t/lib-unique-files.sh

   1 # Helper to create files with unique contents
   2
   3 # Create multiple files with unique contents within this test run. Takes the
   4 # number of directories, the number of files in each directory, and the base
   5 # directory.
   6 #
   7 # test_create_unique_files 2 3 my_dir -- Creates 2 directories with 3 files
   8 #                                        each in my_dir, all with contents
   9 #                                        different from previous invocations
  10 #                                        of this command in this run.
  11
  12 test_create_unique_files () {
  13         test "$#" -ne 3 && BUG "3 param"
  14
  15         local dirs="$1" &&
  16         local files="$2" &&
  17         local basedir="$3" &&
  18         local counter="0" &&
  19         local i &&
  20         local j &&
  21         test_tick &&
  22         local basedata="$basedir$test_tick" &&
  23         rm -rf "$basedir" &&
  24         for i in $(test_seq $dirs)
  25         do
  26                 local dir="$basedir/dir$i" &&
  27                 mkdir -p "$dir" &&
  28                 for j in $(test_seq $files)
  29                 do
  30                         counter=$((counter + 1)) &&
  31                         echo "$basedata.$counter">"$dir/file$j.txt"
  32                 done
  33         done
  34 }