36 lines
736 B
Bash
36 lines
736 B
Bash
vercomp() {
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if [[ $1 == $2 ]]; 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++)); do
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ver1[i]=0
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done
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for ((i = 0; i < ${#ver1[@]}; i++)); do
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if ((10#${ver1[i]:=0} > 10#${ver2[i]:=0})); then
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return 1
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fi
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if ((10#${ver1[i]} < 10#${ver2[i]})); 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 ]]; 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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}
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