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Full Discussion: SED on cygwin not working with Hex or Octal
Top Forums Shell Programming and Scripting SED on cygwin not working with Hex or Octal Post 302612615 by dazhoop on Monday 26th of March 2012 07:44:48 AM
Old 03-26-2012
SED on cygwin not working with Hex or Octal
Hi, I have downloaded a web page that I need to cleanup before passing to xmlstarlet.

Using UltraEdit's HEX utility part of my download is as follows:

3C 2F 61 3E 0A 09 0A 09 09 3C 2F 61 3E

which in ASCII is

Code:
</a>
	
		</a>

I need to locate this string and replace it with just </a>

I have tried:

Code:
awk '{ gsub(/\x0A\x09\x0A\x09\x09/, "<\/a>"); print}' in > out

Code:
sed -e 's/<\/a>\\n\\t\\n\\t\\t<\/a>/<\/a>/g' in > out

Code:
 sed -e 's/<\/a>\x0A\x09\x0A\x09\x09<\/a>/<\/a>/' in > out

Code:
sed -e  's/<\/a>\o012\o011\o012\o011\o011<\/a>/<\/a>/' in > out

but it is not having any of it - it just creates an identical output file.

I did create a test file with just two new lines in it and try "sedding" those but with no success. It is almost like my sed will not recognise anything other than plain text.

I am using sed GNU version 4.2.1 which, according to the documentation, happily supports such activities.

Any ideas folks?
Last edited by dazhoop; 03-26-2012 at 08:58 AM..
 

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LEARN ABOUT CENTOS

ifp

IFP(1)							      General Commands Manual							    IFP(1)

NAME

       ifp - access iRiver iFP audio devices

SYNOPSIS

       ifp command [arguments ...]

DESCRIPTION

       ifp  lets  you manage your music on an iRiver iFP music player acting in "Manager Mode". If your player is using "UMS Mode", then you don't
       need this program; it will appear as new drive when you plug it in.

       This manual page documents the version of ifp included as an example application for the libifp library. The interface is intended to mimic
       the ifp binary found in the ifp-line binary package.

       ifp can upload or download files or directories, delete or make directories on the device, format the device, or upgrade your firmware.

COMMANDS

       ls [directory]
	      List the files and directories on the device. The root directory is /.  Directories are preceded with 'd' and other files with 'f'.

       df     Display total and free space on the device.

       upload localfile remotefile
	      Copy the file named localfile to the iFP device, and name it remotefile. (This is like cp.)

       upload localfile remotedir
	      Copy the file named localfile to the iFP device, into remotedir.	(This is like cp.)

       upload localdir remotedir
	      Copy  the entire directory localdir to the device, into remotedir.  This copies into a subdirectory, so upload foo / puts files from
	      the directory foo info /foo on the device. (This is like cp -R.) This uploads the entire directory, not just audio files.

       put localfile | localdir
	      Upload the file or directory to the device, with the same name it has locally. If a directory is given, it is put in /.

       download remotefile localfile

       download remotefile localdir

       download remotedir localdir
	      Like upload, but copies from the iFP device to your system. Some proprietary file types may not be downloaded.

       get remotefile | remotedir
	      Like put, but copies files or directories from the device to your current working directory.

       rm [-r] file
	      Delete (recursively) a file (or directory) on the device.

       rmdir dir
	      Delete an empty directory on the device.

       mkdir dir
	      Create a directory on the device.

       battery
	      Display battery status of the device.

       typestring
	      Display the model number of the device.

       firmversion
	      Display the firmware revision currently on the device.

       format Reformat the device's memory. This will delete all your music.

       firmupdate FIRMWARE.HEX
	      Upload the file FIRMWARE.HEX as new firmware for the device. This will not delete your music, but may have  many	other  detrimental
	      effects.	Don't turn the device off or unplug it while the firmware is updating, and don't attempt to upload new firmware with a low
	      battery.

AUTHORS

       libifp was written by Geoff Oakham, based  on  ifp  by  Yamashiro  Jun.	 This  manual  page  was  written  for	Debian	by  Joe  Wreschnig
       <piman@debian.org>, but may be used by others.

								  May 30th, 2004							    IFP(1)
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