mirror of https://github.com/n-hys/bash.git
57 lines
1.5 KiB
Plaintext
57 lines
1.5 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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# problems with non-fatal expansion errors through bash-4.3
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: ${THIS_SH:=./bash}
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${THIS_SH} -c 'echo ${x!y} second
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echo after 1: $?' 2>/dev/null
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${THIS_SH} -c 'echo ${#+} second
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echo after 2: $?' 2>/dev/null
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${THIS_SH} -c 'echo ${#foo%} second
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echo after 3: $?' 2>/dev/null
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${THIS_SH} -c 'b[0]=4 ; echo ${b[ ]}
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echo array after 1: $?' 2>/dev/null
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${THIS_SH} -c 'typeset -A v ; v["0"]=one ; echo ${v[ ]}
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echo array after 2: $?' 2>/dev/null
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${THIS_SH} -c 'echo ${uvar?}' ./errors6.sub
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${THIS_SH} -c 'echo ${uvar:?}' ./errors6.sub
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export uvar=
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${THIS_SH} -c 'echo ${uvar?}' ./errors6.sub
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${THIS_SH} -c 'echo ${uvar:?}' ./errors6.sub
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unset uvar
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echo "${-3:-${-3}}"
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echo ${-3}
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x=-3; echo ${!x}
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echo after indir: $?
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function ivar() { echo -n "${!1:-${1}}"; }
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ivar -3
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foo=bar
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echo ${!foo}
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echo ${!foo:-unset}
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echo ${!var:-unset}
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echo ${!var+unset}
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foo=invalid-ident
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echo ${!foo}
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echo ${!foo:-unset}
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echo ${!foo+unset}
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