ユーザーが特定の単語を検索し、その単語を含むすべてのウェブサイトを表示するJSONページからURLをどのように取得できますか？

完璧なソリューション：

使用されたもの：強く打つ、得る、xmllint、sed、タイプ

reddit.shスクリプト：

#!/bin/bash

search_word="$1"

wget -qO - --follow-tags=a "http://reddit.com/search?q=${search_word}" \
|  xmllint --html --xpath '//a[contains(@href, "'"${search_word}"'")]' - 2>/dev/null \
| sed 's/<\/a>/&\n/g' | sort -u

使用法:

$ bash reddit.sh linux

出力（短縮）：

<a href="https://fossbytes.com/firefox-quantum-57-is-here-to-kill-google-chrome-download-for-windows-mac-linux/" class="search-link may-blank">https://fossbytes.com/firefox-quantum-57-is-here-to-kill-google-chrome-download-for-windows-mac-linux/</a>
<a href="https://www.change.org/p/lenovo-demand-that-lenovo-provide-bios-update-to-enable-linux-installation">https://www.change.org/p/lenovo-demand-that-lenovo-provide-bios-update-to-enable-linux-installation</a>
<a href="https://www.gamingonlinux.com/articles/atari-are-launching-a-new-gaming-system-the-ataribox-and-it-runs-linux.10418" class="search-link may-blank">https://www.gamingonlinux.com/articles/atari-are-launching-a-new-gaming-system-the-ataribox-and-it-runs-linux.10418</a>
<a href="https://www.reddit.com/r/funny/comments/5xyw3c/every_time_i_try_out_linux/" data-inbound-url="/r/funny/comments/5xyw3c/every_time_i_try_out_linux/?utm_term=055776b0-02a3-4fd4-81fb-7693fb1f7a86&amp;utm_medium=search&amp;utm_source=reddit&amp;utm_name=frontpage&amp;utm_content=1" data-href-url="/r/funny/comments/5xyw3c/every_time_i_try_out_linux/" class="search-comments may-blank">2,315 comments</a>
<a href="https://www.reddit.com/r/funny/comments/5xyw3c/every_time_i_try_out_linux/" data-inbound-url="/r/funny/comments/5xyw3c/every_time_i_try_out_linux/?utm_term=055776b0-02a3-4fd4-81fb-7693fb1f7a86&amp;utm_medium=search&amp;utm_source=reddit&amp;utm_name=frontpage&amp;utm_content=1" data-href-url="/r/funny/comments/5xyw3c/every_time_i_try_out_linux/" class="search-title may-blank">Every time I try out linux</a>
<a href="https://www.reddit.com/r/funny/comments/6wdq13/20170825_happy_birthday_linux/" data-inbound-url="/r/funny/comments/6wdq13/20170825_happy_birthday_linux/?utm_term=055776b0-02a3-4fd4-81fb-7693fb1f7a86&amp;utm_medium=search&amp;utm_source=reddit&amp;utm_name=frontpage&amp;utm_content=14" data-href-url="/r/funny/comments/6wdq13/20170825_happy_birthday_linux/" class="search-comments may-blank">269 comments</a>
<a href="https://www.reddit.com/r/funny/comments/6wdq13/20170825_happy_birthday_linux/" data-inbound-url="/r/funny/comments/6wdq13/20170825_happy_birthday_linux/?utm_term=055776b0-02a3-4fd4-81fb-7693fb1f7a86&amp;utm_medium=search&amp;utm_source=reddit&amp;utm_name=frontpage&amp;utm_content=14" data-href-url="/r/funny/comments/6wdq13/20170825_happy_birthday_linux/" class="search-title may-blank">20170825: Happy Birthday Linux</a>
...

追加のテストケースを見るには、以下を検索してくださいpython。

$ bash reddit.sh python

出力（短縮）：

<a href="https://developers.slashdot.org/story/17/12/15/1133217/microsoft-considers-adding-python-as-an-official-scripting-language-in-excel" class="search-link may-blank">https://developers.slashdot.org/story/17/12/15/1133217/microsoft-considers-adding-python-as-an-official-scripting-language-in-excel</a>
<a href="https://www.reddit.com/r/ATBGE/comments/7bjnxs/check_out_this_python/" data-inbound-url="/r/ATBGE/comments/7bjnxs/check_out_this_python/?utm_term=02b9b18c-b9c1-42d4-8718-7f5c74d03b90&amp;utm_medium=search&amp;utm_source=reddit&amp;utm_name=frontpage&amp;utm_content=7" data-href-url="/r/ATBGE/comments/7bjnxs/check_out_this_python/" class="search-comments may-blank">302 comments</a>
<a href="https://www.reddit.com/r/ATBGE/comments/7bjnxs/check_out_this_python/" data-inbound-url="/r/ATBGE/comments/7bjnxs/check_out_this_python/?utm_term=02b9b18c-b9c1-42d4-8718-7f5c74d03b90&amp;utm_medium=search&amp;utm_source=reddit&amp;utm_name=frontpage&amp;utm_content=7" data-href-url="/r/ATBGE/comments/7bjnxs/check_out_this_python/" class="search-title may-blank">Check out this python!</a>
<a href="https://www.reddit.com/r/funny/comments/5haxy5/monty_python_life_of_brian_is_still_relevant_today/" data-inbound-url="/r/funny/comments/5haxy5/monty_python_life_of_brian_is_still_relevant_today/?utm_term=02b9b18c-b9c1-42d4-8718-7f5c74d03b90&amp;utm_medium=search&amp;utm_source=reddit&amp;utm_name=frontpage&amp;utm_content=8" data-href-url="/r/funny/comments/5haxy5/monty_python_life_of_brian_is_still_relevant_today/" class="search-comments may-blank">1,364 comments</a>
<a href="https://www.reddit.com/r/funny/comments/5haxy5/monty_python_life_of_brian_is_still_relevant_today/" data-inbound-url="/r/funny/comments/5haxy5/monty_python_life_of_brian_is_still_relevant_today/?utm_term=02b9b18c-b9c1-42d4-8718-7f5c74d03b90&amp;utm_medium=search&amp;utm_source=reddit&amp;utm_name=frontpage&amp;utm_content=8" data-href-url="/r/funny/comments/5haxy5/monty_python_life_of_brian_is_still_relevant_today/" class="search-title may-blank">Monty Python Life Of Brian is still relevant today</a>
...