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2024-10-05 07:00:02

如何比较两个字符串在点分开的版本格式在Bash?

是否有办法在bash上比较这些字符串，例如:2.4.5和2.8和2.4.5.1?

当前回答

我不喜欢这些解决方案，因为它们漏洞百出、不可移植等等。

我(目前)努力提出一个更好的解决方案……src: version_compare(),测试

Sorta-copied /贴在这里……

来源:

##
# Compare two versions.
#
# **Usage:** version_compare version1 operator version2
#
# - operator:
#
#   + ``lesser_than``, ``-lt``, ``<``
#   + ``lesser_than_or_equal``, ``-le``, ``<=``
#   + ``greater_than``, ``-gt``, ``>``
#   + ``greater_than_or_equal``, ``-ge``, ``>=``
#   + ``equal``, ``-eq``, ``==``
#   + ``not_equal``, ``-ne``, ``!=``
#
# - version{1,2}: arbitrary version strings to compare
#
# **Version Format:** ``[0-9]+($VERSION_SEPARATOR[0-9]+)*`` (i.e. 1, 1.0, 90, 1.2.3.4)
#
# **Returns:** true if comparison statement is correct
##
version_compare() {
    _largest_version "$1" "$3"; _cmp="$(printf '%s' "$?")"

    # Check for valid responses or bail early
    case "$_cmp" in
        1|0|2) :;;
        *) _die "$_cmp" 'version comparison failed';;
    esac

    # The easy part
    case "$2" in
        'lesser_than'|'-lt'|'<')
            [ "$_cmp" = '2' ] && return 0
            ;;
        'lesser_or_equal'|'-le'|'<=')
            [ "$_cmp" = '0' ] && return 0
            [ "$_cmp" = '2' ] && return 0
            ;;
        'greater_than'|'-gt'|'>')
            [ "$_cmp" = '1' ] && return 0
            ;;
        'greater_or_equal'|'-ge'|'>=')
            [ "$_cmp" = '1' ] && return 0
            [ "$_cmp" = '0' ] && return 0
            ;;
        'equal'|'-eq'|'==')
            [ "$_cmp" = '0' ] && return 0
            ;;
        'not_equal'|'-ne'|'!=')
            [ "$_cmp" = '1' ] && return 0
            [ "$_cmp" = '2' ] && return 0
            ;;
        *) _die 7 'Unknown operatoration called for version_compare().';;
    esac
    return 1
}

##
# Print a formatted (critical) message and exit with status.
#
# **Usage:** _die [exit_status] message
#
# - exit_status: exit code to use with script termination (default: 1)
# - message: message to print before terminating script execution
##
_die() {
        # If first argument was an integer, use as exit_status
        if [ "$1" -eq "$1" ] 2>/dev/null; then
                _exit_status="$1"; shift
        else
                _exit_status=1
        fi

        printf '*** CRITICAL: %s ***\n' "$1"
        exit "$_exit_status"
}

##
# Compare two versions.
# Check if one version is larger/smaller/equal than/to another.
#
# **Usage:** _largest_version ver1 ver2
#
# Returns: ($1 > $2): 1 ; ($1 = $2): 0 ; ($1 < $2): 2
# [IOW- 1 = $1 is largest; 0 = neither ; 2 = $2 is largest]
##
_largest_version() (
    # Value used to separate version components
    VERSION_SEPARATOR="${VERSION_SEPARATOR:-.}"

    for _p in "$1" "$2"; do
        [ "$(printf %.1s "$_p")" = "$VERSION_SEPARATOR" ] &&
            _die 7 'invalid version pattern provided'
    done

    # Split versions on VER_SEP into int/sub
    _v="$1$2"
    _v1="$1"
    _s1="${1#*$VERSION_SEPARATOR}"
    if [ "$_v1" = "$_s1" ]; then
        _s1=''
        _m1="$_v1"
    else
        _m1="${1%%$VERSION_SEPARATOR*}"
    fi
    _v2="$2"
    _s2="${2#*$VERSION_SEPARATOR}"
    if [ "$_v2" = "$_s2" ]; then
        _s2=''
        _m2="$_v2"
    else
        _m2="${2%%$VERSION_SEPARATOR*}"
    fi

