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Full Discussion: Replace special characters
Top Forums Shell Programming and Scripting Replace special characters Post 302584120 by ratheeshjulk on Thursday 22nd of December 2011 08:18:55 PM
Old 12-22-2011
Replace special characters
I have a line ending with special character and 0
The special character is the field separator for this line
in VI mode the file will look like below, but while cat the special character wont display

i know the hexa code for the special character ^_ is \x1f and ascii code is
\0037,


Code:
000^_^_^_^_^_^_0.000000^_^_^_^_^_^_^_^_^_^_^_^_0^_0.000000^_^_^_^_0^_0^_^_^_0



I can filter these lines which is ending with ^_0 with the below command

Code:
grep `echo "\0037"`0$ filenam


Now my requirement is i want add one end delimiter to such lines.
simply i want replace the last ^_0with ^_0{}, where {} is the new sring i am going to add as an end delimeter


the whole file will look like this
Code:
30093354^_40^_1^_1^_615220181^_1324314123^_b0002
b00^_^_^_b0002
b0002/038513530400025^_2^_9^_3^_1324929600^_1^_1^_19.070000^_0.000000^_19.070000^_0.000000^_0.000000^_USD ^_1.000000^_USD ^_0^_1^_1^_1^_^_^_^_^_3^_^_2^_ ^_1324314123907^_^_^_^_0^_0.000000^_^_^_^_^_^_^_^_0^_0.000000^_^_^_^_0^_0^_^_^_0
68576101^_4^_1^_1^_628398181^_1323894124^_m1500
M15^_^_^_m1500
M1500/038513480015005^_2^_9^_3^_1324501200^_1^_1^_31.410000^_0.000000^_31.410000^_0.000000^_0.000000^_USD ^_1.000000^_USD ^_0^_0^_0^_0^_^_^_^_56^_3^_^_20^_ ^_1323894124565^_^_^_^_0^_0.000.000000^_^_^_^_^_^_^_^_^_^_^_^_0^_0.000000^_^_0^_0^_0^_0^_^_^_0

>

out put should be something like this

Code:
30093354^_40^_1^_1^_615220181^_1324314123^_b0002
b00^_^_^_b0002
b0002/038513530400025^_2^_9^_3^_1324929600^_1^_1^_19.070000^_0.000000^_19.070000^_0.000000^_0.000000^_USD ^_1.000000^_USD ^_0^_1^_1^_1^_^_^_^_^_3^_^_2^_ ^_1324314123907^_^_^_^_0^_0.000000^_^_^_^_^_^_^_^_0^_0.000000^_^_^_^_0^_0^_^_^_0{}
68576101^_4^_1^_1^_628398181^_1323894124^_m1500
M15^_^_^_m1500
M1500/038513480015005^_2^_9^_3^_1324501200^_1^_1^_31.410000^_0.000000^_31.410000^_0.000000^_0.000000^_USD ^_1.000000^_USD ^_0^_0^_0^_0^_^_^_^_56^_3^_^_20^_ ^_1323894124565^_^_^_^_0^_0.000.000000^_^_^_^_^_^_^_^_^_^_^_^_0^_0.000000^_^_0^_0^_0^_0^_^_^_0{}

>

---------- Post updated at 08:18 PM ---------- Previous update was at 08:21 AM ----------

I solved the issue, But for some reason i could'nt use the desired string '{}' but managed with 'Ç'

Code:
perl -i -ne 's;(\x1F)0\n;\x1F0Ç\n;g;print;' file

 

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LEARN ABOUT SUNOS

gucharmap

gnome-character-map(1)						   User Commands					    gnome-character-map(1)

NAME

       gnome-character-map, gucharmap - insert special characters into a document

SYNOPSIS

       gnome-character-map [--font=string]

DESCRIPTION

       The  Character Map application enables you to select characters from a character table, then combine the characters into a text string with
       standard characters. You can insert the text string that you create into other applications, such as text editor documents.

       Character Map provides accented characters, mathematical symbols, special symbols, and punctuation marks. Many of the  characters  are  not
       available on a standard keyboard.

OPTIONS

       The following options are supported:

       --font=string   Specify	the font name and point size that you want to use to display the characters in the character table, when you start
		       Character Map.

EXAMPLES

       Example 1: Launching Character Map

       example% gnome-character-map

       Example 2: Launching Character Map With Specified Font Name and Point Size

       example% gnome-character-map --font="bitstream vera sans italic 20"

EXIT STATUS

       The following exit values are returned:

       0	Application exited successfully

       >0	Application exited with failure

FILES

       The following files are used by this application:

       /usr/bin/gnome-character-map    Executable for Character Map.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWgnome-character-map	   |
       +-----------------------------+-----------------------------+
       |Interface stability	     |External			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       Character Map Manual

       Latest version of the GNOME Desktop User Guide for your platform.

NOTES

       Written by Glynn Foster, Sun Microsystems  Inc., 2003.

SunOS 5.10							    20 Jan 2004 					    gnome-character-map(1)
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