Some taken from commandlinefu. What all the below commands are doing is basically that the url: is captured from the sessionstore.js file and then just  extract the URL from the line. These are done in various ways using perl, <a class="zem_slink freebase/en/sed" title="Sed" rel="wikipedia" href="http://en.wikipedia.org/wiki/Sed">sed and <a class="zem_slink freebase/en/awk" title="AWK" rel="homepage" href="http://cm.bell-labs.com/cm/cs/awkbook/index.html">awk:

List last opened tabs in firefox browser

F=&#8221;$HOME/.moz*/fire*/*/session*.js&#8221; ; <a class="zem_slink freebase/en/grep" title="Grep" rel="wikipedia" href="http://en.wikipedia.org/wiki/Grep">grep -Go &#8217;entries:[[^]]*&#8217; $F | cut -d[ -f2 | while read A ; do echo $A | sed s/url:/n/g | tail -1 | cut -d&#8221; -f2; done

extract all urls from firefox sessionstore

sed -e &#8221;s/[{/n/g&#8221; -e &#8221;s/}, {/n/g&#8221;  sessionstore.js | grep url | awk -F&#8221;,&#8221; '{ print $1 }&#8217;| sed -e &#8221;s/url:&#8221;([^&#8221;]*)&#8221;/1/g&#8221; -e &#8221;/^about:blank/d&#8221;

Extract all urls from the last firefox sessionstore.js file used.

grep -oP &#8217;&#8221;url&#8221;:&#8221;K[^&#8221;]+&#8217; $(ls -t ~/.mozilla/firefox/*/sessionstore.js | sed q)

Extract all urls from last firefox sessionstore used in a portable way.

perl -lne &#8217;print for /url&#8221;:&#8221;K[^&#8221;]+/g&#8217; $(ls -t ~/.mozilla/firefox/*/sessionstore.js | sed q)

Extract all urls from the last firefox sessionstore.js file used.

sed -e &#8217;s/{&#8221;url&#8221;:/n&/g&#8217; ~/.mozilla/firefox/*/sessionstore.js | cut -d&#8221; -f4

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