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Full Discussion: Please help with Linux script to compare file two fields values
Top Forums UNIX for Beginners Questions & Answers Please help with Linux script to compare file two fields values Post 303044252 by mamtsism on Monday 17th of February 2020 10:49:29 AM
Old 02-17-2020
Please help with Linux script to compare file two fields values
I need to compare two dates for each line of the .txt file. If value in position 11 is equal to ‘02407' and ‘21100220' minus ‘19860220' equal to 124 years I want to bypass this record, otherwise I want this record written to the output.

This is a sample data in the file:

19860220 02407 21100220

19660121 02501 20200218

19670301 02501 20200218

19880420 03105

I am trying to accomplish this with SED or AWK command.
Last edited by mamtsism; 02-19-2020 at 10:58 AM.. Reason: To show data and change post details.
 

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LEARN ABOUT REDHAT

record

record(1)						      General Commands Manual							 record(1)

NAME

       record - records *.wav files

SYNOPSIS

       record [ options ]

DESCRIPTION

       record records *.wav files in CD quality (i.e. 44100 Hz, 16bit, stereo).  It has a input level meter, which might be useful for sound trou-
       ble shooting (check if the mixer settings ok for recording from the TV card etc.)

OPTIONS

       -h     display help text

       -o file
	      basename for the output file(s), a number and the .wav extention are added by record.  Default is "record".

       -i dev mixer control.  This should be the one where you can adjust the record level for your audio source.  Default is "line".	"mic"  and
	      "igain" are good candidates too.	Best way to figure is to start your favorite mixer tool and check out which one works ...

       -m dev set mixer device.  Default is "/dev/mixer".

       -d dev set audio device.  Default is "/dev/dsp".

       -r rate
	      set sample rate.	Default is 44100.

       -p sec peak  seconds  (number  of  seconds which should be scanned for the volume maximum).  This affects both peak level display and level
	      triggered recording (see below).	Default is 1.5 seconds.

       record can also be used non-interactive:

       -c     enable console (non-interactive) mode.

       -v     be verbose (console mode only).

       -t mm:ss
	      Limit the record time (console mode only).  By default record records until stopped by a signal (by typing ^C for example).

       -s size
	      Limit the file size (console mode only).	record will continue with a new file once the limit is reached.

       -l     Enable level triggered recording (console mode only) with the default trigger level (1000).

       -L level
	      Enable level triggered recording with the specified trigger level.

       If level triggered recording is active, record will start and stop recording depending on the signal strength.  Recording will  be  started
       if  the signal strength is above the trigger level (1000/32768 => around 3%).  Recording will be stopped if the signal is below the trigger
       level for some time (1.5 seconds by default, the -p switch changes this).

AUTHOR

       Gerd Knorr <kraxel@bytesex.org>

								  (c) Gerd Knorr							 record(1)
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