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#print Let's do a quick review of the things covered in the files course. To begin, how many files are there in the current directory? Type "answer N", where N is the number that you found. #create X1

#print Sometimes you want to request one of a limited range of characters. This is possible with an expression like [a-d] which matches a, b, c, or d. Thus, to take some combinations ab[c-f] mat

#print Another very useful command is the command diff x y which compares two files. It will not print any output if the two files are the same, but if the files are different it will print out the

#print To compare two files, you can use the command "diff" (differences); the line diff xx yy will compare the files xx and yy and tell you about any differences between them. If the files are the

#print Another standard feature of scientific papers, although not always present is an abstract. It should be placed after the author's institution, but before the text, and surrounded by the comman

#print Also, most documents have one or more authors. Authors are indicated by a preceding line of ".AU". Thus you would say .TL title .AU author .PP text OK, edit "decl" again: the author is

#print This script deals with the use of the "-ms" macro package to produce Bell Laboratories style documents. Before trying it, you should be familiar with the editor. To test that, please enter the

#print The file "decl" began with ".PP". All files sent to -ms MUST begin with a "-ms" command line. You can tell these command lines, in general, because they begin with a period and have only capi

#next 1.1a 5

#print Usually, in addition to the author, you want to specify his address, which is given after a command ".AI" (Author's institution). This should follow immediately after the author's name. In the