Bash 比較Linux 版本

func_uname_gt(){ v=0;
read v</proc/sys/kernel/osrelease&&v=${v%%-*}||return 1;
A=$(echo $v|$exe_awk 'BEGIN {FS="."};{print($1=="")?0:$1}').$(echo $v|$exe_awk 'BEGIN {FS="."};{print($2=="")?0:$2}')$(echo $v|$exe_awk 'BEGIN {FS="."};{print($3=="")?0:$3}');
B=$(echo $1|$exe_awk 'BEGIN {FS="."};{print($1=="")?0:$1}').$(echo $1|$exe_awk 'BEGIN {FS="."};{print($2=="")?0:$2}')$(echo $1|$exe_awk 'BEGIN {FS="."};{print($3=="")?0:$3}');
echo $A $B|$exe_awk '{print($1>$2)?0:1}'&&return 0;return 1;};

func_uname_gt 2.1.7;