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Full Discussion: Comparing variables in awk
Top Forums Shell Programming and Scripting Comparing variables in awk Post 302338726 by fpmurphy on Tuesday 28th of July 2009 06:29:23 PM
Old 07-28-2009
You did not inform us how you stored the oldprice in printfile. Assuming you stored it as a number i.e. 139.02 and not as $139.02, the following should work for you.
Code:
#!/bin/sh

wget -qO- http://cs.actx.edu/~craddock/unix2/lab11 | awk -v oldprice=`cat pricefile` '
    /<b class="price">/ {
    getline
    newprice = substr($0,2) + 0.00

    if (oldprice == newprice) {
        print "The price is the same"
    } else {
        print "The price is not the same"
    }
}'

 

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PAC(8)							    BSD System Manager's Manual 						    PAC(8)

NAME
pac -- printer/plotter accounting information SYNOPSIS
pac [-Pprinter] [-c] [-m] [-pprice] [-s] [-r] [name ...] DESCRIPTION
The pac utility reads the printer/plotter accounting files, accumulating the number of pages (the usual case) or feet (for raster devices) of paper consumed by each user, and printing out how much each user consumed in pages or feet and dollars. Options and operands available: -Pprinter Accounting is done for the named printer. Normally, accounting is done for the default printer (site dependent) or the value of the environment variable PRINTER is used. -c Cause the output to be sorted by cost; usually the output is sorted alphabetically by name. -m Cause the host name to be ignored in the accounting file. This allows for a user on multiple machines to have all of his printing charges grouped together. -pprice The value price is used for the cost in dollars instead of the default value of 0.02 or the price specified in /etc/printcap. -r Reverse the sorting order. -s Accounting information is summarized on the summary accounting file; this summarization is necessary since on a busy system, the accounting file can grow by several lines per day. names Statistics are only printed for user(s) name; usually, statistics are printed for every user who has used any paper. FILES
/var/account/?acct raw accounting files /var/account/?_sum summary accounting files /etc/printcap printer capability data base SEE ALSO
printcap(5) HISTORY
The pac utility appeared in 4.0BSD. BUGS
The relationship between the computed price and reality is as yet unknown. BSD
June 6, 1993 BSD
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