aparler/RosettaCodeData
1
0
Fork 0
Code Issues 12 Pull requests 3 Projects Releases Packages Wiki Activity Actions

Data commit

Browse source
This commit is contained in:
Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
199093 changed files with 3378972 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

20
Task/Hash-join/PlainTeX/hash-join.tex Normal file
View file

@ -0,0 +1,20 @@
\newtoks\tabjoin
\def\quark{\quark}
\def\tabA{27:Jonah,18:Alan,28:Glory,18:Popeye,28:Alan}
\def\tabB{Jonah:Whales,Jonah:Spiders,Alan:Ghosts,Alan:Zombies,Glory:Buffy}
\def\mergejoin{\tabjoin{}\expandafter\mergejoini\tabA,\quark:\quark,}
\def\mergejoini#1:#2,{%
\ifx\quark#1\the\tabjoin
\else
\def\mergejoinii##1,#2:##2,{%
\ifx\quark##2\else
\tabjoin\expandafter{\the\tabjoin#1 : #2 : ##2\par}%
\expandafter\mergejoinii\expandafter,%
\fi
}%
\expandafter\mergejoinii\expandafter,\tabB,#2:\quark,%
\expandafter\mergejoini
\fi
}
\mergejoin
\bye