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Shell Programming and Scripting
How to get the modified value of variable outside the while loop reading from a file
Post 302335629 by babusek on Monday 20th of July 2009 05:54:38 AM
07-20-2009
How to get the modified value of variable outside the while loop reading from a file
Hi Friends ,
Sorry if this is a repeated question ,
The input file contains 5 lines , so the the values of the variables i and count should b
i=5;
count=15
but the variables are not updating , the value of variables showing i=0 and count =0 only.
can any1 help me please.
Sorry if this is a repeated question ,
Quote:
count=0
i=0
while read line
do
i=`expr $i + 1`
count= `expr $count + $i`
done < input.txt
echo " i Value =$i "
echo " Count Value = $count"
i=0
while read line
do
i=`expr $i + 1`
count= `expr $count + $i`
done < input.txt
echo " i Value =$i "
echo " Count Value = $count"
i=5;
count=15
but the variables are not updating , the value of variables showing i=0 and count =0 only.
can any1 help me please.
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LEARN ABOUT DEBIAN
notmuch-count
NOTMUCH-COUNT(1) General Commands Manual NOTMUCH-COUNT(1) NAME
notmuch-count - Count messages matching the given search terms. SYNOPSIS
notmuch count [options... ] <search-term>... DESCRIPTION
Count messages matching the search terms. The number of matching messages (or threads) is output to stdout. With no search terms, a count of all messages (or threads) in the database will be displayed. See notmuch-search-terms(7) for details of the supported syntax for <search-terms>. Supported options for count include --output=(messages|threads) messages Output the number of matching messages. This is the default. threads Output the number of matching threads. --exclude=(true|false) Specify whether to omit messages matching search.tag_exclude from the count (the default) or not. SEE ALSO
notmuch(1), notmuch-config(1), notmuch-dump(1), notmuch-hooks(5), notmuch-new(1), notmuch-reply(1), notmuch-restore(1), notmuch-search(1), notmuch-search-terms(7), notmuch-show(1), notmuch-tag(1) Notmuch 0.13.2 2012-06-01 NOTMUCH-COUNT(1)