How to subset data? Post: 302790079

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

How to extract a subset from a huge dataset

Hi, All I have a huge file which has 450G. Its tab-delimited format is as below x1 A 50020 1 x1 B 50021 8 x1 C 50022 9 x1 A 50023 10 x2 D 50024 5 x2 C 50025 7 x2 F 50026 8 x2 N 50027 1 : : Now, I want to extract a subset from this file. In this subset, column 1 is x10, column 2 is...

2. UNIX for Dummies Questions & Answers

Help with subset and if-then statements

Hello everyone. I'm new to the boards, I hope I can get and possibly give some help through these forums. I need some help. I have two CSV files, let's call them File A and File B. This is the structure for File A: ID, VAR1, VAR2, VAR3 - VAR50 (where the VAR 1-VAR50 are either 0 or 1) ...

3. Shell Programming and Scripting

How to remove a subset of data from a large dataset based on values on one line

Hello. I was wondering if anyone could help. I have a file containing a large table in the format: marker1 marker2 marker3 marker4 position1 position2 position3 position4 genotype1 genotype2 genotype3 genotype4 with marker being a name, position a numeric...

4. UNIX for Dummies Questions & Answers

how to get a subset of such a file

Dear all, I have a file lik below: n of row=420, n of letters in each row=100000 like below: there is no space between the letters. what I want is: the 75000th letter to the 85000th letter in each row. how to do that? thanks a lot! ...

5. Shell Programming and Scripting

Creating subset of compilation errors

I am compiling a fortran program using gfortran and the result looks as below I want to write a bash or awk script that will scan the information and output only problems within a range of line numbers Example: If I specify the file createmodl.f08, start line 1000 and end line 1100, I will...

6. Shell Programming and Scripting

Detecting subset of a word

Each line of the file has some words exactly same letters as of the first one. But has zero or more "_+" inserted. I am interested in those words and remove the other cases. Example: abcde abcd_+e abcd_+de fghig fghigi fghi_+g klmn klmn I want to get this: abcde abcd_+e fghig fghi_+g ...

7. Shell Programming and Scripting

Parsing a subset of data from a large matrix

I do have a large matrix of the following format and it is tab delimited ch-ab1-20 ch-bb2-23 ch-ab1-34 ch-ab1-24 er-cc1-45 bv-cc1-78 ch-ab1-20 0 2 3 4 5 6 ch-bb2-23 3 0 5 ...

8. Shell Programming and Scripting

How-to check if file1 a subset of file2 ?

I need to know if file1 is a subset of file2 i.e all the contents of file1 are present in file2 or not. Here is how i would do it. Read line by line file1 and grep every line in file2 in a for loop. any failing grep would means that it is not a subset. Is there a quicker or easier way...

9. Shell Programming and Scripting

How to check if file2 is a subset of file1?

In-order to check and print if file2 is a subset of file one i do the below. var1=$(cat //tmp/file1 | sort -u | wc) var2=$(cat /tmp/file2 /tmp/file1 | sort -u | wc) if ; then echo "file2 is a subset of file1 becoz var1 and var2 have the same values." fi However, i get the following error ...

10. UNIX for Beginners Questions & Answers

Cannot subset ranges from another range set

Ca21chr2_C_albicans_SC5314 2159343 2228327 Ca21chr2_C_albicans_SC5314 636587 638608 Ca21chr2_C_albicans_SC5314 5286 50509 Ca21chr2_C_albicans_SC5314 634021 636276 Ca21chr2_C_albicans_SC5314 1886545 1900975 Ca21chr2_C_albicans_SC5314 610758 613544...

LEARN ABOUT REDHAT

tzselect

TZSELECT(8)						      System Manager's Manual						       TZSELECT(8)

NAME

       tzselect - select a time zone

SYNOPSIS

       tzselect

DESCRIPTION

       The  tzselect program asks the user for information about the current location, and outputs the resulting time zone description to standard
       output.	The output is suitable as a value for the TZ environment variable.

       All interaction with the user is done via standard input and standard error.

ENVIRONMENT VARIABLES

       AWK    Name of a Posix-compliant awk program (default: awk).

       TZDIR  Name of the directory containing time zone data files (default: /usr/local/etc/zoneinfo).

FILES

       TZDIR/iso3166.tab
	      Table of ISO 3166 2-letter country codes and country names.

       TZDIR/zone.tab
	      Table of country codes, latitude and longitude, TZ values, and descriptive comments.

       TZDIR/TZ
	      Time zone data file for time zone TZ.

EXIT STATUS

       The exit status is zero if a time zone was successfully obtained from the user, nonzero otherwise.

SEE ALSO

       newctime(3), tzfile(5), zdump(8), zic(8)

																       TZSELECT(8)