    # Both are equal
    [ "$_v1" = "$_v2" ] && return 0

    # Something is larger than nothing (30 < 30.0)
    if [ -n "$_v1" ] && [ ! -n "$_v2" ]; then
        return 1
    elif [ ! -n "$_v1" ] && [ -n "$_v2" ]; then
        return 2
    fi

    # Check for invalid
    case "$_m1$_m2" in
        *[!0-9]*)
            _die 7 'version_compare called with unsupported version type'
            ;;
    esac

    # If a ver_sep is present
    if [ "${_v#*$VERSION_SEPARATOR}" != "$_v" ]; then
        # Check for a larger "major" version number
        [ "$_m1" -lt "$_m2" ] && return 2
        [ "$_m1" -gt "$_m2" ] && return 1

        # Compare substring components
        _largest_version "$_s1" "$_s2"; return "$?"
    else
        # Only integers present; simple integer comparison
        [ "$_v1" -lt "$_v2" ] && return 2
        [ "$_v1" -gt "$_v2" ] && return 1
    fi
)

测试:

# Simple test of all operators
( version_compare '1' 'lesser_than' '2' ); [ "$?" = '0' ] || return 1
( version_compare '2' 'equal' '2' ); [ "$?" = '0' ] || return 1
( version_compare '3' 'not_equal' '1' ); [ "$?" = '0' ] || return 1
( version_compare '2' 'greater_than' '1' ); [ "$?" = '0' ] || return 1
( version_compare '1' '-lt' '2' ); [ "$?" = '0' ] || return 1
( version_compare '2' '-eq' '2' ); [ "$?" = '0' ] || return 1
( version_compare '3' '-ne' '1' ); [ "$?" = '0' ] || return 1
( version_compare '2' '-gt' '1' ); [ "$?" = '0' ] || return 1

# Semver test of primary operators (expect true)
( version_compare '7.0.1' '-lt' '7.0.2' ); [ "$?" = '0' ] || return 1
( version_compare '7.0.2' '-eq' '7.0.2' ); [ "$?" = '0' ] || return 1
( version_compare '3.0.2' '-ne' '2.0.7' ); [ "$?" = '0' ] || return 1
( version_compare '7.0.2' '-gt' '7.0.1' ); [ "$?" = '0' ] || return 1

# Semver test of primary operators (expect false)
( version_compare '7.0.2' '-lt' '7.0.1' ); [ "$?" = '1' ] || return 1
( version_compare '3.0.2' '-eq' '2.0.7' ); [ "$?" = '1' ] || return 1
( version_compare '7.0.2' '-ne' '7.0.2' ); [ "$?" = '1' ] || return 1
( version_compare '7.0.1' '-gt' '7.0.2' ); [ "$?" = '1' ] || return 1

# Mismatched version strings (expect true)
( version_compare '7' '-lt' '7.1' ); [ "$?" = '0' ] || return 1
( version_compare '3' '-ne' '7.0.0' ); [ "$?" = '0' ] || return 1
( version_compare '7.0.1' '-gt' '7' ); [ "$?" = '0' ] || return 1

# Mismatched version strings (expect false)
( version_compare '7.0.0' '-eq' '7.0' ); [ "$?" = '1' ] || return 1

# Invalid operation supplied
( version_compare '2' '-inv' '1' >/dev/null ); [ "$?" = '7' ] || return 1

# Invalid version formats
( version_compare '1..0' '==' '1.0' >/dev/null ); [ "$?" = '7' ] || return 1
( version_compare '1.0' '==' '1..0' >/dev/null ); [ "$?" = '7' ] || return 1
( version_compare '1.0' '==' '1.0b7' >/dev/null ); [ "$?" = '7' ] || return 1
( version_compare '1.0a' '==' '1.0' >/dev/null ); [ "$?" = '7' ] || return 1

