x=https://news.ycombinator.com/item?id
     links -dump $x=37060497|sed -n '8,139s/.\{6\}//p' > 076.l
     links -dump $x=37061215|sed -n '5,99s/.\{6\}//p' > 082.l
     links -dump $x=37061227|sed -n '5,148s/.\{6\}//p' >> 082.l
     for x in 076 082;do
     flex -8Crf $x.l
     cc -O3 -std=c89 -W -Wall -pedantic -pipe lex.yy.c -static -o yy$x
     strip -s yy$x
     done

    {
    if(videoid)fputc(yytext[c],stdout); 
    }
    if(videoid)putchar(10); 
    }
   \"videoId\":[ ]\"[^\"\12]+  {
    if(videoid)
    for(c=12;yytext[c]!=13&&yytext[c]!=34&&yytext[c]!=44&&yytext[c]!=93&&yytext[c]!=125&&c<24;++c)
    if(yytext[c]!=0)
    {
    if(videoid)fputc(yytext[c],stdout);
    }
    if(videoid)putchar(10); 
    }
   "i.ytimg.com/vi/"[^\/]{11}\/[mh]qdefault.jpg  {
    if(videoid)
    for(c=15;yytext[c]!=13&&yytext[c]!=34&&yytext[c]!=44&&yytext[c]!=93&&yytext[c]!=125&&c<26;++c)
    if(yytext[c]!=0)
    {
    if(videoid)fputc(yytext[c],stdout);
    }
    if(videoid)putchar(10); 
    }
    /* --------------------- canonicalbaseurls ------------------------- */ 
   \"canonicalBaseUrl\":\"\/@[^\"\12]+\" {
    if(canonicalbaseurl)
    {
    for(c=20;yytext[c]!=32&&yytext[c]!=34&&yytext[c]!=44&&yytext[c]!=92&&yytext[c]!=93&&yytext[c]!=125;++c)
    if(yytext[c]!=0)
    fputc(yytext[c],stdout);
    putc(10,stdout);
    }
    }
   \"canonicalBaseUrl\":[ ]\"\/@[^\"\12]+\"  {
    if(canonicalbaseurl)
    {
    for(c=21;yytext[c]!=32&&yytext[c]!=34&&yytext[c]!=44&&yytext[c]!=92&&yytext[c]!=93&&yytext[c]!=125;++c)
    if(yytext[c]!=0)
    fputc(yytext[c],stdout);
    putc(10,stdout);
    }
    }
      /* ------------------------ channelids ------------------------------- */
   \"channelId\":\"UC[^\"\12]+  {
    if(channelid)
    {
    for(c=13;c!=yyleng+1;++c)
    if(yytext[c]!=0)
    fputc(yytext[c],stdout);
    putchar(10);
    }
    }
   \"channelId\":[ ]\"UC[^\"\12]+  {
    if(channelid)
    {
    for(c=14;c!=yyleng+1;++c)
    if(yytext[c]!=0)
    fputc(yytext[c],stdout);
    putchar(10);
    }
    }
   \"browseId\":[ ]\"UC[^\"\12]+ {
    if(channelid)
    {
     for(c=13;c!=yyleng+1;++c)
     if(yytext[c]!=0)
     fputc(yytext[c],stdout);
     putchar(10);
    }
    }
   \"browseId\":\"UC[^\"\12]+ {
    if(channelid)
    {
     for(c=12;c!=yyleng+1;++c)
     if(yytext[c]!=0)
     fputc(yytext[c],stdout);
     putchar(10);
    }
    }
   ,UC[^\"\12,]{22} {
    if(channelid)
    {
     for(c=1;c!=yyleng+1;++c)
     if(yytext[c]!=0)
     fputc(yytext[c],stdout);
     putchar(10);
    }
    }
     /* --------------------- tokens ---------------------- */
   \"token\":[ ]\"[^\"\12]+ {
    if(token)
    {
    for(c=10;yytext[c]!=34&&yytext[c]!=44&&yytext[c]!=93&&yytext[c]!=125;++c)
    if(yytext[c]!=0)
    fputc(yytext[c],stdout);
    putchar(10);
    }
    }
   \"continuationAction\":\"[^\"\12]+ {
    if(token)
    {
    for(c=22;yytext[c]!=34&&yytext[c]!=44&&yytext[c]!=93&&yytext[c]!=125;++c)
    if(yytext[c]!=0)
    fputc(yytext[c],stdout);
    putchar(10);
    }
    }
   \"continuationCommand\":\{\"token\":\"[^\"\12]+ { 
    if(token)
    {
    for(c=32;yytext[c]!=34&&yytext[c]!=44&&yytext[c]!=93&&yytext[c]!=125;++c)
    if(yytext[c]!=0)
    fputc(yytext[c],stdout);
    putchar(10);
    }
    }
   .|\n
   %%
          int main(int argc,char* argv[]){ 
          if((!argc)||(!argv[1]))goto help;
          if((argv[1][0]!=98)&&
             (argv[1][0]!=99)&&
             (argv[1][0]!=104)&&
             (argv[1][0]!=112)&&
             (argv[1][0]!=116)&&
             (argv[1][0]!=118))goto help;
          if(argv[1][0]==98)canonicalbaseurl++;
          if(argv[1][0]==99)channelid++;
          if(argv[1][0]==104)http++;;
          if(argv[1][0]==112)playlistid++;;
          if(argv[1][0]==116)token++;;
          if(argv[1][0]==118)videoid++;;
          yylex();
          exit(0);
          help:
          fputs("usage: yy082 {b,c,h,p,t,v}\12",stderr);
          fputs("b canonicalBaseUrls\n",stderr);
          fputs("c channelIds\n",stderr);
          fputs("h watchUrls\n",stderr);
          fputs("p playlistIds\n",stderr);
          fputs("t continuation tokens\n",stderr);
          fputs("v videoIds\n",stderr);
          exit(1);
          }

