Script writing in sed

[BufordPants]

Can someone show me a script written using sed:

a)There is no trailing white space
b)Every comma is followed by one space
c) Every period is followed by two spaces
d)consecutive words are separated by one space
e)except for the above the file is otherwise unchanged

[geirha]

Do it one step at a time, then combine all commands. An example with your a and d:

a) remove trailing whitespace, s/ *$//
d) squeze spaces s/ \{1,\}/ /g



sed 's/ *$//; s/ \{1,\}/ /g' file > newfile

[DaithiF]

and just to round this out ... the other 2 pieces you wanted added here:

sed 's/ *$//; s/ \{1,\}/ /g; s/, */, /g; s/\. */. /g' somefile > newfile