mirror of https://github.com/n-hys/bash.git
96 lines
1.9 KiB
Plaintext
96 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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args() { printf '<%s> ' "$@"; echo; }
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set -- 1 2 3 4 5
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args "${@} ${1}"
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args "${1} ${@}"
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args "${1}${@}${1}"
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args "${1} ${@} ${1}"
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args ${1}"$@"${1}
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args "$@"${1}
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args ${1}"$@"
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args "$@""${1}"
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args "${1}""$@"
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args "${@}foo"
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args ${@}${1}
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args ${@}foo
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IFS=
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args "$@""${1}"
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args "${1}""$@"
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args ${@}${1}
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args ${1}${@}
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args ${@}foo
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echo second set:
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IFS=$' \t\n'
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set -- '1 2' 3 4 5
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args "${@} ${1}"
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args "${1} ${@}"
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args "${1}${@}${1}"
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args "${1} ${@} ${1}"
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args ${1}"$@"${1}
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args "$@"${1}
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args ${1}"$@"
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args "$@""${1}"
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args "${1}""$@"
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args "${@}foo"
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args ${@}${1}
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args ${@}foo
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IFS=
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args "$@""${1}"
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args "${1}""$@"
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args ${@}${1}
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args ${1}${@}
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args ${@}foo
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echo third set:
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IFS=$' \t\n'
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alias declare=typeset
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a(){ echo
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echo '"${@:2}a3 a2" a$1 #works as long as $1 and 3 are swapped'
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echo "${@:2}a3 a2" a$1
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"${@:2}a3 a2" a$1
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echo $?
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a=("${@}");}
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b(){ echo
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echo '"${@:2}b$1 b2" b3 #fails! why?'
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echo "${@:2}b$1 b2" b3
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"${@:2}b$1 b2" b3
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echo $?
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b=("${@}");}
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c(){ echo
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echo '${@:2}c$1 c2 c3 #works as long as quoting omitted'
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echo ${@:2}c$1 c2 c3
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${@:2}c$1 c2 c3
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echo $?
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c=("${@}");}
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a x set y z;declare -p a
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b x set y z;declare -p b
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c x set y z;declare -p c
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