# "how does that handle comparing 10.0.0 (not a number) to 2.0 (a number)?"
( version_compare '10.0.0' '-lt' '2.0' ); [ "$?" = '1' ] || return 1
( version_compare '10.0' '-gt' '2.0.0' ); [ "$?" = '0' ] || return 1

# not less/greater-than... but equal
( version_compare '7' '-lt' '7' ); [ "$?" = '1' ] || return 1
( version_compare '7' '-gt' '7' ); [ "$?" = '1' ] || return 1

# String vs. numerical comparison
( version_compare '1.18.1' '-gt' '1.8.1' ); [ "$?" = '0' ] || return 1


# Random tests found on the internet
( version_compare '1' '==' '1' ); [ "$?" = '0' ] || return 1
( version_compare '2.1' '<' '2.2' ); [ "$?" = '0' ] || return 1
( version_compare '3.0.4.10' '>' '3.0.4.2' ); [ "$?" = '0' ] || return 1
( version_compare '4.08' '<' '4.08.01' ); [ "$?" = '0' ] || return 1
( version_compare '3.2.1.9.8144' '>' '3.2' ); [ "$?" = '0' ] || return 1
( version_compare '3.2' '<' '3.2.1.9.8144' ); [ "$?" = '0' ] || return 1
( version_compare '1.2' '<' '2.1' ); [ "$?" = '0' ] || return 1
( version_compare '2.1' '>' '1.2' ); [ "$?" = '0' ] || return 1
( version_compare '5.6.7' '==' '5.6.7' ); [ "$?" = '0' ] || return 1
( version_compare '1.01.1' '==' '1.1.1' ); [ "$?" = '0' ] || return 1
( version_compare '1.1.1' '==' '1.01.1' ); [ "$?" = '0' ] || return 1
( version_compare '1' '!=' '1.0' ); [ "$?" = '0' ] || return 1
( version_compare '1.0.0' '!=' '1.0' ); [ "$?" = '0' ] || return 1
2020-11-28 10:12:04

其他回答

### the answer is does we second argument is higher
function _ver_higher {
        ver=`echo -ne "$1\n$2" |sort -Vr |head -n1`
        if [ "$2" == "$1" ]; then
                return 1
        elif [ "$2" == "$ver" ]; then
                return 0
        else
                return 1
        fi
}

if _ver_higher $1 $2; then
        echo higher
else
        echo same or less
fi

它非常简单和小。

2013-06-05 12:14:13

我不喜欢这些解决方案，因为它们漏洞百出、不可移植等等。

我(目前)努力提出一个更好的解决方案……src: version_compare(),测试

Sorta-copied /贴在这里……

来源:

##
# Compare two versions.
#
# **Usage:** version_compare version1 operator version2
#
# - operator:
#
#   + ``lesser_than``, ``-lt``, ``<``
#   + ``lesser_than_or_equal``, ``-le``, ``<=``
#   + ``greater_than``, ``-gt``, ``>``
#   + ``greater_than_or_equal``, ``-ge``, ``>=``
#   + ``equal``, ``-eq``, ``==``
#   + ``not_equal``, ``-ne``, ``!=``
#
# - version{1,2}: arbitrary version strings to compare
#
# **Version Format:** ``[0-9]+($VERSION_SEPARATOR[0-9]+)*`` (i.e. 1, 1.0, 90, 1.2.3.4)
#
# **Returns:** true if comparison statement is correct
##
version_compare() {
    _largest_version "$1" "$3"; _cmp="$(printf '%s' "$?")"

    # Check for valid responses or bail early
    case "$_cmp" in
        1|0|2) :;;
        *) _die "$_cmp" 'version comparison failed';;
    esac

