1#!/bin/sh
2# Show that split -a works.
3
4# Copyright (C) 2002-2023 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
20print_ver_ split
21
22a_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
25printf %s $a_z 0 |tr -d ' ' > in || framework_failure_
26
27files=
28for i in $a_z; do
29  files="${files}xa$i "
30done
31files="${files}xba"
32
33for f in $files; do
34  printf "creating file '%s'"'\n' $f
35done > exp || framework_failure_
36
37echo split: output file suffixes exhausted \
38  > exp-too-short || framework_failure_
39
40
41# This should fail.
42split -b 1 -a 1 in 2> err && fail=1
43test -f xa || fail=1
44test -f xz || fail=1
45test -f xaa && fail=1
46test -f xaz && fail=1
47rm -f x*
48compare exp-too-short err || fail=1
49
50# With a longer suffix, it must succeed.
51split --verbose -b 1 -a 2 in > err || fail=1
52compare exp err || fail=1
53
54# Ensure that xbb is *not* created.
55test -f xbb && fail=1
56
57# Ensure that the 27 others files *were* created, and with expected contents.
58n=1
59for 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)
64done
65
66# Ensure that -a is independent of -[bCl]
67split -a2 -b1000 < /dev/null || fail=1
68split -a2 -l1000 < /dev/null || fail=1
69split -a2 -C1000 < /dev/null || fail=1
70
71# Ensure that -a fails early with a -n that is too large
72rm -f x*
73returns_ 1 split -a2 -n1000 < /dev/null || fail=1
74test -f xaa && fail=1
75
76Exit $fail
77