Made releng/auto_printsize ready for FreeBSD ("bash" linked to /bin/sh)

releng/auto_printsize

@@ -55,14 +55,51 @@ FILE_UPPER=10
 printf "\n${SELF}: Generating sample tree in ${GEN_DATA_DIR} :\n"
 count=0
 date
-for ((i1=0; i1 < ${DIR_UPPER}/4; i1++))
+
+# Hopefully the for-loops are much faster than while-loops with arithmetics
+# This needs 7/4*DIR_UPPER+FILE_UPPER (= 66) while-iterations
+#
+i1_list= 
+i1=0
+o1=$(expr ${DIR_UPPER} / 4)
+while test $i1 -lt $o1
 do
-  for ((i2=0; i2 < ${DIR_UPPER}/2; i2++))
+  i1_list="$i1_list $i1"
+  i1=$(expr $i1 + 1)
+done
+i2_list= 
+i2=0
+o2=$(expr ${DIR_UPPER} / 2)
+while test $i2 -lt $o2
+do
+  i2_list="$i2_list $i2"
+  i2=$(expr $i2 + 1)
+done
+i3_list= 
+i3=0
+while test $i3 -lt ${DIR_UPPER}
+do
+  i3_list="$i3_list $i3"
+  i3=$(expr $i3 + 1)
+done
+i_file_list= 
+i_file=0
+while test $i_file -lt ${FILE_UPPER}
+do
+  i_file_list="$i_file_list $i_file"
+  i_file=$(expr $i_file + 1)
+done
+#
+# plus 1/8*DIR_UPPER*DIR_UPPER*DIR_UPPER*FILE_UPPER (= 40960) for-iterations
+#
+for i1 in $i1_list
+do
+  for i2 in $i2_list
   do
-    for ((i3=0; i3 < ${DIR_UPPER}; i3++))
+    for i3 in $i3_list
     do
       mkdir -p ${GEN_DATA_DIR}/DirOne$i1/DirTwo$i2/DirThree$i3
-      for ((i_file=0; i_file < ${FILE_UPPER}; i_file++))
+      for i_file in $i_file_list
       do
         echo -n \
              > ${GEN_DATA_DIR}/DirOne$i1/DirTwo$i2/DirThree$i3/File_${i_file}
@@ -72,6 +109,7 @@ do
   done
   echo "  ${count} files created ..."
 done
+
 printf "done.\n"
 date
 du -s "${GEN_DATA_DIR}"