Delila Program: fl

fl program

Documentation for the fl program is below, with links to related programs in the "see also" section.

{const version = 1.14; (* of fl.p 1995 Sep 21}

(* begin module describe.flag *)
      fl: points out excessively long lines

      flag (input: in, output: out)

      input: a text file; typically pascal source code.
      output: the first line of input followed by a list of the lines which are
            too long.  the list gives the line number of each line, the line
            itself and a flag on the last acceptable character.
      during transportation of files from one computer to another, lines
      longer than 80 characters are often truncated to 80 characters to make
      'card images' on the tape.  this byzantine practice is left over
      from the days when cards were the state-of-the-art in talking to
      computers.  since the tape does not know what a 'card image' is,
      and since cards are going the way of the passenger pigeon,
      this is like equipping a nuclear oil tanker with oars.  maybe
      someday things will be different, but until then, flag exists
      and will detect long lines, allowing one to fix a program or file
      before transportation.  note: trailing blanks on each line are

      This program is like the flag program except that it works from
      the standard input and output files.

      john hoffhines and tom schneider

see also

      none known

technical notes
      the constant 'maxline' defines the number of characters accepted
      on each line.  we recommend that maxline be set to 80 because this
      is the standard number of characters on a punched card.

(* end module describe.flag *)
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