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Very common question: Feynman Diagrams in LaTeX

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0 I know about a lot of solutions how to draw Feynman diagrams in LaTeX. Unfortunately, noone of them is perfect. I know about TikZ-Feynman and it is the best variant (may be) but I do not understand how to work with LuaLatex using cyrillic and latin at the same document. Moreover, as I understand, some of math and fonts packages do not work in LuaLatex. So, my questions: Are there any simple & good packages for diagrams which use pdflatex? Can anyone please give reference to source with TikZ-Feynman & LuaLatex where I can find all the information about math & fonts in LuaLatex? If it is the duplicate question, sorry. luatex tikz-feynman feynman share ...

I want to compare two files and get the difference in new file with the changed column number for each row

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0 I want to compare two files and get the difference in new file with the changed column number for each row. Both the files have same structure with sorted data and same number of rows. I have two files, File 1 01|Akshaya|9657|Pune 02|Samiksha|8391|Mumbai File 2 01|Akshaya|9657|Nashik 02|Samiksha|0202|Nagpur I want to compare these two files and need output like below in new file. File 3 Sr no|Col no 01|3 02|2,3 Can someone please help me on this ??? shell-script shell share | improve this question edited 14 mins ago Archemar 20.1k 9 37 72 ...