    # The easy part
    case "$2" in
        'lesser_than'|'-lt'|'<')
            [ "$_cmp" = '2' ] && return 0
            ;;
        'lesser_or_equal'|'-le'|'<=')
            [ "$_cmp" = '0' ] && return 0
            [ "$_cmp" = '2' ] && return 0
            ;;
        'greater_than'|'-gt'|'>')
            [ "$_cmp" = '1' ] && return 0
            ;;
        'greater_or_equal'|'-ge'|'>=')
            [ "$_cmp" = '1' ] && return 0
            [ "$_cmp" = '0' ] && return 0
            ;;
        'equal'|'-eq'|'==')
            [ "$_cmp" = '0' ] && return 0
            ;;
        'not_equal'|'-ne'|'!=')
            [ "$_cmp" = '1' ] && return 0
            [ "$_cmp" = '2' ] && return 0
            ;;
        *) _die 7 'Unknown operatoration called for version_compare().';;
    esac
    return 1
}

##
# Print a formatted (critical) message and exit with status.
#
# **Usage:** _die [exit_status] message
#
# - exit_status: exit code to use with script termination (default: 1)
# - message: message to print before terminating script execution
##
_die() {
        # If first argument was an integer, use as exit_status
        if [ "$1" -eq "$1" ] 2>/dev/null; then
                _exit_status="$1"; shift
        else
                _exit_status=1
        fi

        printf '*** CRITICAL: %s ***\n' "$1"
        exit "$_exit_status"
}

##
# Compare two versions.
# Check if one version is larger/smaller/equal than/to another.
#
# **Usage:** _largest_version ver1 ver2
#
# Returns: ($1 > $2): 1 ; ($1 = $2): 0 ; ($1 < $2): 2
# [IOW- 1 = $1 is largest; 0 = neither ; 2 = $2 is largest]
##
_largest_version() (
    # Value used to separate version components
    VERSION_SEPARATOR="${VERSION_SEPARATOR:-.}"

    for _p in "$1" "$2"; do
        [ "$(printf %.1s "$_p")" = "$VERSION_SEPARATOR" ] &&
            _die 7 'invalid version pattern provided'
    done

    # Split versions on VER_SEP into int/sub
    _v="$1$2"
    _v1="$1"
    _s1="${1#*$VERSION_SEPARATOR}"
    if [ "$_v1" = "$_s1" ]; then
        _s1=''
        _m1="$_v1"
    else
        _m1="${1%%$VERSION_SEPARATOR*}"
    fi
    _v2="$2"
    _s2="${2#*$VERSION_SEPARATOR}"
    if [ "$_v2" = "$_s2" ]; then
        _s2=''
        _m2="$_v2"
    else
        _m2="${2%%$VERSION_SEPARATOR*}"
    fi

    # Both are equal
    [ "$_v1" = "$_v2" ] && return 0

    # Something is larger than nothing (30 < 30.0)
    if [ -n "$_v1" ] && [ ! -n "$_v2" ]; then
        return 1
    elif [ ! -n "$_v1" ] && [ -n "$_v2" ]; then
        return 2
    fi

    # Check for invalid
    case "$_m1$_m2" in
        *[!0-9]*)
            _die 7 'version_compare called with unsupported version type'
            ;;
    esac

    # If a ver_sep is present
    if [ "${_v#*$VERSION_SEPARATOR}" != "$_v" ]; then
        # Check for a larger "major" version number
        [ "$_m1" -lt "$_m2" ] && return 2
        [ "$_m1" -gt "$_m2" ] && return 1

        # Compare substring components
        _largest_version "$_s1" "$_s2"; return "$?"
    else
        # Only integers present; simple integer comparison
        [ "$_v1" -lt "$_v2" ] && return 2
        [ "$_v1" -gt "$_v2" ] && return 1
    fi
)

测试:

# Simple test of all operators
( version_compare '1' 'lesser_than' '2' ); [ "$?" = '0' ] || return 1
( version_compare '2' 'equal' '2' ); [ "$?" = '0' ] || return 1
( version_compare '3' 'not_equal' '1' ); [ "$?" = '0' ] || return 1
( version_compare '2' 'greater_than' '1' ); [ "$?" = '0' ] || return 1
( version_compare '1' '-lt' '2' ); [ "$?" = '0' ] || return 1
( version_compare '2' '-eq' '2' ); [ "$?" = '0' ] || return 1
( version_compare '3' '-ne' '1' ); [ "$?" = '0' ] || return 1
( version_compare '2' '-gt' '1' ); [ "$?" = '0' ] || return 1

