i got a bunch of files with differert headers  for files of one type,their may be two kinds of headers,i.e. the following two type(call it type1 and type 2) of files's headers type1: a,b,c34,d     or     a,b,c,d type2: d,e,f,kgg      or     d,e,f,g notice that the third field names of type1 are c or c34,the forth field names of type2 are kgg or g,the field name c34 and kgg are wrong, and need to be changed to c and g i want to change the headers only(that is, the first line) using  kv pairs, key is the string to be replaced and value is the  replacement value ,such as  {"c34":"c" "kgg":"g" "hqq":"h" .... } i want to do this using  replacetext but the processor replacetext could only set one search and  replacement value,that's the problem!! any ideas would be welcome   ... View more