Shell Programming and Scripting

    sed -e '1 s/.\{1,31\}$//' -e '2,10 d' -e '/^<meta / {
        s_<link[^>].\{1,100\}xml"/>\(<title>[^>]\+</title>\).\+_\1_
        s_//'$ST'/image/\(favicon-\?[a-z]\{0,10\}\.ico\)_'$LOC'/misc/\1_
        s_<link rel="alternate style.\+\(<link rel="apple-touch-icon" h\)_\1_
        s_//'$ST'/css/\([a-z0-9\.]\{1,25\}\.css\)_'$LOC'/misc/\1_
        }' -e '3,16 d' -e '$ {
        s_\(<div id="\)pim\([0-9]\{1,100\}\).\{1,1000\}\(\1\(pi\|f\)\2\)_\3_g
        s_//.\.thumbs\.4chan\.org/[a-z0-9]\{1,10\}/thumb/\([0-9]\{1,25\}s\.jpg\)_'$LOC'/misc/\1_g
        s_//images\.4chan\.org/[a-z0-9]\{1,10\}/src/\([0-9]\{1,25\}\.\)\(jpg\|gif\|png\)_'$LOC'/\1\2_g
        s_//'$ST'/image/title/[a-z]\{1,10\}/[a-z0-9]\{1,100\}\.\(jpg\|gif\|png\)_'$LOC'/misc/logo.\1_g
        s_//'$ST'/image/\(spoiler-\?[a-z0-9]\{0,10\}\....\)_'$LOC'/misc/\1_g
        s_//'$ST'/image/country/\(\([a-z]\{0,25\}/\)\?[a-z0-9]\{1,25\}\....\)_'$LOC'/misc/\1_g
        s_\(<a href="\)'$LOC'\(#p\{1,100\}"\)_\1\2_g
        s_<a href="#p'$LOC'" class="quotelink">&gt;&gt;'$LOC'_& (OP)_g
        s_\(<a href="[0-9]\{1,100\}\)\(#p[0-9]\{1,100\}" class="quotelink">&gt;&gt;[0-9]\{1,100\}\)_\1.html\2 (Cross-thread)_g
        s_\(</div></div></div><hr>\)<div class="mobile".\+</div><hr>\(<div class="navLinks navLinksBot">\[<a href="\)\.\./\(\./"[^>]\{0,100\}>Return</a>\] \[<a href="\)#top\(">Top</a>\]\).\+</body>_\1</form>\2\3javascript:scroll(0,0);\4<div id=bottom></div>'$S1'</body>_
        s_^\(.\{1,39\}\)<div id="boardNavDesktop" class="desktop">.\{0,7800\}\(<div class="boardBanner"\{0,250\}\)<hr class="abovePostForm"/\?>.\{0,400\}\(<div class="navLinks">.<a href="\)\.\./\(\./.\{0,100\}\)#bottom\(">Bottom</a>]\).\{0,4000\}alt=""/></a>\(</div><hr><a href="ja\)_'$S2'\1\2\3\4javascript:scroll(0,d.documentElement.scrollHeight)\5\6_
        s_href="//_href="http://_g
        }' $LOC.html > a