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Full Discussion: Timeouts in expect script
Top Forums Shell Programming and Scripting Timeouts in expect script Post 302596576 by Chubler_XL on Tuesday 7th of February 2012 07:47:56 PM
Old 02-07-2012
\u001b produces the unicode string for the <ESC> (hex 1B) character.

As most ANSI excape sequences start with <ESC>[ deleting this sequence (and the next 2 following characters) should remove most VT100/ANSI sequences from the string.

Not sure what you are trying to achieve by flushing the buffers expect "*" will match everything out of the buffer but no further expects will find anything. Perhaps a "grep -v <string>" in the command chain might be closer to what you want.

Another option, is to write the matched output to a local find and use unix local *nix tools to cut out what you don't want. I generally prefer this cause I find the *nix tools much easier than expect/tcl for this sort of thing.
 

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LEARN ABOUT CENTOS

cr

cr(1)							      General Commands Manual							     cr(1)

NAME

       cr - converts text files between nix EOL and dos EOL

SYNOPSIS

       cr  - | +  <input file> <output file>

DESCRIPTION

       Text  files,  such  as tle files, that come from a dos source usualy have the ^M symbol at the end of every line. Cr converts files between
       the dos newline format and the normal *nix newline format by stripping the ^M to convert dos to *nix, using the '-' option, or adding ^M to
       a *nix file to create the proper dos file when the '+' option is used.

       Although this extra character is not often a problem, programs like seesat5, which are data driven will encounter parsing problems when the
       extra character is present. It is these problems that cr is intended to repair.

   Options
       - | +  One or the other of these options is required. The '-' option is used to remove ^M from all newlines found in the dos file. The  '+'
	      option is used to add ^M to every newline found in a *nix file.

       input file
	      Fully delineated path to the input file. As this program is used in the dos environment as well, standard input is not used.

       output file
	      Fully delineated path to the output file. As this program is used in the dos environment as well, standart output is not used.

SEE ALSO

       seesat5(1), seesat5(7), SEESAT5.INI(5), tle(5)

BUGS

       Cr  is  not an inteligent program. It methodicaly replaces/removes the offending character when it finds it in the correct context. Newline
       sequences found in contexts other than 'newline' will be replaced/removed just like those found in the proper  context.	Passing  a  binary
       file through cr is not advised, for this reason. Send all inqueries to Dale Scheetz <dwarf@polaris.net>.

Debian Linux							    2 April 96								     cr(1)
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