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29 lines
1.1 KiB
29 lines
1.1 KiB
#! /bin/bash
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# This script gets two arguments:
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# 1) An operand (eq/ne/ge/gt/le/lt)
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# 2) A version number
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# and returns the result of the comparison.
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#
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# Example usage:
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# To test whether the linux kernel version is == 4.3.0 , run the following command:
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# testLinuxKernelVersion eq 4.3.0
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# this function takes a string in version format (s.a 2.6.16) and makes it an integer (00020006001600000000)
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function digit_version { echo $1 | awk -F. '{ printf("%04d%04d%04d\n", $1, $2, $3); }'; }
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script_dir=`dirname $0`
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dist_ver=$(digit_version "`$script_dir/printLinuxKernelVersion`")
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arg_ver=$(digit_version $2)
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case $1 in
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"eq" ) if [ $dist_ver -eq $arg_ver ]; then echo 1; else echo 0; fi;;
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"ne" ) if [ $dist_ver -ne $arg_ver ]; then echo 1; else echo 0; fi;;
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"lt" ) if [ $dist_ver -lt $arg_ver ]; then echo 1; else echo 0; fi;;
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"le" ) if [ $dist_ver -le $arg_ver ]; then echo 1; else echo 0; fi;;
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"gt" ) if [ $dist_ver -gt $arg_ver ]; then echo 1; else echo 0; fi;;
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"ge" ) if [ $dist_ver -ge $arg_ver ]; then echo 1; else echo 0; fi;;
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* ) echo "Bad argument $1 (should be eq/ne/ge/gt/le/lt) " ;;
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esac
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