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Full Discussion: Log function
Top Forums Shell Programming and Scripting Log function Post 302109842 by vgersh99 on Thursday 8th of March 2007 09:35:42 AM
Old 03-08-2007
Quote:
Originally Posted by Ernst
How can I modify the script below to convert from dBM to watt instead of watt to dBm?


#! /usr/bin/ksh
bc -l |&
print -p scale=6
echo "This is a program designed to convert watt to dbm"
while read watt?"enter watt: "; do
print -p "l($watt)/l(10)*10+30"
read -p dbm
echo "watt = $watt dbm = $dbm"
done
echo
exit 0
what would the 'backwards' conversion formula? (I'm lazy doing the math myself)

Last edited by vgersh99; 03-08-2007 at 11:28 AM..
 

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NOTEDB::dbm(3pm)					User Contributed Perl Documentation					  NOTEDB::dbm(3pm)

NAME
NOTEDB::dbm - module lib for accessing a notedb from perl SYNOPSIS
# include the module use NOTEDB; # create a new NOTEDB object (the last 4 params are db table/field names) $db = new NOTEDB("mysql","note","/home/user/.notedb/"); # get a single note ($note, $date) = $db->get_single(1); # search for a certain note %matching_notes = $db->get_search("somewhat"); # format of returned hash: #$matching_notes{$numberofnote}->{'note' => 'something', 'date' => '23.12.2000 10:33:02'} # get all existing notes %all_notes = $db->get_all(); # format of returnes hash like the one from get_search above # get the next noteid available $next_num = $db->get_nextnum(); # recount all noteids starting by 1 (useful after deleting one!) $db->set_recountnums(); # modify a certain note $db->set_edit(1, "any text", "23.12.2000 10:33:02"); # create a new note $db->set_new(5, "any new text", "23.12.2000 10:33:02"); # delete a certain note $db->set_del(5); DESCRIPTION
You can use this module for accessing a note database. This is the dbm module. It uses the DB_FILE module to store it's data and it uses DBM files for tis purpose. Currently, NOTEDB module is only used by note itself. But feel free to use it within your own project! Perhaps someone want to implement a webinterface to note... USAGE
please see the section SYNOPSIS, it says it all. AUTHOR
Thomas Linden <tom@daemon.de>. perl v5.10.1 2011-02-12 NOTEDB::dbm(3pm)
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