19 lines
238 B
Text
19 lines
238 B
Text
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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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