function version { echo "$@" | awk -F. '{ printf("%d%03d%03d%03d\n", $1,$2,$3,$4); }'; }

这样用:

if [ $(version $VAR) -ge $(version "6.2.0") ]; then
    echo "Version is up to date"
fi

(来自https://apple.stackexchange.com/a/123408/11374)

你可以递归地拆分。和下面的算法进行比较，从这里开始。如果版本相同则返回10，如果版本1大于版本2则返回11，否则返回9。

#!/bin/bash
do_version_check() {

   [ "$1" == "$2" ] && return 10

   ver1front=`echo $1 | cut -d "." -f -1`
   ver1back=`echo $1 | cut -d "." -f 2-`

   ver2front=`echo $2 | cut -d "." -f -1`
   ver2back=`echo $2 | cut -d "." -f 2-`

   if [ "$ver1front" != "$1" ] || [ "$ver2front" != "$2" ]; then
       [ "$ver1front" -gt "$ver2front" ] && return 11
       [ "$ver1front" -lt "$ver2front" ] && return 9

       [ "$ver1front" == "$1" ] || [ -z "$ver1back" ] && ver1back=0
       [ "$ver2front" == "$2" ] || [ -z "$ver2back" ] && ver2back=0
       do_version_check "$ver1back" "$ver2back"
       return $?
   else
           [ "$1" -gt "$2" ] && return 11 || return 9
   fi
}    

do_version_check "$1" "$2"

源

function version_compare () {
  function sub_ver () {
    local len=${#1}
    temp=${1%%"."*} && indexOf=`echo ${1%%"."*} | echo ${#temp}`
    echo -e "${1:0:indexOf}"
  }
  function cut_dot () {
    local offset=${#1}
    local length=${#2}
    echo -e "${2:((++offset)):length}"
  }
  if [ -z "$1" ] || [ -z "$2" ]; then
    echo "=" && exit 0
  fi
  local v1=`echo -e "${1}" | tr -d '[[:space:]]'`
  local v2=`echo -e "${2}" | tr -d '[[:space:]]'`
  local v1_sub=`sub_ver $v1`
  local v2_sub=`sub_ver $v2`
  if (( v1_sub > v2_sub )); then
    echo ">"
  elif (( v1_sub < v2_sub )); then
    echo "<"
  else
    version_compare `cut_dot $v1_sub $v1` `cut_dot $v2_sub $v2`
  fi
}

### Usage:

version_compare "1.2.3" "1.2.4"
# Output: <

功劳归于@Shellman

对于旧版本/busybox排序。简单的形式提供了粗略的结果，往往奏效。

sort -n

这是特别有用的版本，其中包含alpha符号，如

10.c.3
10.a.4
2.b.5

我的观点是:

vercomp () {
    if [[ "${1}" == "${2}" ]]; then
        echo '0'
        return
    fi
    echo "${1}" | sed 's/\([0-9]\+\)\./\1\n/g' | {
        _RES_=-1
        for _VB_ in $(echo "${2}" | sed 's/\([0-9]\+\)\./\1\n/g'); do
            if ! read -r _VA_ || [[ "${_VB_}" -gt "${_VA_}" ]]; then
                _RES_=1
                break
            fi
        done
        read -r _VA_ && echo '-1' || echo "${_RES_}"
    }
}

语法:

vercomp VERSION_A VERSION_B

打印:

-1如果VERSION_A是最近的版本 如果两个版本相等，则为0 如果VERSION_B是最近的版本，则为1

这里一个有用的技巧是字符串索引。

$ echo "${BASH_VERSION}"
4.4.23(1)-release

$ echo "${BASH_VERSION:0:1}"
4