# Semver test of primary operators (expect true)
( version_compare '7.0.1' '-lt' '7.0.2' ); [ "$?" = '0' ] || return 1
( version_compare '7.0.2' '-eq' '7.0.2' ); [ "$?" = '0' ] || return 1
( version_compare '3.0.2' '-ne' '2.0.7' ); [ "$?" = '0' ] || return 1
( version_compare '7.0.2' '-gt' '7.0.1' ); [ "$?" = '0' ] || return 1

# Semver test of primary operators (expect false)
( version_compare '7.0.2' '-lt' '7.0.1' ); [ "$?" = '1' ] || return 1
( version_compare '3.0.2' '-eq' '2.0.7' ); [ "$?" = '1' ] || return 1
( version_compare '7.0.2' '-ne' '7.0.2' ); [ "$?" = '1' ] || return 1
( version_compare '7.0.1' '-gt' '7.0.2' ); [ "$?" = '1' ] || return 1

# Mismatched version strings (expect true)
( version_compare '7' '-lt' '7.1' ); [ "$?" = '0' ] || return 1
( version_compare '3' '-ne' '7.0.0' ); [ "$?" = '0' ] || return 1
( version_compare '7.0.1' '-gt' '7' ); [ "$?" = '0' ] || return 1

# Mismatched version strings (expect false)
( version_compare '7.0.0' '-eq' '7.0' ); [ "$?" = '1' ] || return 1

# Invalid operation supplied
( version_compare '2' '-inv' '1' >/dev/null ); [ "$?" = '7' ] || return 1

# Invalid version formats
( version_compare '1..0' '==' '1.0' >/dev/null ); [ "$?" = '7' ] || return 1
( version_compare '1.0' '==' '1..0' >/dev/null ); [ "$?" = '7' ] || return 1
( version_compare '1.0' '==' '1.0b7' >/dev/null ); [ "$?" = '7' ] || return 1
( version_compare '1.0a' '==' '1.0' >/dev/null ); [ "$?" = '7' ] || return 1

# "how does that handle comparing 10.0.0 (not a number) to 2.0 (a number)?"
( version_compare '10.0.0' '-lt' '2.0' ); [ "$?" = '1' ] || return 1
( version_compare '10.0' '-gt' '2.0.0' ); [ "$?" = '0' ] || return 1

# not less/greater-than... but equal
( version_compare '7' '-lt' '7' ); [ "$?" = '1' ] || return 1
( version_compare '7' '-gt' '7' ); [ "$?" = '1' ] || return 1

# String vs. numerical comparison
( version_compare '1.18.1' '-gt' '1.8.1' ); [ "$?" = '0' ] || return 1


# Random tests found on the internet
( version_compare '1' '==' '1' ); [ "$?" = '0' ] || return 1
( version_compare '2.1' '<' '2.2' ); [ "$?" = '0' ] || return 1
( version_compare '3.0.4.10' '>' '3.0.4.2' ); [ "$?" = '0' ] || return 1
( version_compare '4.08' '<' '4.08.01' ); [ "$?" = '0' ] || return 1
( version_compare '3.2.1.9.8144' '>' '3.2' ); [ "$?" = '0' ] || return 1
( version_compare '3.2' '<' '3.2.1.9.8144' ); [ "$?" = '0' ] || return 1
( version_compare '1.2' '<' '2.1' ); [ "$?" = '0' ] || return 1
( version_compare '2.1' '>' '1.2' ); [ "$?" = '0' ] || return 1
( version_compare '5.6.7' '==' '5.6.7' ); [ "$?" = '0' ] || return 1
( version_compare '1.01.1' '==' '1.1.1' ); [ "$?" = '0' ] || return 1
( version_compare '1.1.1' '==' '1.01.1' ); [ "$?" = '0' ] || return 1
( version_compare '1' '!=' '1.0' ); [ "$?" = '0' ] || return 1
( version_compare '1.0.0' '!=' '1.0' ); [ "$?" = '0' ] || return 1
2020-11-28 10:12:04

