2 # Ensure that cat -E produces same output as cat, module `$'s,
3 # even when applied to a file in /proc.
5 # Copyright (C) 2006 Free Software Foundation, Inc.
7 # This program is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 3 of the License, or
10 # (at your option) any later version.
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with this program; if not, write to the Free Software
19 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
22 if test "$VERBOSE" = yes; then
28 t0=`echo "$0"|sed 's,.*/,,'`.tmp; tmp=$t0/$$
29 trap 'status=$?; cd "$pwd" && chmod -R u+rwx $t0 && rm -rf $t0 && exit $status' 0
30 trap '(exit $?); exit $?' 1 2 13 15
33 mkdir -p $tmp || framework_failure=1
34 cd $tmp || framework_failure=1
36 if test $framework_failure = 1; then
37 echo "$0: failure in testing framework" 1>&2
44 echo "$0: no $f skipping this test" 1>&2
50 # Yes, parts of /proc/cpuinfo might change between cat runs.
51 # If that happens, consider choosing a file that's less likely to change,
52 # or just filter out the changing lines. The sed filter should help
53 # to avoid any spurious numeric differences.
54 cat -E $f | sed 's/[0-9][0-9]*/D/g' | tr -d '$' > out || fail=1
55 cat $f | sed 's/[0-9][0-9]*/D/g' | tr -d '$' > exp || fail=1
58 test $fail = 1 && diff out exp 2> /dev/null
60 (exit $fail); exit $fail