mirror of https://github.com/n-hys/bash.git
32 lines
894 B
Plaintext
32 lines
894 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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POSIXLY_CORRECT=1
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x=2
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x+=5 eval printf '"$x "'
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echo "$x"
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unset x
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typeset -i x=2
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x+=5 eval printf '"$x "'
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echo "$x"
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a=1
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a+=4
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echo $a
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# idiotically, ksh93 makes these two cases differ (?)
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a+=5 printenv a
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a+=5 eval printf '"$a "'
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echo $a
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