安装 Ruby exiftool-rb

编程问答 2022-05-25

问题描述

请帮我为 Bitnami Ruby 安装 exiftool。我做错了什么，但我不知道是什么。

安装过程建议使用 exiftool_vendored https://github.com/exiftool-rb/exiftool_vendored.rb，它按预期显示此示例。

> irb(main):001:0> require 'exiftool_vendored'
=> true
irb(main):002:0> Exiftool.command
=> "/Users/sergey/.rbenv/versions/2.7.2/lib/ruby/gems/2.7.0/gems/exiftool_vendored-12.15.0/bin/exiftool"
irb(main):003:0> Exiftool.exiftool_version
=> "12.15"

我有

knot@Pond:~/rubystack/projects/dupes irb
irb(main):001:0> require 'exiftool_vendored'    => true
irb(main):002:0> Exiftool.command               => "/home/knot/rubystack/ruby/lib/ruby/gems/2.7.0/gems/exiftool_vendored-12.18.0/bin/exiftool"
irb(main):003:0> Exiftool.exiftool_version      => ""

irb(main):004:0> require 'exiftool'             => false
irb(main):005:0> e = Exiftool.new("IMG_20140812_104441.jpg")                                                                                                                    Traceback (most recent call last):
        6: from /home/knot/rubystack/ruby/bin/irb:23:in `<main>'
        5: from /home/knot/rubystack/ruby/bin/irb:23:in `load'
        4: from /home/knot/rubystack/ruby/lib/ruby/gems/2.7.0/gems/irb-1.2.6/exe/irb:11:in `<top (required)>'
        3: from (irb):5
        2: from (irb):5:in `new'
        1: from /home/knot/rubystack/ruby/lib/ruby/gems/2.7.0/gems/exiftool-1.2.3/lib/exiftool.rb:59:in `initialize'
Exiftool::Exiftoolnotinstalled (Exiftool::Exiftoolnotinstalled)

为了完整性

knot@Pond:~/rubystack/projects/dupes cat Gemfile
# frozen_string_literal: true
source "https://rubygems.org"
# gem "rails"
gem 'exiftool_vendored'

knot@Pond:~/rubystack/projects/dupes bundle
Using bundler 2.1.4
Using json 2.5.1
Using exiftool 1.2.3
Using exiftool_vendored 12.18.0
Bundle complete! 1 Gemfile dependency,4 gems Now installed.
Use `bundle info [gemname]` to see where a bundled gem is installed.

knot@Pond:~/rubystack/projects/dupes bundle info exiftool
  * exiftool (1.2.3)
        Summary: Multiget ExifTool wrapper for ruby
        Homepage: https://github.com/exiftool-rb/exiftool.rb
        Path: /home/knot/rubystack/ruby/lib/ruby/gems/2.7.0/gems/exiftool-1.2.3
knot@Pond:~/rubystack/projects/dupes bundle info exiftool_vendored
  * exiftool_vendored (12.18.0)
        Summary: vendored version of exiftool
        Homepage: https://github.com/exiftool-rb/exiftool_vendored.rb
        Path: /home/knot/rubystack/ruby/lib/ruby/gems/2.7.0/gems/exiftool_vendored-12.18.0

解决方法

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