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Full Discussion: Need help in using "if ... then .else" code
Top Forums Shell Programming and Scripting Need help in using "if ... then .else" code Post 302702737 by b@l@ji on Tuesday 18th of September 2012 07:18:38 PM
Old 09-18-2012
Need help in using "if ... then .else" code
Hi all,

I would like to get helped in using the "if .... then ...else " syntax in the script code.

In a file (named as file1) , say there are two columns . First column ( $1 ) is of unique number. Second column ( $2 ) are the corresponding values.

Unique Number Values
1 0.42
2 0.89
3 1.00
4 0.52
5 0.19
6 1.00

Now, i employed following code to get values between 0.50 and 1.00 (excluding 0.50 and 1.00).

Code:
awk '{if((1.0>$2)&&($2>0.50)){print$0;}}'  file1 > file2

By above code, my new file (file2) has following data:

Unique Number Values
2 0.89
4 0.52
Now, what I would like to do is to replace all the values which are less than 0.50 (in the second column) in the file1 as 0.50 (by default) and exclude the values of 1.00 in the file1 as usual.

I would like to achieve the following result through "if ... then ..... else ", where my data should look like :


Unique Number Values
1 0.50
2 0.89
4 0.52
5 0.50
 

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LEARN ABOUT DEBIAN

shtool-table

SHTOOL-TABLE.TMP(1)					      GNU Portable Shell Tool					       SHTOOL-TABLE.TMP(1)

NAME

       shtool-table - GNU shtool pretty-print a field-separated list

SYNOPSIS

       shtool table [-F|--field-sep sep] [-w|--width width] [-c|--columns cols] [-s|--strip strip] strsepstr...

DESCRIPTION

       This pretty-prints a list of strings as a table.

OPTIONS

       The following command line options are available.

       -F, --field-sep sep
	   Separate columns using sep. Default is ":".

       -w, --width width
	   Width of each column. Default is 15 characters.

       -c, --columns cols
	   Number of columns. Default is 3.

       -s, --strip strip
	   Strip off any characters past strip. Default is 79.

EXAMPLE

	#   shell script
	shtool table -F , -w 5 -c 4 "1,2,3,4,5,6,7,8,9,10,11,12"

HISTORY

       The GNU shtool table command was originally written by Ralf S.  Engelschall <rse@engelschall.com> in 1999 for GNU shtool.

SEE ALSO

       shtool(1), tr(1), fmt(1), sh(1), awk(1), sed(1).

18-Jul-2008							   shtool 2.0.8 					       SHTOOL-TABLE.TMP(1)
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