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Full Discussion: grep and count no of occurences in every line of a file
Top Forums Shell Programming and Scripting grep and count no of occurences in every line of a file Post 302115013 by srikanthgr1 on Friday 20th of April 2007 05:28:09 AM
Old 04-20-2007
Question grep and count no of occurences in every line of a file
Hi Folks,

I have a input file of the below format.


~~~OLKIT~OLKIT~1~~TBD~BEST PAGER & WIRELESS~4899 COMMON MARKET PLACE~~~DUBLIN~KS~43016~I~Y~DIRECT~D~~0
BPGRWRLS~~~OLKIT~OLKIT~1~~TBD~BEST PAGER & WIRELESS~4899 COMMON MARKET PLACE~~~DUBLIN~KS~43016~I~Y~DIRECT~D~~0
BPI~~~OLKIT~OLKIT~1~~TBD~CITI CONNECTION~6413 18TH AVE~~~BROOKLYN~KS~11204~~Y~DIRECT~D~~0
BPNABOF~~~OLKIT~OLKIT~1~~TBD~BRIGHTPOINT NORTH AMERICA~501 AIRTECH PARKWAY~~~PLAINFIELD~KS~46168~~Y~DIRECT~DT~~0
BRADSINC~~~OLKIT~OLKIT~1~~TBD~BRADSHAW INC~4662 HORN LAKE RD~~~MEMPHIS~KS~38109~I~Y~DIRECT~D~~0
BWRES07TM~~~OLKIT~OLKIT~1~~TBD~BLUEFISH WIRELESS INC.~6100 WEST 96TH ST., SUITE 140~~~INDIANAPOLIS~KS~46278~~Y~DIRECT~J~~0
BYFGRPTM~~~OLKIT~OLKIT~1~~TBD~BYF GROUP, INC.~4810 BEAUREGARD ST.~~~ALEXANDRIA~KS~22312~~Y~DIRECT~F~~0



In the input file I have many no of lines which have "~" symbols in them.
In every line, I need to count the no. of times "~" occurs and compare it with a variable which is passed along with the shell script in the command line.

I have highlited each line in diffn color.

The command line format is
shell_script input_file.dat 20

In the above line 20 is the no to which the no of "~" are compared

Help is very much required as I am very new into shell scripting.


Regards
Srikanth GR
Last edited by srikanthgr1; 04-20-2007 at 06:30 AM.. Reason: Needed to give more details.
 

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LEARN ABOUT FREEBSD

whatis

APROPOS(1)						    BSD General Commands Manual 						APROPOS(1)

NAME

     apropos, whatis -- keyword search whatis documentation databases

SYNOPSIS

     apropos [-d] keyword ...
     whatis [-d] keyword ...

DESCRIPTION

     The apropos utility searches a set of databases looking for documentation matching each keyword and displays the results.	The whatis utility
     does the same search but only on complete words.

     -d  Print extra debugging information.

     The keyword is simply passed to grep(1) allowing for extended regular expression matches.

ENVIRONMENT

     The following environment variables affect the execution of apropos:

     MANLOCALES, MANPATH, PATH
	    Used to find the location of the whatis database files. See manpath(1) for additional information.

     PAGER  Program used to display files.  If unset, more -s is used.

DIAGNOSTICS

     The apropos utility exits 0 if a keyword matched and 1 if no keywords are matched or no whatis databases are found.

SEE ALSO

     grep(1), makewhatis(1), man(1), manpath(1), man.conf(5)

BSD
								 September 1, 2010							       BSD
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