diff options
Diffstat (limited to 'tests/ifs.tests')
-rw-r--r-- | tests/ifs.tests | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/tests/ifs.tests b/tests/ifs.tests new file mode 100644 index 0000000..27f27dd --- /dev/null +++ b/tests/ifs.tests @@ -0,0 +1,76 @@ +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +# +OIFS="$IFS" +IFS=":$IFS" +eval foo="a:b:c" +IFS="$OIFS" +echo $foo + +OIFS=$IFS +IFS=":$IFS" +foo=$(echo a:b:c) +IFS=$OIFS + +for i in $foo +do + echo $i +done + +OIFS=$IFS +IFS=":$IFS" +foo=`echo a:b:c` +IFS=$OIFS + +for i in $foo +do + echo $i +done + +DEFIFS=$' \t\n' + +# local copy of IFS that shadows global version +function f +{ + typeset IFS=: + + echo $1 +} + +function ff +{ + echo $1 +} + +f a:b:c:d:e +x=a:b:c:d:e +echo $x + +IFS=: ff a:b:c:d:e +echo $x + +# doesn't get word split +IFS=$DEFIFS +# variable assignment doesn't use new value for word splitting +IFS=: echo $x +# but does this time because of the eval +IFS=: eval echo \$x + +# in posix mode, assignments preceding special builtins and functions are global +set -o posix +IFS=: export x +echo $x + +IFS="$DEFIFS" + +${THIS_SH} ./ifs1.sub |