mirror of https://github.com/n-hys/bash.git
93 lines
1.9 KiB
Plaintext
93 lines
1.9 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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wdir=$PWD
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# this is needed because posix mode restricts tilde expansion to assignment
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# statements preceding a command, instead of the default of expanding all
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# assignment statements on the line (e.g., after `export'). Without this,
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# the next-to-last test fails
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set +o posix
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HOME=/usr/xyz
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SHELL=~/bash
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echo ~ch\et
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echo ~/"foo"
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echo "~chet"/"foo"
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echo \~chet/"foo"
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echo \~chet/bar
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echo ~\chet/bar
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echo ~chet""/bar
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echo ":~chet/"
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echo abcd~chet
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echo "SHELL=~/bash"
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echo $SHELL
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echo abcd:~chet
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path=/usr/ucb:/bin:~/bin:~/tmp/bin:/usr/bin
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echo $path
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cd /usr
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cd /tmp
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echo ~-
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echo ~+
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XPATH=/bin:/usr/bin:.
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# yes tilde expansion
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PPATH=$XPATH:~/bin
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echo "$PPATH"
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# no tilde expansion
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PPATH="$XPATH:~/bin"
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echo "$PPATH"
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# yes tilde expansion
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export PPATH=$XPATH:~/bin
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echo "$PPATH"
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declare -x PPATH=$XPATH:~/bin
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echo "$PPATH"
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# no tilde expansion
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export PPATH="$XPATH:~/bin"
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echo "$PPATH"
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declare -x PPATH="$XPATH:~/bin"
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echo "$PPATH"
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printf "%q\n" '~'
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# more tests of tilde expansion when executing case commands
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case ~ in
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$HOME) echo ok 1;;
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*) echo bad 1 ;;
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esac
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case ~ in
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~) echo ok 2 ;;
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\~) echo bad 2a ;;
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*) echo bad 2b ;;
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esac
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case $unset in
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"") echo ok 3 ;;
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*) echo bad 3 ;;
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esac
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USER=root # should exist just about everywhere
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echo ~$USER
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cd "$wdir"
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echo foo=bar:~
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set -o posix; echo foo=bar:~
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exit 0
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