mirror of https://github.com/n-hys/bash.git
77 lines
1.4 KiB
Plaintext
77 lines
1.4 KiB
Plaintext
# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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OIFS="$IFS"
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IFS=":$IFS"
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eval foo="a:b:c"
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IFS="$OIFS"
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echo $foo
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OIFS=$IFS
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IFS=":$IFS"
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foo=$(echo a:b:c)
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IFS=$OIFS
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for i in $foo
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do
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echo $i
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done
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OIFS=$IFS
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IFS=":$IFS"
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foo=`echo a:b:c`
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IFS=$OIFS
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for i in $foo
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do
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echo $i
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done
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DEFIFS=$' \t\n'
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# local copy of IFS that shadows global version
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function f
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{
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typeset IFS=:
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echo $1
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}
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function ff
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{
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echo $1
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}
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f a:b:c:d:e
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x=a:b:c:d:e
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echo $x
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IFS=: ff a:b:c:d:e
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echo $x
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# doesn't get word split
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IFS=$DEFIFS
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# variable assignment doesn't use new value for word splitting
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IFS=: echo $x
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# but does this time because of the eval
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IFS=: eval echo \$x
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# in posix mode, assignments preceding special builtins and functions are global
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set -o posix
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IFS=: export x
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echo $x
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IFS="$DEFIFS"
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${THIS_SH} ./ifs1.sub
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