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+" Echoes longest line number and lenght.
+function! LongestLineLength ( )
+    let maxlength = 0
+    let linenumber= 1
+    while linenumber <= line("$")
+        exe ":".linenumber
+        let linelength = virtcol("$")
+        if maxlength < linelength
+            let maxlength = linelength
+            let maxlinenumber = linenumber
+        endif
+        let linenumber = linenumber+1
+    endwhile
+
+"exe ':0'
+"exe 'normal O'
+"exe 'normal 0C'.maxlength
+    exe "normal" . maxlinenumber . "G"
+    exe ":echo \"" . maxlinenumber . ": " . maxlength . "\""
+endfunction
+
+command LongestLineLength call LongestLineLength() 
+
+
+" Save markdown document and export to pdf using pandoc.
+"
+" It would be nicer if a default document would be used but I coulnd't made it
+" to work even after reading that manual section like 2 times.  Also, there are
+" variables that are lists of other variables that I don't know how to make them
+" work (e.g. geometry=[top=1in, bottom=1in, heightrounded])
+function! Md2Pdf ( )
+    exe ":w"
+    "-N     for numbered headers
+    exe ":! pandoc -o \"" . expand("%:r") . ".pdf\" -t latex --variable classoption=twosides --variable papersize=a4 --variable margin-left=1in --variable margin-right=1in --variable margin-top=1in --variable margin-bottom=1in --variable links-as-notes --variable colorlinks --variable pagestyle=plain --variable documentclass=article -f markdown-implicit_figures \"" . expand("%") . "\""
+    echo "pdf saved as \"" . expand("%:p:r") . ".pdf\""
+endfunction
+
+function! Md2Pdfms ( )
+    exe ":w"
+    exe ":! pandoc -o " . expand("%:r") . ".pdf" . " -t ms -f markdown-implicit_figures \"" . expand("%") . "\""
+    echo "pdf saved as " . expand("%:p:r") . ".pdf"
+endfunction
+
+command Md2Pdf call Md2Pdf() 
+command Md2Pdfms call Md2Pdfms() 
+
+
+" Save markdown document and export to html using pandoc
+function! Md2Html ( )
+    exe ":w"
+    "exe ":! pandoc -s --toc -H ~/mahcode/markdown/pandoc/pandoc_style.html --highlight-style tango -o \"" . expand("%:r") . ".html\"" . " \"" . expand("%") . "\""
+    exe ":! pandoc --highlight-style tango -o \"" . expand("%:r") . ".html\"" . " \"" . expand("%") . "\""
+    echo "html saved as " . expand("%:p:r") . ".html"
+endfunction
+
+command Md2Html call Md2Html() 
+
+" Save markdown as ODT file (.docx is also possible)
+function! Md2Odt ( )
+    exe ":w"
+    exe ":! pandoc -s --toc -H ~/mahcode/markdown/pandoc/pandoc_style.html --highlight-style tango -o \"" . expand("%:r") . ".odt\"" . " \"" . expand("%") . "\""
+    echo "ODT saved as " . expand("%:p:r") . ".odt"
+endfunction
+
+command Md2Odt call Md2Odt() 
+
+
+" Compiles and Runs a C++ project
+" TODO: how to add program's arguments or file redirectioning  from command.
+function! CompRunProj ( )
+    exe ":w"
+    exe ":! g++ -o " . expand("%:r") . "-g *.cpp"
+    exe ":! ./" . expand("%:r")
+endfunction
+
+command CompRunProj call CompRunProj()
+
+
+" Function made to give feedback to students code in 1INF01
+" export C code to syntax highlighted pdf
+function! C2Pdf ( )
+    exe ":set ts=4"
+    exe ":w"
+    exe ":ha > %.ps"
+    exe ":!ps2pdf %.ps"
+    exe ":!rm %.ps"
+endfunction
+
+command C2Pdf call C2Pdf()