   /* yy082 part 1 of 2 */   
   
    int fileno (FILE *);
    int channelid,videoid,canonicalbaseurl,token,http,playlistid;
    int c;
   %option nounput noinput noyywrap 
   %s xa xb xc
   %%
    /* --------------- watchurls -------------------- */ 
   "https://www.youtube.com/watch?v="[-0-9_A-Za-z]{11} {
    if(http)puts(yytext);
    if(videoid)
    {
    for(c=32;c<43;++c)
    if(yytext[c]!=0)fputc(yytext[c],stdout);
    if(videoid)putchar(10); 
    }
    }
   "https://www.youtube.com/embed/"[-0-9_A-Za-z]{11} {
    if(http)puts(yytext);
    if(videoid)
    {
    for(c=30;c<41;++c)
    if(yytext[c]!=0)fputc(yytext[c],stdout);
    if(videoid)putchar(10); 
    }
    }
   "https://www.youtube.com/shorts/"[-0-9_A-Za-z]{11} {
    if(http)puts(yytext);
    if(videoid)
    {
    for(c=31;c<42;++c)
    if(yytext[c]!=0)fputc(yytext[c],stdout);
    if(videoid)putchar(10); 
    }
    }
   "https://youtu.be/"[-0-9_A-Za-z]{11} {
    if(http)puts(yytext);
    if(videoid)
    {
    for(c=17;c<28;++c)
    if(yytext[c]!=0)fputc(yytext[c],stdout);
    if(videoid)putchar(10); 
    }
    }
     /* --------------------- playlistids ------------------------- */ 
   \"shareUrl\":[ ]\"[^\"\12]+\", {
    if(playlistid)
    {
    for(c=51;yytext[c]!=32&&yytext[c]!=34&&yytext[c]!=44&&yytext[c]!=92&&yytext[c]!=93&&yytext[c]!=125;++c)
    if(yytext[c]!=0)
    fputc(yytext[c],stdout);
    putc(10,stdout);
    }
    }
   "https://www.youtube.com/playlist?list="[-0-9_A-Za-z]{18,34} {
    if(http)puts(yytext);
    if(playlistid)
    {
    for(c=38;c<74;++c)
    if(yytext[c]!=0)fputc(yytext[c],stdout);
    if(playlistid)putchar(10); 
    }
    }
   \"playlistId\":[ ]\"[^\"\12]+  {
    if(playlistid)
    for(c=15;yytext[c]!=13&&yytext[c]!=34&&yytext[c]!=44&&yytext[c]!=93&&yytext[c]!=125&&c<50;++c)
    if(yytext[c]!=0)
    {
    if(playlistid)fputc(yytext[c],stdout);
    }
    if(playlistid)putchar(10); 
    }
    /* --------------- videoids -------------------- */ 
   "target=_blank>"[-_A-Za-z0-9]{11} {
    if(videoid)
    for(c=14;yytext[c]!=13&&yytext[c]!=34&&yytext[c]!=44&&yytext[c]!=93&&yytext[c]!=125&&c<25;++c)
    if(yytext[c]!=0)
    {
    if(videoid)fputc(yytext[c],stdout); 
    }
    if(videoid)putchar(10); 
    }
   [,'][-_A-Za-z0-9]{11}[,'] {
    if(videoid)
    for(c=1;yytext[c]!=13&&yytext[c]!=34&&yytext[c]!=44&&yytext[c]!=93&&yytext[c]!=125&&c<12;++c)
    if(yytext[c]!=0)
    {
    if(videoid)fputc(yytext[c],stdout); 
    }
    if(videoid)putchar(10); 
    }
   \"videoId\":\"[^\"\12]+  {
    if(videoid)
    for(c=11;yytext[c]!=13&&yytext[c]!=34&&yytext[c]!=44&&yytext[c]!=93&&yytext[c]!=125&&c<23;++c)
    if(yytext[c]!=0)

