName: $fullFileName
+    random32=$(( ( ($RANDOM & 3)<<30 | $RANDOM<<15 | $RANDOM ) & 0x7FFFFFFF ))
+    randomSize=$((random32%$maxSize))
+    if [ $randomSize -lt $minSize ]
+    then
+        randomSize=$minSize
+    fi
+    echo randomSize:$randomSize maxSize:$maxSize
+    perl -pe 'binmode(STDIN, ":bytes"); tr/A-Za-z0-9_\!\@\#\$\%\^\&\*\(\)-+=//dc;' < /dev/urandom | head -c $randomSize > $fullFileName
+}
+
+
+if [ $# -eq 5 ]
+then
+    minSize=$5
+fi
+
+echo path: $path numDepth: $numDepth numFolders: $numFolders numFiles: $numFilesecho maxSize: $maxSize minSize: $minSize
+
+time=$(date -u | tr ": " "--")
+echo $time
+Syncpoint=$path/$time
+mkdir $Syncpoint
+CreateFolders "0" "$Syncpoint" ""