9 lines
194 B
Text
Executable file
9 lines
194 B
Text
Executable file
case $# in
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1) ;;
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*) echo "usage $0 file";exit ;;
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esac
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head -1 $1>$$.head
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tail -1 $1>$$.tail
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tail +2 $1|sort +0.3|tail +2>$$.middle
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cat $$.head $$.middle $$.tail >$1
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rm $$.head $$.middle $$.tail
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