764357   returns   LegoStormtroopr 3,088

bash-4.1$ curl -sL http://stackoverflow.com/users/`cat`|grep -oPm2 'n">K[0-9,]+|e">K[^<]+'
662504
manatwork
834

bash-4.1$ curl -sL http://stackoverflow.com/users/`cat`|grep -oPm2 'n">K[0-9,]+|e">K[^<]+'
764357
Lego Stormtroopr
3,087

bash-4.1$ ruby -ropen-uri -e 's=open("http://stackoverflow.com/users/"+gets).read;puts s[/me">(.+)</,1],s[/n">([d,]+)/,1]' <<< '662504'
manatwork
834

bash-4.1$ ruby -ropen-uri -e 's=open("http://stackoverflow.com/users/"+gets).read;puts s[/me">(.+)</,1],s[/n">([d,]+)/,1]' <<< '764357'
Lego Stormtroopr
3,087

from urllib import*
s=urlopen("http://stackoverflow.com/users/%d"%input()).read()
p=str.split
print p(p(s,'r ')[1],' -')[0],p(p(s,'ore">')[1],'<')[0]

d=document;function f(a){y=a.items[0];alert(y.display_name+" "+y.reputation)}x=d.createElement("script");x.src="https://api.stackexchange.com/2.1/users/"+prompt()+"?site=stackoverflow&callback=f";d.body.appendChild(x)

say/h1.*>(.*)</,$/,/core">(.*?)</ for g("http://stackoverflow.com/users/".pop)->dom

$ perl -Mojo -E 'say/h1.*>(.*)</,$/,/core">(.*?)</ for g("http://stackoverflow.com/users/".pop)->dom' 764357
Lego Stormtroopr
3,103

say $_->at("#user-displayname")->text, ": ", $_->at(".reputation a")->text for g("http://stackoverflow.com/users/".pop)->dom

$ perl -Mojo -E 'say $_->at("#user-displayname")->text, ": ", $_->at(".reputation a")->text for g("http://stackoverflow.com/users/$ARGV[0]")->dom' 764357
Lego Stormtroopr: 3,103

from lxml.html import*
C=parse('http://stackoverflow.com/users/'+input()).getroot().cssselect
print(C('[id^=u]')[0].text,C('[class$=ore]')[0].text)

f=function(i){S=function(x)strsplit(grep(x,scan(paste0("http://stackoverflow.com/users/",i),"",sep="n"),v=T)[1],">|<")[[1]][3];cat(S("h1"),S("=re"))}

>f(1451109)
Read 917 items
Read 917 items
plannapus 6,566

package r http
package r json
set d [lindex [dict get [json::json2dict [http::data [http::geturl http://api.stackexchange.com/2.1/users/$argv?site=stackoverflow]]] items] 0]
puts [dict get $d display_name] [dict get $d reputation]

package r http
package r json
set c [dict get [json::json2dict [http::data [http::geturl http://api.stackexchange.com/2.1/users/?order=desc&sort=reputation&site=stackoverflow&min=$argv&max=$argv]]] items]
foreach d $c {puts "[dict get $d display_name] [dict get $d reputation]"}

sub(".*\/(.*)\?.*>(.*)<.*","\1 \2",grep("b=r",scan(paste0("http://stackoverflow.com/users/",scan(n=1)),""),v=T)[1])

> sub(".*\/(.*)\?.*>(.*)<.*","\1 \2",grep("b=r",scan(paste0("http://stackoverflow.com/users/",scan(n=1)),""),v=T)[1])
1: 1201032
Read 1 item
Read 2976 items
[1] "flodel 31,093"

$.getJSON "http://api.stackexchange.com/2.1/users/#{prompt()}?site=stackoverflow",(d)->alert [d.items[0].reputation,d.items[0].display_name]

$.getJSON "http://api.stackexchange.com/2.1/users/#{prompt()}?site=stackoverflow",(d)->`with(d.items[0])alert([reputation,display_name])`;1

import urllib,re
r=re.findall('r (.*?) -|re">(.*?)<',urllib.urlopen("http://stackoverflow.com/users/%d"%input()).read())
print r[0][0],r[2][1]

import urllib,re
u=input()
s=urllib.urlopen("http://stackoverflow.com/users/%d"%u).read()
r=re.findall('name.*?>(.*?)</h1|tion.?>(.*?)</a',s)
print r[0][0],r[1][1]

r = lambda user: bs(requests.get("http://stackoverflow.com/users/filter?search=%s&filter=All" % user).text).find(class_="reputation-score").text

>>> r('Pawelmhm')
>>> u'798'

bash-4.1$ awk '{RS="r";print h("/users/"$0,$0,"/",4),h($2,$2"\?","<|>",3)}function h(p,m,r,f){d="stackoverflow.com";g="/inet/tcp/0/"d"/80";print"GET "p" HTTP/1.1nHost:"d"n"|&g;close(g,"to");while(g|&getline)if($0~m){close(g,"from");split($0,a,r);return a[f]}}' <<< 662504
manatwork 854

bash-4.1$ awk '{RS="r";print h("/users/"$0,$0,"/",4),h($2,$2"\?","<|>",3)}function h(p,m,r,f){d="stackoverflow.com";g="/inet/tcp/0/"d"/80";print"GET "p" HTTP/1.1nHost:"d"n"|&g;close(g,"to");while(g|&getline)if($0~m){close(g,"from");split($0,a,r);return a[f]}}' <<< 764357
lego-stormtroopr 3,947