start working on vim script for equation array?,

scripts/ieeeeqnarray.py

@@ -0,0 +1,29 @@
+# A python script designed to parse the contents of an \[ \] in latex (given in the arguments), and make a nice IEEEeqnarray* with correct indent and columns from it.
+
+import sys
+
+indent=len(sys.argv[1])-4  # Indent got by the indent of the leading \[ of equation
+topline = sys.argv[2].strip()  # Get the content of the first line of the equation
+level = 0  # Counts the 'level' of stacked braces
+position = 0  # Will save the position of the found = in the top line
+parsed_line = ''  # Parsed top line
+
+for x in topline:
+    if x in ['(','[','{']:
+        level+=1
+        parsed_line+=x
+    elif x in [')',']','}']:
+        level-=1
+        parsed_line+=x
+    elif level == 0 and x == '=':
+        position = len(parsed_line)
+        parsed_line+='& = &'
+    else:
+        parsed_line+=x
+
+# Set correct indent and newline to the parsed line
+parsed_line = ' '*(indent+4) + parsed_line[0:-1].strip() + ' \\\\\n'
+
+# Print the output, adding \begin{}, the top line, a new line with '& = &' and \end{}
+print(" "*indent +"\\begin{IEEEeqnarray*}{rCl}\n" + parsed_line +  ' '*(position+indent+4) + "& = & \n" + " "*indent + "\\end{IEEEeqnarray*}")
+