Change text color in Korn shell to highlight Error Post: 302726773

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Top Forums Shell Programming and Scripting Change text color in Korn shell to highlight Error Post 302726773 by KeithJ on Monday 5th of November 2012 07:27:16 AM

11-05-2012

Registered User

Change text color in Korn shell to highlight Error

Hi this is my first post, so forgive me if what I'm requesting doesn't make sense.

I'm connecting into a Unix server via SSH and using a Korn Shell (#!/bin/ksh). The Unix server has Oracle 11g installed on it and there are a number of scripts already setup to query the Oracle database to perform specific functions (ex: reset a user's password, etc.).

When running these scripts the output shows more information then I want to see (ex: information about the oracle database connection). I want only specific text in the output to be colored (ex: successful text = green, error text = red).

Example 1:

Code:

Database connection text...
ERROR: The command you specified is invalid.
More database text...

Example 2:

Code:

Database connection text...
SUCCESS: The command completed successfully.
More database text...

The one problem is I don't have access to edit these scripts, so I was looking at adding some custom code into the /etc/bashrc or /etc/profile file to accomplish this. Is this possible? I have been playing with adding code in the /etc/profile to change the prompt colors, but not sure how to change the color of specific text from a scripts output. Also I can look at the code inside the script, which starts out like this ($ORACLE_HOME/bin/sqlplus maint/). Any insight into how I could do this is appreciated.

KeithJ

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LEARN ABOUT REDHAT

set_color

set_color(1)							       fish							      set_color(1)

NAME

       set_color - set_color - set the terminal color

set_color - set the terminal color
   Synopsis
       set_color [-v --version] [-h --help] [-b --background COLOR] [COLOR]

   Description
       Change the foreground and/or background color of the terminal. COLOR is one of black, red, green, brown, yellow, blue, magenta, purple,
       cyan, white and normal.

       o -b, --background Set the background color

       o -c, --print-colors Prints a list of all valid color names

       o -h, --help Display help message and exit

       o -o, --bold Set bold or extra bright mode

       o -u, --underline Set underlined mode

       o -v, --version Display version and exit

       Calling set_color normal will set the terminal color to whatever is the default color of the terminal.

       Some terminals use the --bold escape sequence to switch to a brighter color set. On such terminals, set_color white will result in a grey
       font color, while set_color --bold white will result in a white font color.

       Not all terminal emulators support all these features. This is not a bug in set_color but a missing feature in the terminal emulator.

       set_color uses the terminfo database to look up how to change terminal colors on whatever terminal is in use. Some systems have old and
       incomplete terminfo databases, and may lack color information for terminals that support it. Download and install the latest version of
       ncurses and recompile fish against it in order to fix this issue.

Version 1.23.1							  Sun Jan 8 2012						      set_color(1)

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