[HPADM] SUMMARY +additional info to vi question

From: Hustert Klaus-CKH035 (Klaus.Hustert@motorola.com)
Date: 04/25/03

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    From: Hustert Klaus-CKH035 <Klaus.Hustert@motorola.com>
To: "'HPADM (hpux-admin@dutchworks.nl)'" <hpux-admin@DutchWorks.nl>
Date: Fri, 25 Apr 2003 11:46:01 +0200

    Thanks to Bill that he add a very good additional solution

    He also hint me that I have to be aware of which numbers I mean, e.g. 12 is the line feed and 14 is the form feed (in octal!!!), in dec is 12 the form feed and 14 shift out ;-).

    Bill wrote:
    Use tr, it's much faster and simpler:

         tr -c "\014" "\040" < some_data_file > new_data_file

      014 is the CTRL-L or formfeed character (see man ascii)
      I used \040 to change the formfeed to a space. Just replace
      040 with whatever character you want from the ASCII chart.
      ALWAYS use a leading zero to specify an octal string as shown
      in the man page for ascii.

    Thanks again to all.

    -- Klaus

    Hi again,
    Thanks a lot who has responed:

    For the actual script I will use the ^v^L (ctrl v and ctrl L) solution. In future I will using sed or ed to get more speed.

    Here the suggestions: ################################################################################################
    Note that ^M is your guide, ^ (that is ^ and a space) is an ascii-readable view to value 0. ^A is for 1, ^B is for 2, ^L is for 12 and so on.

    If you know the <ctrl>v followed by a non-readable ascii code, you most likely once accidently hit <ctrl>vv and view at the prompt, it shows ^V !!

    THere you have it, to get ^L, just type <ctrl>v<ctrl>l. (and so you can also get ^M with <ctrl>v<ctrl>m)....
    The origin is the other way round: ^V is shorthand for <ctrl>v.

    Thanks to Corné, Harm and Cooper (excuse me when I am using the last name, I dunno it better ;-))

    ################################################################################################
    If you've got Perl installed, you can do this from the command line:

    $ perl -pi -e 's/\014//g' myfile
    Thanks to Christopher ################################################################################################

    sed -e 's/Ctrl-V Cr//g' -e 's/Ctrl-V Ctrl-L//g' File > file.out Thanks to Jack, Brett, Stuart

    Original question:
    Hi folks,
    I have a data stream and have to replace the form feed (^L; ASCII 12) with another symbol. My script looks like:

    vi xxx <<EOF1
    :%s/^M//g # I know I have to press ctrl+v in insert mode
                # and than the carrage return key to get the ^M
    :%s/^L//g # ,but how can I get the ^L ???
    :wq!
    EOF1

    Thanks in advance for advice.

    Klaus 

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