可能没有普遍正确的方法来实现这一点。如果您正在尝试比较Debian包系统中的版本，请尝试dpkg——compare-versions <first> <relation> <second>。

2010-10-26 12:59:31

我希望这对某些人有用(使用awk)

  #!/bin/bash

  available_version=1.2.3 # or online version
  this_version=1.2.1

  if [[ "ok" == "$(echo | awk "(${available_version} > ${this_version}) { print \"ok\"; }")" ]]; then
    echo "Notice, new version is available"
  elif [[ "ok" == "$(echo | awk "(${available_version} == ${this_version}) { print \"ok\"; }")" ]]; then
    echo "OK, version is up to date"
  else
    echo "Warning, the current version is ahead of the online version!"
  fi
2022-12-25 07:27:32

函数V -纯bash解决方案，不需要外部实用程序。 支持== = != < <= >和>=(字典)。 可选尾字母比较:1.5a < 1.5b 长度不等比较:1.6 > 1.5b 从左到右读取:如果V 1.5 '<' 1.6;然后……

<>

# Sample output
# Note: ++ (true) and __ (false) mean that V works correctly.

++ 3.6 '>' 3.5b
__ 2.5.7 '<=' 2.5.6
++ 2.4.10 '<' 2.5.9
__ 3.0002 '>' 3.0003.3
++ 4.0-RC2 '>' 4.0-RC1

<>

function V() # $1-a $2-op $3-$b
# Compare a and b as version strings. Rules:
# R1: a and b : dot-separated sequence of items. Items are numeric. The last item can optionally end with letters, i.e., 2.5 or 2.5a.
# R2: Zeros are automatically inserted to compare the same number of items, i.e., 1.0 < 1.0.1 means 1.0.0 < 1.0.1 => yes.
# R3: op can be '=' '==' '!=' '<' '<=' '>' '>=' (lexicographic).
# R4: Unrestricted number of digits of any item, i.e., 3.0003 > 3.0000004.
# R5: Unrestricted number of items.
{
  local a=$1 op=$2 b=$3 al=${1##*.} bl=${3##*.}
  while [[ $al =~ ^[[:digit:]] ]]; do al=${al:1}; done
  while [[ $bl =~ ^[[:digit:]] ]]; do bl=${bl:1}; done
  local ai=${a%$al} bi=${b%$bl}

  local ap=${ai//[[:digit:]]} bp=${bi//[[:digit:]]}
  ap=${ap//./.0} bp=${bp//./.0}

  local w=1 fmt=$a.$b x IFS=.
  for x in $fmt; do [ ${#x} -gt $w ] && w=${#x}; done
  fmt=${*//[^.]}; fmt=${fmt//./%${w}s}
  printf -v a $fmt $ai$bp; printf -v a "%s-%${w}s" $a $al
  printf -v b $fmt $bi$ap; printf -v b "%s-%${w}s" $b $bl

  case $op in
    '<='|'>=' ) [ "$a" ${op:0:1} "$b" ] || [ "$a" = "$b" ] ;;
    * )         [ "$a" $op "$b" ] ;;
  esac
}

代码解释

第1行:定义局部变量:

A, op, b -比较操作数和操作符，即"3.6" > "3.5a"。 Al, a和b的bl尾字母，初始化为尾项，即“6”和“5a”。

第2行和第3行:从尾部项目中向左修剪数字，因此如果有字母，则只剩下“”和“a”。

第4行:右修剪a和b中的字母，只保留数字项的序列作为局部变量ai和bi，即“3.6”和“3.5”。 值得注意的例子:"4.01-RC2" > "4.01-RC1"得到ai="4.01" al="-RC2"和bi="4.01" bl="-RC1"。

第6行:定义局部变量:

Ap, bp - 0 ai和bi的右填充。首先只保留项间点，其中点的数量分别等于a和b的元素的数量。

第7行:然后在每个点后面添加“0”来制作填充蒙版。

第9行:局部变量:

