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32 lines
761 B
Text
32 lines
761 B
Text
# $FreeBSD$
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unset LC_ALL
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LC_CTYPE=en_US.ISO8859-1
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export LC_CTYPE
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# Note: the first and last characters are not whitespace.
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# Exclude backslash and newline.
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bad1=`printf %03o \'\\\\`
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bad2=`printf %03o \''
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'`
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e=
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for i in 0 1 2 3; do
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for j in 0 1 2 3 4 5 6 7; do
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for k in 0 1 2 3 4 5 6 7; do
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case $i$j$k in
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000|$bad1|$bad2) continue ;;
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esac
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e="$e\\$i$j$k"
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done
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done
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done
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e=`printf "$e"`
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[ "${#e}" = 253 ] || echo length bad
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r1=`printf '%s\n' "$e" | { read -r x; printf '%s' "$x"; }`
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[ "$r1" = "$e" ] || echo "read with -r bad"
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r2=`printf '%s\n' "$e" | { read x; printf '%s' "$x"; }`
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[ "$r2" = "$e" ] || echo "read without -r bad 1"
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IFS=
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r3=`printf '%s\n' "$e" | { read x; printf '%s' "$x"; }`
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[ "$r3" = "$e" ] || echo "read without -r bad 2"
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