Initial data commit

Task/FASTA-format/Nim/fasta-format.nim

@@ -0,0 +1,20 @@
+import strutils
+
+let input = """>Rosetta_Example_1
+    THERECANBENOSPACE
+    >Rosetta_Example_2
+    THERECANBESEVERAL
+    LINESBUTTHEYALLMUST
+    BECONCATENATED""".unindent
+
+proc fasta*(input: string) =
+    var row = ""
+    for line in input.splitLines:
+        if line.startsWith(">"):
+            if row != "": echo row
+            row = line[1..^1] & ": "
+        else:
+            row &= line.strip
+    echo row
+
+fasta(input)