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# spec/nul-bytes
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#### NUL bytes with echo -e
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case $SH in (dash) exit ;; esac
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echo -e '\0-'
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#echo -e '\x00-'
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#echo -e '\000-'
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## stdout-repr: "\x00-\n"
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## BUG zsh stdout-repr: "\x00\n"
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## N-I dash stdout-json: ""
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#### NUL bytes in printf format
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printf '\0\n'
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## stdout-repr: "\x00\n"
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#### NUL bytes in printf value (OSH and zsh agree)
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case $SH in (dash) exit ;; esac
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nul=$'\0'
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echo "$nul"
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printf '%s\n' "$nul"
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## stdout-repr: "\n\n"
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## OK osh/zsh stdout-repr: "\x00\n\x00\n"
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## N-I dash stdout-json: ""
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#### NUL bytes with echo $'\0' (OSH and zsh agree)
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case $SH in (dash) exit ;; esac
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# OSH agrees with ZSH -- so you have the ability to print NUL bytes without
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# legacy echo -e
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echo $'\0'
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## stdout-repr: "\n"
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## OK osh/zsh stdout-repr: "\0\n"
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## N-I dash stdout-json: ""
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#### NUL bytes and IFS splitting
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case $SH in (dash) exit ;; esac
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argv.py $(echo -e '\0')
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argv.py "$(echo -e '\0')"
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argv.py $(echo -e 'a\0b')
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argv.py "$(echo -e 'a\0b')"
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## STDOUT:
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[]
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['']
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['ab']
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['ab']
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## END
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## BUG zsh STDOUT:
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['', '']
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['']
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['a', 'b']
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['a']
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## END
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## N-I dash STDOUT:
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## END
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#### NUL bytes with test -n
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case $SH in (dash) exit ;; esac
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# zsh is buggy here, weird
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test -n $''
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echo status=$?
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test -n $'\0'
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echo status=$?
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## STDOUT:
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status=1
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status=1
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## END
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## OK osh STDOUT:
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status=1
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status=0
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## END
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## BUG zsh STDOUT:
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status=0
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status=0
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## END
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## N-I dash STDOUT:
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## END
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#### NUL bytes with test -f
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case $SH in (dash) exit ;; esac
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test -f $'\0'
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echo status=$?
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touch foo
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test -f $'foo\0'
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echo status=$?
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test -f $'foo\0bar'
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echo status=$?
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test -f $'foobar'
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echo status=$?
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## STDOUT:
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status=1
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status=0
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status=0
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status=1
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## END
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## OK ash STDOUT:
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status=1
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status=0
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status=1
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status=1
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## END
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## N-I dash STDOUT:
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## END
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#### NUL bytes with ${#s} (OSH and zsh agree)
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case $SH in (dash) exit ;; esac
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empty=$''
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nul=$'\0'
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echo empty=${#empty}
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echo nul=${#nul}
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## STDOUT:
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empty=0
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nul=0
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## END
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## OK osh/zsh STDOUT:
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empty=0
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nul=1
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## END
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## N-I dash STDOUT:
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## END
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