70 lines
763 B
Text
70 lines
763 B
Text
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# weird redirections that caused trouble and were fixed in post-3.0 bash
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stuff()
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{
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c=1
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( sleep 5 < /dev/null >/dev/null 2>&1 & ) &
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}
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exec 3>&1
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eval `
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exec 4>&1 >&3 3>&-
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{
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stuff 4>&-
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echo "c=$c" >&4
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}`
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echo c1 is $c
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unset -f stuff
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stuff()
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{
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c=2
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( sleep 5 < /dev/null >/dev/null 2>&1 & )
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}
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exec 3>&1
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eval `
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exec 4>&1 >&3 3>&-
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{
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stuff 4>&-
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echo "c=$c" >&4
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}`
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echo c2 is $c
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unset -f stuff
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stuff()
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{
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c=3
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{ sleep 5 < /dev/null >/dev/null 2>&1 & } &
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}
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exec 3>&1
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eval `
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exec 4>&1 >&3 3>&-
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{
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stuff 4>&-
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echo "c=$c" >&4
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}`
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echo c3 is $c
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unset -f stuff
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stuff()
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{
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c=4
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{ sleep 5 < /dev/null >/dev/null 2>&1 & }
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}
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exec 3>&1
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eval `
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exec 4>&1 >&3 3>&-
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{
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stuff 4>&-
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echo "c=$c" >&4
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}`
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echo c4 is $c
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# fixed in bash-3.1
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echo 'exec <&3' | ${THIS_SH} 3<&0
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