W -项目宽度 FMT - printf格式字符串，待计算 X -暂时 IFS =。Bash以“。”分隔变量值。

第10行:计算w，最大条目宽度，它将用于对齐条目进行字典比较。在我们的例子中w=2。

第11行:通过替换$a中的每个字符创建printf对齐格式。w b美元% ${},即,“3.6”>“3.5”收益率“% 2 s % 2 s % 2 s % 2 s”。

第12行:"printf -v a"设置变量a的值。这相当于许多编程语言中的a=sprintf(…)。注意这里，通过IFS=的影响。printf的参数拆分为单独的项。

在第一个printf中，a中的项用空格左填充，同时从bp中追加足够多的“0”项，以确保结果字符串a可以与类似格式的b进行有意义的比较。

请注意，我们将bp -而不是ap附加到ai，因为ap和bp可能有不同的长度，所以这导致a和b具有相同的长度。

对于第二个printf，我们将字母部分al附加到a，并使用足够的填充来进行有意义的比较。现在a可以和b比较了。

第13行:与第12行相同，但b。

第15行:在非内置(<=和>=)操作符和内置操作符之间分割比较情况。

第16行:如果比较操作符<=，则分别测试a<b或a=b - >= a<b或a=b

第17行:测试内置比较操作符。

<>

# All tests

function P { printf "$@"; }
function EXPECT { printf "$@"; }
function CODE { awk $BASH_LINENO'==NR{print " "$2,$3,$4}' "$0"; }
P 'Note: ++ (true) and __ (false) mean that V works correctly.\n'

V 2.5    '!='  2.5      && P + || P _; EXPECT _; CODE
V 2.5    '='   2.5      && P + || P _; EXPECT +; CODE
V 2.5    '=='  2.5      && P + || P _; EXPECT +; CODE

V 2.5a   '=='  2.5b     && P + || P _; EXPECT _; CODE
V 2.5a   '<'   2.5b     && P + || P _; EXPECT +; CODE
V 2.5a   '>'   2.5b     && P + || P _; EXPECT _; CODE
V 2.5b   '>'   2.5a     && P + || P _; EXPECT +; CODE
V 2.5b   '<'   2.5a     && P + || P _; EXPECT _; CODE
V 3.5    '<'   3.5b     && P + || P _; EXPECT +; CODE
V 3.5    '>'   3.5b     && P + || P _; EXPECT _; CODE
V 3.5b   '>'   3.5      && P + || P _; EXPECT +; CODE
V 3.5b   '<'   3.5      && P + || P _; EXPECT _; CODE
V 3.6    '<'   3.5b     && P + || P _; EXPECT _; CODE
V 3.6    '>'   3.5b     && P + || P _; EXPECT +; CODE
V 3.5b   '<'   3.6      && P + || P _; EXPECT +; CODE
V 3.5b   '>'   3.6      && P + || P _; EXPECT _; CODE

V 2.5.7  '<='  2.5.6    && P + || P _; EXPECT _; CODE
V 2.4.10 '<'   2.4.9    && P + || P _; EXPECT _; CODE
V 2.4.10 '<'   2.5.9    && P + || P _; EXPECT +; CODE
V 3.4.10 '<'   2.5.9    && P + || P _; EXPECT _; CODE
V 2.4.8  '>'   2.4.10   && P + || P _; EXPECT _; CODE
V 2.5.6  '<='  2.5.6    && P + || P _; EXPECT +; CODE
V 2.5.6  '>='  2.5.6    && P + || P _; EXPECT +; CODE
V 3.0    '<'   3.0.3    && P + || P _; EXPECT +; CODE
V 3.0002 '<'   3.0003.3 && P + || P _; EXPECT +; CODE
V 3.0002 '>'   3.0003.3 && P + || P _; EXPECT _; CODE
V 3.0003.3 '<' 3.0002   && P + || P _; EXPECT _; CODE
V 3.0003.3 '>' 3.0002   && P + || P _; EXPECT +; CODE

V 4.0-RC2 '>' 4.0-RC1   && P + || P _; EXPECT +; CODE
V 4.0-RC2 '<' 4.0-RC1   && P + || P _; EXPECT _; CODE
2018-01-28 15:08:59

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