   // yy076 

           int yy_get_next_buffer();
           int fileno(FILE *);
           int h,s,x,y;
           int search,playlist,videoId,canonicalBaseUrl,channelId,token1,token2;
   
   SEARCH ^=[^\n]+
   URL1 ^https:\/\/www.youtube.com\/watch\?v=[0-9A-Za-z\55\137]{11}$
   URL2 ^https:\/\/youtu.be\/[0-9A-Za-z\55\137]{11}$
   URL3 ^https:\/\/www.youtube.com\/embed\/[0-9A-Za-z\55\137]{11}$
   URL4 ^https:\/\/www.youtube.com\/playlist\?list=[0-9A-Za-z\55\137]{18}$
   URL5 ^https:\/\/www.youtube.com\/playlist\?list=[0-9A-Za-z\55\137]{34}$
   VIDEOID ^[0-9A-Za-z\55\137]{11}$
   PLAYLISTID ^PL[0-9A-Za-z\55\137]+$
   CHANNELNAME ^\57\100[0-9a-zA-Z\55\137]+$
   CHANNELID ^\125\103[0-9A-Za-z_\55\137]{22}$ 
   TOKEN ^[A-Za-z0-9]+(%3D)*$ 
    int http()
    {
    if(token1)fwrite("POST /youtubei/v1/search?key=AIzaSyAO_FJ2SlqU8Q4STEHLGCilw_Y9_11qcW8 HTTP/1.1\n",1,78,yyout);
    if(token2)fwrite("POST /youtubei/v1/browse?key=AIzaSyAO_FJ2SlqU8Q4STEHLGCilw_Y9_11qcW8 HTTP/1.1\n",1,78,yyout);
    if(videoId)fwrite("POST /youtubei/v1/player?key=AIzaSyA8eiZmM1FaDVjRy-df2KTyQ_vz_yYM39w HTTP/1.1\n",1,78,yyout);
    if(canonicalBaseUrl)
    {
     fwrite("GET ",1,4,yyout); 
     fwrite(yytext,1,yyleng,yyout);
     fwrite("/videos HTTP/1.1\r\n",1,18,yyout);
    }
    if(channelId)
    {
     fwrite("GET /channel/",1,13,yyout);
     fwrite(yytext,1,yyleng,yyout);
     fwrite("/videos HTTP/1.1\r\n",1,18,yyout);
    }
    if(search)
    {
     fwrite("GET /results?search_query",1,25,yyout);
     fwrite(yytext,1,yyleng,yyout);
     fwrite(" HTTP/1.1\r\n",1,11,yyout);
    }
    if(playlist)
    {
     fwrite("GET /playlist?list=",1,19,yyout);
     fwrite(yytext,1,yyleng,yyout);
     fwrite(" HTTP/1.1\r\n",1,11,yyout);
    }
   
