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Given a character, output (to the screen) the entire qwerty keyboard layout (with spaces and newlines) that follows the character. The examples make it clear.

Input 1

f

Output 1

g h j k l
z x c v b n m

Input 2

q

Output 2

w e r t y u i o p
a s d f g h j k l
z x c v b n m

Input 3

m

Output 3

(Program terminates without output)

Input 4

l

Output 4

z x c v b n m

Shortest code wins. (in bytes)

P.S.

Extra newlines, or extra spaces at the end of a line are accepted.

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40 Answers 40

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Gema, 56 characters

?=@subst{\\A\*?=\;\?=\? ;qwertyuiop\nasdfghjkl\nzxcvbnm}

Sample run:

bash-4.3$ echo -n 'f' | gema '?=@subst{\\A\*?=\;\?=\? ;qwertyuiop\nasdfghjkl\nzxcvbnm}'
g h j k l 
z x c v b n m 
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𝔼𝕊𝕄𝕚𝕟, 32 chars / 79 bytes

⟦ɘƄ瀛ذ鸊ް΀ꀆဓƘ᳀ᘁ堍怍訁码聮Ęݠⶰ䀀#]ø⬭Čï⎖1

Try it here (Firefox only).

At least I'm winning in char count... (Byte count's a different story.)

Oh yeah, just realized that I implemented index shortcuts (⎖1 instead of [1]) awhile back. Silly me!

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  • \$\begingroup\$ What language is this? or is it literally this: i.imgur.com/WC7XvYs.png (and is there documentation) it's weird, aha! \$\endgroup\$
    – ʰᵈˑ
    Nov 26, 2015 at 11:51
  • \$\begingroup\$ This is ESMin. Letters are in doublestruck, so you might have trouble seeing them. See github.com/molarmanful/ESMin (docs are outdated, though). \$\endgroup\$ Nov 26, 2015 at 15:44
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C++, 129, 112 97 bytes

#include<string>
#include<cstdio>
void o(char c){puts(strstr("qwertyuiopasdfghjklzxcvbnm",&c));}

Ungolfed:

#include<string>
#include<cstdio>
void o(char c)
{
    puts(strstr("qwertyuiopasdfghjklzxcvbnm",&c));
}
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  • \$\begingroup\$ You could shave off 17 bytes by using puts instead of std::cout<< \$\endgroup\$
    – DJMcMayhem
    Nov 26, 2015 at 5:36
  • \$\begingroup\$ @DJMcMayhem Thanks! An excellent point: for some reason I thought I would still need an #include for puts, but evidently I do not! \$\endgroup\$
    – Tas
    Nov 26, 2015 at 5:40
  • \$\begingroup\$ Also, this is another 12 shorter. \$\endgroup\$
    – DJMcMayhem
    Nov 26, 2015 at 5:48
  • \$\begingroup\$ Thanks! I didn't even know strstr was a thing. \$\endgroup\$
    – Tas
    Nov 26, 2015 at 5:55
  • \$\begingroup\$ I think that's a little bit overgolfed. You need <stdio.h> for strstr. \$\endgroup\$
    – DJMcMayhem
    Nov 26, 2015 at 6:10
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Batch, 206 + 2 = 208 bytes

Because this uses delayed expansion you need to invoke it with CMD /V /C keyboard.cmd <letter>, so adding 12 for the /V switch.

@echo off
set a=q w e r t y u i o p
set b=a s d f g h j k l
set c=z x c v b n m
if not "!a:*%1 =!"=="!a!" echo !a:*%1 =!
if not "!a:*%1=!!b:*%1 =!"=="!a!!b!" echo !b:*%1 =!
if not %1==m echo !c:*%1 =!
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  • \$\begingroup\$ I'm afraid the command line option would count 1 if cmd would accept it as /VC, like POSIX tools do. But as I know /V requires its own /, which also gets counted. \$\endgroup\$
    – manatwork
    Nov 27, 2015 at 7:37
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Python, 109 bytes

I know its a bit large but its all I know how to do right now!

def kb(c): 
 s = "q w e r t y u i o p \n a s d f g h j k l \n z x c v b n m"
 a = s.split(c)
 print(a[1])
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  • \$\begingroup\$ I don't think you need the call to kb() at the end; defining the function is enough. Also, 1 space of indentation is enough. After making these changes, I get 108 bytes, using this site. \$\endgroup\$ Nov 27, 2015 at 20:51
  • \$\begingroup\$ @ETHproductions wow I didn't know that once space thing. (New to python). Thanks again for your help! \$\endgroup\$ Nov 27, 2015 at 21:03
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Bash, 80 bytes

x="qwertzuiop\nasdfghjkl\nyxcvbnm"&&echo -e ${x#*$1}|sed 's/./& /g'

Try it yourself, either replace $1 with desired character or make a #!/bin/bash script.

Here are some samples from cygwin:

$x="qwertzuiop\nasdfghjkl\nyxcvbnm"&&echo -e ${x#*q}|sed 's/./& /g'
w e r t z u i o p
a s d f g h j k l
y x c v b n m

$x="qwertzuiop\nasdfghjkl\nyxcvbnm"&&echo -e ${x#*m}|sed 's/./& /g'

$x="qwertzuiop\nasdfghjkl\nyxcvbnm"&&echo -e ${x#*h}|sed 's/./& /g'
j k l
y x c v b n m

It's not the shortest, but I'm still proud of it!

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PHP, 83 bytes

<?=trim(explode($argv[1],"qw e r t y u i o p
a s d f g h j k l
z x c v b n m")[1]);

Takes the letter from the command line, like:

$ qwerty.php y
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Bash, 74 bytes

Took a different approach than @Cajova_Houba's answer, so I posted it separately. Ended up not being too much shorter because I initially forgot to deal with space-separating the output.

cut -d"$1" -f2<<<"qwertzuiop asdfghjkl yxcvbnm"|tr ' ' "\n"|sed 's/./& /g'

Takes input as a command line argument, or just replace $1 manually and run it straight from terminal.

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Haskell, 79 bytes

drop 2.snd.(`span`"q w e r t y u i o p\na s d f g h j k l\nz x c v b n m").(/=)

Try it online!

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C (gcc), 57 bytes

f(c){puts(strchr("qwertyuiop\nasdfghjkl\nzxcvbnm",c)+1);}

Try it online!

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