Make copy of text file with columns removed (based on header) Post: 302931591

9 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

Merging two files based on two columns to make a third file

Hi there, I'm trying to merge two files and make a third file. However, two of the columns need to match exactly in both files AND I want everything from both files in the output if the two columns match in that row. First file looks like this: chr1 10001980 T A Second...

2. Shell Programming and Scripting

Copy and Paste Columns in a Tab-Limited Text file

I have this text file with a very large number of columns (10,000+) and I want to move the first column to the position of the six column so that the text file looks like this: Before cutting and pasting ID Family Mother Father Trait Phenotype aaa bbb ...

3. UNIX for Dummies Questions & Answers

Extracting rows from a text file based on the values of two columns (given ranges)

Hi, I have a tab delimited text file with multiple columns. The second and third columns include numbers that have not been sorted. I want to extract rows where the second column includes a value between -0.01 and 0.01 (including both numbers) and the first third column includes a value between...

4. Shell Programming and Scripting

Reading columns from a text file and to make an array for each column

Hi, I am not so familiar with bash scripting and would appreciate your help here. I have a text file 'input.txt' like this: 2 3 4 5 6 7 8 9 10 I want to store each column in an array like this a ={2 5 8}, b={3 6 9}, c={4 7 10} so that i can access any element, e.g b=6 for the later use.

5. Shell Programming and Scripting

Extract columns based on header

Hi to all, I have two files. File1 has no header, two columns: sample1 A sample2 B sample3 B sample4 C sample5 A sample6 D sample7 D File2 has a header, except for the first 3 columns (chr,start,end). "sample1" is the header for the 4th ,5th ,6th columns, "sample2" is the header...

6. Emergency UNIX and Linux Support

Average columns based on header name

Hi Friends, I have files with columns like this. This sample input below is partial. Please check below for main file link. Each file will have only two rows. ...

7. UNIX for Beginners Questions & Answers

Keep only columns in first two rows based on partial header pattern.

I have this code below that only prints out certain columns from the first two rows (doesn't affect rows 3 and beyond). How can I do the same on a partial header pattern �G_TP� instead of having to know specific column numbers (e.g. 374-479)? I've tried many other commands within this pipe with no...

8. Shell Programming and Scripting

Find columns in a file based on header and print to new file

Hello, I have to fish out some specific columns from a file based on the header value. I have the list of columns I need in a different file. I thought I could read in the list of headers I need, # file with header names of required columns in required order headers_file=$2 # read contents...

9. Shell Programming and Scripting

Find header in a text file and prepend it to all lines until another header is found

I've been struggling with this one for quite a while and cannot seem to find a solution for this find/replace scenario. Perhaps I'm getting rusty. I have a file that contains a number of metrics (exactly 3 fields per line) from a few appliances that are collected in parallel. To identify the...

LEARN ABOUT NETBSD

tabs

TABS(1) 						    BSD General Commands Manual 						   TABS(1)

NAME

     tabs -- set terminal tabs

SYNOPSIS

     tabs [-n|-a|-a2|-c|-c2|-c3|-f|-p|-s|-u] [+m[n]] [-T type]
     tabs [-T type] [+[n]] n1[,n2,...]

DESCRIPTION

     The tabs utility displays a series of characters that first clears the hardware terminal tab settings and then initializes the tab stops at
     the specified positions and optionally adjusts the margin.

     The phrase "tab-stop position N" means that, from the start of a line of output, tabbing to position N shall cause the next character output
     to be in the (N+1)th column on that line.

     The following options are supported:

     -n 	 Specifies repetitive tab stops separated by a uniform number of columns, n, where n is a single digit decimal number.	The
		 default usage of tabs with no arguments is equivalent to tabs -8.  When -0 is used, the tab stops are cleared and no new ones
		 set.

     -a 	 Assembler, applicable to some mainframes.  Equivalent to tabs 1,10,16,36,72 .

     -a2	 Assembler, applicable to some mainframes.  Equivalent to tabs 1,10,16,40,72

     -c 	 COBOL, normal format.	Equivalent to tabs 1,8,12,16,20,55

     -c2	 COBOL, compact format (columns 1 to 6 omitted).  Equivalent to tabs 1,6,10,14,49

     -c3	 COBOL, compact format (columns 1 to 6 omitted), with more tabs than -c2.  Equivalent to tabs
		 1,6,10,14,18,22,26,30,34,38,42,46,50,54,58,62,67

     -f 	 FORTRAN.  Equivalent to tabs 1,7,11,15,19,23

     -p 	 PL/1.	Equivalent to tabs 1,5,9,13,17,21,25,29,33,37,41,45,49,53,57,61

     -s 	 SNOBOL.  Equivalent to tabs 1,10,55

     -T type	 Indicates the type of terminal.

     -u 	 Assembler, applicable to some mainframes.  Equivalent to tabs 1,12,20,44

EXIT STATUS

     The tabs utility exits 0 on success, and >0 if an error occurs.

ENVIRONMENT

     The COLUMNS and TERM environment variables affect the execution of tabs as described in environ(7).

     The -T option overrides TERM.  If neither TERM nor the -T option are present, tabs will fail.

SEE ALSO

     expand(1), stty(1), tput(1), unexpand(1), termcap(5)

STANDARDS

     The tabs utility conforms to IEEE Std 1003.1 (``POSIX.1'').

HISTORY

     A tabs utility first appeared in PWB UNIX.  This implementation was introduced in NetBSD 6.0.

AUTHORS

     Roy Marples <roy@NetBSD.org>

BUGS

     The current termcap(5) database does not define the set left soft margin 'ML' capability for any terminals.

BSD
								 December 9, 2008							       BSD