42 lines
752 B
Bash
42 lines
752 B
Bash
vercomp () {
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if [[ $1 == $2 ]]
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then
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return 0
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fi
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local IFS=.
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local i ver1=($1) ver2=($2)
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# fill empty fields in ver1 with zeros
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for ((i=${#ver1[@]}; i<${#ver2[@]}; i++))
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do
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ver1[i]=0
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done
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for ((i=0; i<${#ver1[@]}; i++))
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do
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if ((10#${ver1[i]:=0} > 10#${ver2[i]:=0}))
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then
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return 1
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fi
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if ((10#${ver1[i]} < 10#${ver2[i]}))
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then
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return 2
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fi
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done
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return 0
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}
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testvercomp () {
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vercomp $1 $2
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case $? in
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0) op='=';;
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1) op='>';;
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2) op='<';;
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esac
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if [[ $op != $3 ]]
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then
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# No update available
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echo "1"
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else
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# Update available
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echo "0"
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fi
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} |