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Full Discussion: Advanced Search & Delete Text File
Top Forums Shell Programming and Scripting Advanced Search & Delete Text File Post 302251842 by joeyg on Tuesday 28th of October 2008 08:53:46 AM
Old 10-28-2008
Hammer & Screwdriver Just thinking through this...
Change all new-line characters to something else
tr "\n" "~"

Change all ctrl-Z to new-line
(I think ctrl-z is octal 32, so...)
tr "\32" "\n"

All the messages would now be one per line. Thus, you could use head and tail commands to break apart the file.
When done, reverse the previous two steps.


Make sense?
 

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LEARN ABOUT SUSE

ansi_cctrl

term::ansi::code::ctrl(n)					 Terminal control					 term::ansi::code::ctrl(n)

__________________________________________________________________________________________________________________________________________________

NAME

       term::ansi::code::ctrl - ANSI control sequences

SYNOPSIS

       package require Tcl  8.4

       package require term::ansi::code  ?0.1?

       package require term::ansi::code::ctrl  ?0.1.1?

       ::term::ansi::code::ctrl::names

       ::term::ansi::code::ctrl::import ?ns? ?arg...?

       ::term::ansi::code::ctrl::eeol

       ::term::ansi::code::ctrl::esol

       ::term::ansi::code::ctrl::el

       ::term::ansi::code::ctrl::ed

       ::term::ansi::code::ctrl::eu

       ::term::ansi::code::ctrl::es

       ::term::ansi::code::ctrl::sd

       ::term::ansi::code::ctrl::su

       ::term::ansi::code::ctrl::ch

       ::term::ansi::code::ctrl::sc

       ::term::ansi::code::ctrl::rc

       ::term::ansi::code::ctrl::sca

       ::term::ansi::code::ctrl::rca

       ::term::ansi::code::ctrl::st

       ::term::ansi::code::ctrl::ct

       ::term::ansi::code::ctrl::cat

       ::term::ansi::code::ctrl::qdc

       ::term::ansi::code::ctrl::qds

       ::term::ansi::code::ctrl::qcp

       ::term::ansi::code::ctrl::rd

       ::term::ansi::code::ctrl::elw

       ::term::ansi::code::ctrl::dlw

       ::term::ansi::code::ctrl::eg

       ::term::ansi::code::ctrl::lg

       ::term::ansi::code::ctrl::scs0 tag

       ::term::ansi::code::ctrl::scs1 tag

       ::term::ansi::code::ctrl::sda arg...

       ::term::ansi::code::ctrl::sda_fgblack

       ::term::ansi::code::ctrl::sda_fgred

       ::term::ansi::code::ctrl::sda_fggreen

       ::term::ansi::code::ctrl::sda_fgyellow

       ::term::ansi::code::ctrl::sda_fgblue

       ::term::ansi::code::ctrl::sda_fgmagenta

       ::term::ansi::code::ctrl::sda_fgcyan

       ::term::ansi::code::ctrl::sda_fgwhite

       ::term::ansi::code::ctrl::sda_fgdefault

       ::term::ansi::code::ctrl::sda_bgblack

       ::term::ansi::code::ctrl::sda_bgred

       ::term::ansi::code::ctrl::sda_bggreen

       ::term::ansi::code::ctrl::sda_bgyellow

       ::term::ansi::code::ctrl::sda_bgblue

       ::term::ansi::code::ctrl::sda_bgmagenta

       ::term::ansi::code::ctrl::sda_bgcyan

       ::term::ansi::code::ctrl::sda_bgwhite

       ::term::ansi::code::ctrl::sda_bgdefault

       ::term::ansi::code::ctrl::sda_bold

       ::term::ansi::code::ctrl::sda_dim

       ::term::ansi::code::ctrl::sda_italic

       ::term::ansi::code::ctrl::sda_underline

       ::term::ansi::code::ctrl::sda_blink

       ::term::ansi::code::ctrl::sda_revers

       ::term::ansi::code::ctrl::sda_hidden

       ::term::ansi::code::ctrl::sda_strike

       ::term::ansi::code::ctrl::sda_nobold

       ::term::ansi::code::ctrl::sda_noitalic

       ::term::ansi::code::ctrl::sda_nounderline

       ::term::ansi::code::ctrl::sda_noblink

       ::term::ansi::code::ctrl::sda_norevers

       ::term::ansi::code::ctrl::sda_nohidden

       ::term::ansi::code::ctrl::sda_nostrike

       ::term::ansi::code::ctrl::sda_reset

       ::term::ansi::send::fcp row col

       ::term::ansi::code::ctrl::cu ?n?

       ::term::ansi::code::ctrl::cd ?n?

       ::term::ansi::code::ctrl::cf ?n?

       ::term::ansi::code::ctrl::cb ?n?

       ::term::ansi::code::ctrl::ss ?s e?

