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Full Discussion: Simple ksh script problem
Top Forums Shell Programming and Scripting Simple ksh script problem Post 83023 by vino on Friday 9th of September 2005 08:50:03 AM
Old 09-09-2005
Quote:
Originally Posted by Warrior232
grep -i $compnumber $compdate $model $manufacturer $price $compfile | tr ':' ' '
echo
if [ $? -eq 1 ]
then
echo "No Matching Records Found"
fi
echo "Press ENTER to continue..."
read continue
Why the colored echo ? It always returns true.

When you remove that echo, you would still face the problem.

The reason why the echo "No Matching Records Found" wont happen is because all results are piped to tr and the actual exit status gets overwritten before the if statement.

Look at this post for a solution on how to catch an intermediate exit status.

Vino
 

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COLORS(3)						   libbash colors Library Manual						 COLORS(3)

NAME
colors -- libbash library for setting tty colors. SYNOPSIS
colorSet <color> colorReset colorPrint [<indent>] <color> <text> colorPrintN [<indent>] <color> <text> DESCRIPTION
General colors is a collection of functions that make it very easy to put colored text on tty. The function list: colorSet Sets the color of the prints to the tty to COLOR colorReset Resets current tty color back to normal colorPrint Prints TEXT in the color COLOR indented by INDENT (without adding a newline) colorPrintN The same as colorPrint, but trailing newline is added Detailed interface description follows. Available colors: Green Red Yellow White The color parameter is non-case-sensitive (i.e. RED, red, ReD, and all the other forms are valid and are the same as Red). FUNCTIONS DESCRIPTIONS
colorSet <color> Sets the current printing color to color. colorReset Resets current tty color back to normal. colorPrint [<indent>] <color> Prints text using the color color indented by indent (without adding a newline). Parameters: <indent> The column to move to before start printing. This parameter is optional. If ommitted - start output from current cursor position. <color> The color to use. <color> The text to print. colorPrintN [<indent>] <color> The same as colorPrint, except a trailing newline is added. EXAMPLES
Printing a green 'Hello World' with a newline: Using colorSet: $ colorSet green $ echo 'Hello World' $ colorReset Using colorPrint: $ colorPrint 'Hello World'; echo Using colorPrintN: $ colorPrintN 'Hello World' AUTHORS
Hai Zaar <haizaar@haizaar.com> Gil Ran <gil@ran4.net> SEE ALSO
ldbash(1), libbash(1) Linux Epoch Linux
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