tests/split/suffix-length.sh

   1 #!/bin/sh
   2 # Show that split -a works.
   3
   4 # Copyright (C) 2002-2024 Free Software Foundation, Inc.
   5
   6 # This program is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  18
  19 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  20 print_ver_ split
  21
  22 a_z='a b c d e f g h i j k l m n o p q r s t u v w x y z'
  23
  24 # Generate a 27-byte file
  25 printf %s $a_z 0 |tr -d ' ' > in || framework_failure_
  26
  27 files=
  28 for i in $a_z; do
  29   files="${files}xa$i "
  30 done
  31 files="${files}xba"
  32
  33 for f in $files; do
  34   printf "creating file '%s'"'\n' $f
  35 done > exp || framework_failure_
  36
  37 echo split: output file suffixes exhausted \
  38   > exp-too-short || framework_failure_
  39
  40
  41 # This should fail.
  42 split -b 1 -a 1 in 2> err && fail=1
  43 test -f xa || fail=1
  44 test -f xz || fail=1
  45 test -f xaa && fail=1
  46 test -f xaz && fail=1
  47 rm -f x*
  48 compare exp-too-short err || fail=1
  49
  50 # With a longer suffix, it must succeed.
  51 split --verbose -b 1 -a 2 in > err || fail=1
  52 compare exp err || fail=1
  53
  54 # Ensure that xbb is *not* created.
  55 test -f xbb && fail=1
  56
  57 # Ensure that the 27 others files *were* created, and with expected contents.
  58 n=1
  59 for f in $files; do
  60   expected_byte=$(cut -b $n in)
  61   b=$(cat $f) || fail=1
  62   test "$b" = "$expected_byte" || fail=1
  63   n=$(expr $n + 1)
  64 done
  65
  66 # Ensure that -a is independent of -[bCl]
  67 split -a2 -b1000 < /dev/null || fail=1
  68 split -a2 -l1000 < /dev/null || fail=1
  69 split -a2 -C1000 < /dev/null || fail=1
  70
  71 # Ensure that -a fails early with a -n that is too large
  72 rm -f x*
  73 returns_ 1 split -a2 -n1000 < /dev/null || fail=1
  74 test -f xaa && fail=1
  75
  76 Exit $fail