       ::term::ansi::code::ctrl::skd code str

       ::term::ansi::code::ctrl::title str

       ::term::ansi::code::ctrl::gron

       ::term::ansi::code::ctrl::groff

       ::term::ansi::code::ctrl::tlc

       ::term::ansi::code::ctrl::trc

       ::term::ansi::code::ctrl::brc

       ::term::ansi::code::ctrl::blc

       ::term::ansi::code::ctrl::ltj

       ::term::ansi::code::ctrl::ttj

       ::term::ansi::code::ctrl::rtj

       ::term::ansi::code::ctrl::btj

       ::term::ansi::code::ctrl::fwj

       ::term::ansi::code::ctrl::hl

       ::term::ansi::code::ctrl::vl

       ::term::ansi::code::ctrl::groptim str

       ::term::ansi::code::ctrl::clear

       ::term::ansi::code::ctrl::init

       ::term::ansi::code::ctrl::showat row col text

_________________________________________________________________

DESCRIPTION

       This  package  provides	symbolic  names  for  the ANSI control sequences. For each sequence a single command is provided which returns the
       sequence as its result. None of the commands of this package  write  to	a  channel;  that  is  handled	by  higher  level  packages,  like
       term::ansi::send.

API

   INTROSPECTION
       ::term::ansi::code::ctrl::names
	      This command is for introspection. It returns as its result a list containing the names of all attribute commands.

       ::term::ansi::code::ctrl::import ?ns? ?arg...?
	      This  command imports some or all attribute commands into the namespace ns. This is by default the namespace ctrl. Note that this is
	      relative namespace name, placing the imported command into a child of the current namespace. By default all commands  are  imported,
	      this can howver be restricted by listing the names of the wanted commands after the namespace argument.

   SEQUENCES
       ::term::ansi::code::ctrl::eeol
	      Erase (to) End Of Line

       ::term::ansi::code::ctrl::esol
	      Erase (to) Start Of Line

       ::term::ansi::code::ctrl::el
	      Erase (current) Line

       ::term::ansi::code::ctrl::ed
	      Erase Down (to bottom)

       ::term::ansi::code::ctrl::eu
	      Erase Up (to top)

       ::term::ansi::code::ctrl::es
	      Erase Screen

       ::term::ansi::code::ctrl::sd
	      Scroll Down

       ::term::ansi::code::ctrl::su
	      Scroll Up

       ::term::ansi::code::ctrl::ch
	      Cursor Home

       ::term::ansi::code::ctrl::sc
	      Save Cursor

       ::term::ansi::code::ctrl::rc
	      Restore Cursor (Unsave)

       ::term::ansi::code::ctrl::sca
	      Save Cursor + Attributes

       ::term::ansi::code::ctrl::rca
	      Restore Cursor + Attributes

       ::term::ansi::code::ctrl::st
	      Set Tab (@ current position)

       ::term::ansi::code::ctrl::ct
	      Clear Tab (@ current position)

       ::term::ansi::code::ctrl::cat
	      Clear All Tabs

       ::term::ansi::code::ctrl::qdc
	      Query Device Code

       ::term::ansi::code::ctrl::qds
	      Query Device Status

       ::term::ansi::code::ctrl::qcp
	      Query Cursor Position

       ::term::ansi::code::ctrl::rd
	      Reset Device

       ::term::ansi::code::ctrl::elw
	      Enable Line Wrap

       ::term::ansi::code::ctrl::dlw
	      Disable Line Wrap

       ::term::ansi::code::ctrl::eg
	      Enter Graphics Mode

       ::term::ansi::code::ctrl::lg
	      Exit Graphics Mode

       ::term::ansi::code::ctrl::scs0 tag
	      Set default character set

       ::term::ansi::code::ctrl::scs1 tag
	      Set alternate character set Select Character Set.

	      Choose  which  character	set  is  used  for either default (scs0) or alternate font (scs1). This does not change whether default or
	      alternate font are used, only their definition.

	      The legal tags, and their meanings, are:

	      A      United Kingdom Set

	      B      ASCII Set

	      0      Special Graphics

	      1      Alternate Character ROM Standard Character Set

	      2      Alternate Character ROM Special Graphics

       ::term::ansi::code::ctrl::sda arg...
	      Set Display  Attributes.	The  arguments	are  the  code	sequences  for	the  possible  attributes,  as	provided  by  the  package
	      term::ansi::code::attr. For convenience this package also provides additional commands each setting a single specific attribute.

       ::term::ansi::code::ctrl::sda_fgblack
	      Set text color to Black.

       ::term::ansi::code::ctrl::sda_fgred
	      Set text color to Red.

       ::term::ansi::code::ctrl::sda_fggreen
	      Set text color to Green.

       ::term::ansi::code::ctrl::sda_fgyellow
	      Set text color to Yellow.

       ::term::ansi::code::ctrl::sda_fgblue
	      Set text color to Blue.

       ::term::ansi::code::ctrl::sda_fgmagenta
	      Set text color to Magenta.

       ::term::ansi::code::ctrl::sda_fgcyan
	      Set text color to Cyan.

       ::term::ansi::code::ctrl::sda_fgwhite
	      Set text color to White.

       ::term::ansi::code::ctrl::sda_fgdefault
	      Set default text color (Black).

       ::term::ansi::code::ctrl::sda_bgblack
	      Set background to Black.

       ::term::ansi::code::ctrl::sda_bgred
	      Set background to Red.

