Macros (edmac command) are simple tools to customize typical routine works. For instance, thsi is an example to record, process and plot a protn spectrum with the minor user interaction .

Example:

1. Type edmac proton
2. Insert the following lines:
   edc
   rpar PROTON all
   getprosol
   ns
   rga
   zg
   ft
   apk
   abs
   plot
   and save the file
3. Type proton from the XWINNMR command line. Each line of the program will be sequentially executed.