| 1 | ## compare_shells: bash dash mksh zsh ash
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| 2 | ## oils_failures_allowed: 2
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| 3 |
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| 4 | # This file relates to:
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| 5 | #
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| 6 | # - doc/known-differences.md
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| 7 | # - "divergence" tag on github:
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| 8 | # https://github.com/oils-for-unix/oils/issues?q=is%3Aissue%20state%3Aopen%20label%3Adivergence
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| 9 |
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| 10 | #### xz package: dirprefix="${line##*([}"
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| 11 |
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| 12 | # https://oilshell.zulipchat.com/#narrow/channel/502349-osh/topic/alpine.20xz.20-.20.22.24.7Bline.23.23*.28.5B.7D.22.20interpreted.20as.20extended.20glob/with/519718284
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| 13 |
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| 14 | # NOTE: spec/extglob-match shows that bash respects it
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| 15 | #
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| 16 | # echo 'strip ##' ${x##@(foo)}
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| 17 |
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| 18 | shopt -s extglob
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| 19 |
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| 20 |
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| 21 | dirprefix="${line##*([}"
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| 22 | echo "-$dirprefix-"
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| 23 |
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| 24 | # Now try with real data
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| 25 | line='*([foo'
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| 26 | dirprefix="${line##*([}"
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| 27 | echo "-$dirprefix-"
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| 28 |
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| 29 | ## STDOUT:
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| 30 | --
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| 31 | -foo-
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| 32 | ## END
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| 33 |
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| 34 | ## N-I mksh/zsh status: 1
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| 35 | ## N-I mksh/zsh STDOUT:
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| 36 | ## END
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| 37 |
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| 38 |
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| 39 | #### ((( with nested subshells
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| 40 |
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| 41 | # https://oilshell.zulipchat.com/#narrow/channel/502349-osh/topic/.28.28.28.20not.20parsed.20like.20bash/with/518874141
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| 42 |
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| 43 | # spaces help
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| 44 | good() {
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| 45 | cputype=`( ( (grep cpu /proc/cpuinfo | cut -d: -f2) ; ($PRTDIAG -v |grep -i sparc) ; grep -i cpu /var/run/dmesg.boot ) | head -n 1) 2> /dev/null`
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| 46 | }
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| 47 |
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| 48 | bad() {
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| 49 | cputype=`(((grep cpu /proc/cpuinfo | cut -d: -f2) ; ($PRTDIAG -v |grep -i sparc) ; grep -i cpu /var/run/dmesg.boot ) | head -n 1) 2> /dev/null`
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| 50 | #echo cputype=$cputype
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| 51 | }
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| 52 |
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| 53 | good
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| 54 | bad
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| 55 |
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| 56 | ## STDOUT:
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| 57 | ## END
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