       ::term::ansi::code::ctrl::sda_bggreen
	      Set background to Green.

       ::term::ansi::code::ctrl::sda_bgyellow
	      Set background to Yellow.

       ::term::ansi::code::ctrl::sda_bgblue
	      Set background to Blue.

       ::term::ansi::code::ctrl::sda_bgmagenta
	      Set background to Magenta.

       ::term::ansi::code::ctrl::sda_bgcyan
	      Set background to Cyan.

       ::term::ansi::code::ctrl::sda_bgwhite
	      Set background to White.

       ::term::ansi::code::ctrl::sda_bgdefault
	      Set default background (Transparent).

       ::term::ansi::code::ctrl::sda_bold
	      Bold on.

       ::term::ansi::code::ctrl::sda_dim
	      Dim on.

       ::term::ansi::code::ctrl::sda_italic
	      Italics on.

       ::term::ansi::code::ctrl::sda_underline
	      Underscore on.

       ::term::ansi::code::ctrl::sda_blink
	      Blink on.

       ::term::ansi::code::ctrl::sda_revers
	      Reverse on.

       ::term::ansi::code::ctrl::sda_hidden
	      Hidden on.

       ::term::ansi::code::ctrl::sda_strike
	      Strike-through on.

       ::term::ansi::code::ctrl::sda_nobold
	      Bold off.

       ::term::ansi::code::ctrl::sda_noitalic
	      Italics off.

       ::term::ansi::code::ctrl::sda_nounderline
	      Underscore off.

       ::term::ansi::code::ctrl::sda_noblink
	      Blink off.

       ::term::ansi::code::ctrl::sda_norevers
	      Reverse off.

       ::term::ansi::code::ctrl::sda_nohidden
	      Hidden off.

       ::term::ansi::code::ctrl::sda_nostrike
	      Strike-through off.

       ::term::ansi::code::ctrl::sda_reset
	      Reset all attributes to their default values.

       ::term::ansi::send::fcp row col
	      Force Cursor Position (aka Go To).

       ::term::ansi::code::ctrl::cu ?n?
	      Cursor Up. n defaults to 1.

       ::term::ansi::code::ctrl::cd ?n?
	      Cursor Down. n defaults to 1.

       ::term::ansi::code::ctrl::cf ?n?
	      Cursor Forward. n defaults to 1.

       ::term::ansi::code::ctrl::cb ?n?
	      Cursor Backward. n defaults to 1.

       ::term::ansi::code::ctrl::ss ?s e?
	      Scroll Screen (entire display, or between rows start end, inclusive).

       ::term::ansi::code::ctrl::skd code str
	      Set Key Definition.

       ::term::ansi::code::ctrl::title str
	      Set the terminal title.

       ::term::ansi::code::ctrl::gron
	      Switch to character/box graphics. I.e. switch to the alternate font.

       ::term::ansi::code::ctrl::groff
	      Switch to regular characters. I.e. switch to the default font.

       ::term::ansi::code::ctrl::tlc
	      Character graphics, Top Left Corner.

       ::term::ansi::code::ctrl::trc
	      Character graphics, Top Right Corner.

       ::term::ansi::code::ctrl::brc
	      Character graphics, Bottom Right Corner.

       ::term::ansi::code::ctrl::blc
	      Character graphics, Bottom Left Corner.

       ::term::ansi::code::ctrl::ltj
	      Character graphics, Left T Junction.

       ::term::ansi::code::ctrl::ttj
	      Character graphics, Top T Junction.

       ::term::ansi::code::ctrl::rtj
	      Character graphics, Right T Junction.

       ::term::ansi::code::ctrl::btj
	      Character graphics, Bottom T Junction.

       ::term::ansi::code::ctrl::fwj
	      Character graphics, Four-Way Junction.

       ::term::ansi::code::ctrl::hl
	      Character graphics, Horizontal Line.

       ::term::ansi::code::ctrl::vl
	      Character graphics, Vertical Line.

       ::term::ansi::code::ctrl::groptim str
	      Optimize	character  graphics.  The  generator  commands	above create way to many superfluous commands shifting into and out of the
	      graphics mode. This command removes all shifts which are not needed. To this end it also knows which characters will look  the  same
	      in both modes, to handle strings created outside of this package.

       ::term::ansi::code::ctrl::clear
	      Clear screen. In essence a sequence of CursorHome + EraseDown.

       ::term::ansi::code::ctrl::init
	      Initialize default and alternate fonts to ASCII and box graphics.

       ::term::ansi::code::ctrl::showat row col text
	      Format the block of text for display at the specified location.

BUGS, IDEAS, FEEDBACK
       This  document, and the package it describes, will undoubtedly contain bugs and other problems.	Please report such in the category term of
       the Tcllib SF Trackers [http://sourceforge.net/tracker/?group_id=12883].  Please also report any ideas for enhancements you  may  have  for
       either package and/or documentation.

KEYWORDS

       ansi, attribute control, color control, control, terminal

COPYRIGHT

       Copyright (c) 2006-2008 Andreas Kupries <andreas_kupries@users.sourceforge.net>

term									0.1						 term::ansi::code::ctrl(n)
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