Makefile

   1 build:
   2         mkdir -p about code writing
   3         sed '/id=\"menu\"/s/middle/top/; /<body/s/yellow/green/; /id=\"about\"/s/class=\".*\"/class=\"selected\"/; /data-name=\"about\"/s/class=\"\"/class=\"selected\"/' < index.html > about/index.html
   4         sed '/id=\"menu\"/s/middle/top/; /<body/s/yellow/blue/; /id=\"code\"/s/class=\".*\"/class=\"selected\"/; /data-name=\"code\"/s/class=\"\"/class=\"selected\"/' < index.html > code/index.html
   5         sed '/id=\"menu\"/s/middle/top/; /<body/s/yellow/pink/; /id=\"writing\"/s/class=\".*\"/class=\"selected\"/; /data-name=\"writing\"/s/class=\"\"/class=\"selected\"/' < index.html > writing/index.html