Grep unique 1st column Post: 302897566

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1. Shell Programming and Scripting

grep for unique value

If i want to grep for a value in a file but display only unique value then which option can i use. ex: Values in the file IP <1.2.3.4> value <2> IP <1.2.3.4> value <2> IP <1.2.3.4> value <3> IP <1.2.3.5> value <1> i should get only the unique value

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print unique values of a column and sum up the corresponding values in next column

Hi All, I have a file which is having 3 columns as (string string integer) a b 1 x y 2 p k 5 y y 4 ..... ..... Question: I want get the unique value of column 2 in a sorted way(on column 2) and the sum of the 3rd column of the corresponding rows. e.g the above file should return the...

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Grep Unique

Hello, I have a file with a list of car makes and specific information for each make. An example is: @Audi:Warranty @Audi:Pricing @Audi:Colors @Acura:Warranty @Acura:Pricing @Acura:Colors and so on through a bunch of makes. I need to make a list in a selection box of just one name of...

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Grep/Awk on 1st 2 Letters in 2nd Column of File

Hi everyone. I need to change a script (ksh) so that it will grep on the 1st 2 letters in the second column of a 5 column file such as this one: 192.168.1.1 CAXY0_123 10ABFL000001 # Comment 192.168.1.2 CAYZ0_123 10ABTX000002 # Comment 192.168.2.1 FLXY0_123 11ABCA000001 ...

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Sorting unique by column

I am trying to sort, do uniq by 1st column and report this 4 columns tab delimiter table , eg chr10:112174128 rs2255141 2E-10 Cholesterol, total chr10:112174128 rs2255141 7E-16 LDL chr10:17218291 rs10904908 3E-11 HDL Cholesterol chr10:17218291 rs970548 8E-9 TG...

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Print the 1st column and the value in 2nd or 3rd column if that is different from the values in 1st

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Count occurrence of column one unique value having unique second column value

Hello Team, I need your help on the following: My input file a.txt is as below: 3330690|373846|108471 3330690|373846|108471 0640829|459725|100001 0640829|459725|100001 3330690|373847|108471 Here row 1 and row 2 of column 1 are identical but corresponding column 2 value are...

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Find unique values but only in column 1

Hi All, Does anyone have any suggestions/examples of how i could show only lines where the first field is not duplicated. If the first field is listed more than once it shouldnt be shown even if the other columns make it unique. Example file : 876,RIBDA,EC2 876,RIBDH,EX7 877,RIBDF,E28...

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Count unique column

Hello, I am trying to count unique rows in my file based on 4 columns (2-5) and to output its frequency in a sixth column. My file is tab delimited My input file looks like this: Colum1 Colum2 Colum3 Colum4 Coulmn5 1.1 100 100 a b 1.1 100 100 a c 1.2 200 205 a d 1.3 300 301 a y 1.3 300...

LEARN ABOUT CENTOS

grub2-fstest

GRUB-FSTEST(3)						     Library Functions Manual						    GRUB-FSTEST(3)

NAME

       grub-fstest -- Debug tool for GRUB's filesystem driver.

SYNOPSIS

       grub-fstest [-c | --diskcount=NUM] [-C | --crypto]
		    [-d | --debug=STRING] [-K | --zfs-key=FILE|prompt]
		    [-n | --length=NUM] [-r | --root=DEVICE_NAME]
		    [-s | --skip=NUM] [-u | --uncompress] [-v | --verbose]
		    IMAGE_PATH <blocklist FILE | cat FILE |
		    cmp FILE LOCAL | cp FILE LOCAL | crc FILE |
		    hex FILE | ls PATH | xnu_uuid DEVICE>

DESCRIPTION

       grub-fstest is a tool for testing GRUB's filesystem drivers.  You should not normally need to run this program.

OPTIONS

       --diskcount=NUM
	      Specify the number of input files.

       --crypto
	      Mount cryptographic devices.

       --debug=STRING
	      Set debug environment variable.

       --zfs-key=FILE|prompt
	      Load ZFS cryptographic key.

       --length=NUM
	      Handle NUM bytes in output file.

       --root=DEVICE_NAME
	      Set root device.

       --skip=NUM
	      Skip NUM bytes from output file.

       --uncompress
	      Uncompress data.

       --verbose
	      Print verbose messages.

COMMANDS

       blocklist FILE
	      Display block list of FILE.

       cat FILE
	      Display FILE on standard output.

       cmp FILE LOCAL
	      Compare FILE with local file LOCAL.

       cp FILE LOCAL
	      Copy FILE to local file LOCAL.

       crc FILE
	      Display the CRC-32 checksum of FILE.

       hex FILE
	      Display contents of FILE in hexidecimal.

       ls PATH
	      List files at PATH.

       xnu_uuid DEVICE
	      Display the XNU UUID of DEVICE.

SEE ALSO

       info grub

								  Wed Feb 26 2014						    GRUB-FSTEST(3)