tests/split/guard-input.sh

   1 #!/bin/sh
   2 # ensure split doesn't overwrite input with output.
   3
   4 # Copyright (C) 2012-2024 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 seq 10 | tee exp-1 > xaa
  23 ln -s xaa in2
  24 ln xaa in3
  25
  26 returns_ 1 split -C 6 xaa || fail=1
  27 returns_ 1 split -C 6 in2 || fail=1
  28 returns_ 1 split -C 6 in3 || fail=1
  29 returns_ 1 split -C 6 - < xaa || fail=1
  30
  31 compare exp-1 xaa || fail=1
  32
  33 Exit $fail