    fwrite("Host: www.youtube.com\n",1,22,yyout);
    if(videoId||token1||token2)fwrite("Content-Type: appllication/json\n",1,32,yyout); 
    if(videoId)fwrite("Content-Length: 287\n",1,20,yyout);
    if(token1||token2)fprintf(stdout,"Content-Length: %d\n",yyleng+121);
    if(videoId)fwrite("cookie: PREF=hl=en&tz=UTC; CONSENT=YES+cb.20210328-17-p0.en+FX+994; GPS=1; YSC=vhWkc-LLQ2w; VISITOR_INFO1_LIVE=RaHngNUvOzk\n",1,123,stdout);
    fwrite("Connection: keep-alive\n\n",1,24,yyout);
    if(videoId)
    {
     fwrite("{\"context\": {\"client\": {\"clientName\": \"ANDROID\", \"clientVersion\": \"17.31.35\", \"androidSdkVersion\": 30 }}, \"videoId\": \"",1,118,yyout);
     fwrite(yytext,1,11,yyout); 
     fwrite("\", \"params\": \"CgIQBg==\", \"playbackContext\": {\"contentPlaybackContext\": {\"html5Preference\": \"HTML5_PREF_WANTS\"}}, \"contentCheckOk\": true, \"racyCheckOk\": true}\n",1,158,yyout);
    }
    if(token1||token2)
    {
     fwrite("{\"context\":{\"client\":{\"hl\":\"en-US\",\"gl\":\"US\",\"clientName\":\"MWEB\",\"clientVersion\":\"2.20210916.06.01\"}},",1,102,yyout); 
     fwrite("\"continuation\":\"",1,16,yyout);
     fwrite(yytext,1,yyleng,yyout);
     fwrite("\"}\n",1,3,yyout);
    }
    videoId = 0,canonicalBaseUrl = 0,channelId = 0,token1 = 0,token2 = 0;
    return(0);
    }
   %option nounput noinput noyywrap
   %%
   \"yt_web_search\" s++;
   {URL1} {
    videoId++;
    y=0;for(x=32;x<yyleng;x++)
    {if(yytext[x])yytext[y]=yytext[x];y++;}
    if(yytext[yyleng-32])yytext[yyleng-32]=0;
    h++;http();
    }
   {URL2} {
    videoId++;                  
    y=0;for(x=17;x<yyleng;x++) 
    {if(yytext[x])yytext[y]=yytext[x];y++;}
    if(yytext[yyleng-17])yytext[yyleng-17]=0;
    h++;http();
    }
   {URL3} {
    videoId++;                  
    y=0;for(x=30;x<yyleng;x++) 
    {if(yytext[x])yytext[y]=yytext[x];y++;}
    if(yytext[yyleng-30])yytext[yyleng-30]=0;
    h++;http();
    }
   {URL4} {
    playlist++;                  
    y=0;for(x=38;x<57;x++) 
    {if(yytext[x])yytext[y]=yytext[x];y++;}
    if(yytext[57])yytext[57]=0;
    h++;http();
    }
   {URL5} {
    playlist++;                  
    y=0;for(x=38;x<72;x++) 
    {if(yytext[x])yytext[y]=yytext[x];y++;}
    if(yytext[72])yytext[72]=0;
    h++;http();
    }
   {SEARCH} {
    search++;
    y=0;for(x=0;x<yyleng;x++)
    {if(x!=yyleng-1)if(yytext[x]==32)yytext[x]=43;if(yytext[x])yytext[y]=yytext[x];y++;}
    if(yytext[yyleng])yytext[yyleng]=0;
    h++;http();
    }
   {CHANNELID} channelId++;           h++;http();
   {CHANNELNAME} canonicalBaseUrl++;  h++;http();
   {VIDEOID} videoId++;               h++;http();
   {PLAYLISTID} playlist++;           h++;http();
   {TOKEN} { 
    for(x=0;x<yyleng;x++)
    {if(yytext[0]==52&&yytext[1]==113&&yytext[2]==109)token2++;else token1++;}
    h++;http();
    }
   .|\n
   %% 
           int main()
           {
           yylex();
           /* do not need if using bssl */
           if(h)fprintf(stdout,"\r\n%s\r\n%s\r\n\r\n",
           "GET /robots.txt HTTP/1.0","Host: www.youtube.com");
           exit(0);
           }