mirror of https://github.com/n-hys/bash.git
39 lines
1020 B
Plaintext
39 lines
1020 B
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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IFS='' # testing with only empty IFS
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set -- this is a test
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printf '|%s|\n' ${1+"$@"}
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echo
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printf '|%s|\n' "${1+$@}"
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echo
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printf '|%s|\n' "$@"
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echo
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printf '|%s|\n' ${1-"$@"}
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printf '|%s|\n' "${1-$@}"
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echo
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: ${foo:="$@"}
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printf '|%s|\n' "$foo"
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unset foo
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: "${foo:=$@}"
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printf '|%s|\n' "$foo"
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unset foo
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printf '|%s|\n' ${foo-"$@"}
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printf '|%s|\n' "${foo-$@}"
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