mirror of
https://https.git.savannah.gnu.org/git/bash.git
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Chet Ramey
44 lines
1.2 KiB
Plaintext
44 lines
1.2 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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foo[0]=a
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foo[1]=b
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[[ -v foo[1] ]] && echo foo index 1: ok
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[[ -v foo[2] ]] || echo foo index 2: ok
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[[ -v foo ]] && echo foo: implicit reference to element 0: ok
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typeset -i foo
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[[ -v foo[1] ]] && echo foo: arithmetic evaluation: ok
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typeset -a bar
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bar[1]=set
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[[ -v bar ]] || echo bar: array with element zero unset: ok
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[[ -v bar[0] ]] || echo bar: element zero: ok
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typeset -a qux
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[[ -v qux ]] || echo qux: unset array: ok
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[[ -v qux[0] ]] || echo qux: unset array element 0: ok
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unset -v a
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a[1]=set
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[[ -v a ]] ; echo $?
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[[ -v a[1] ]] ; echo $?
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[[ -v a[@] ]] ; echo $?
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[[ ${#a[@]} > 0 ]]; echo $?
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