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1
vote
3answers
32 views

Trouble in adding a column with awk

I'm trying to add a column to a csv file by using: awk -F "," '{print $0"new_col"}' file.csv but I got : new_col8,0.405,0.101 new_col4,0.374,0.100 new_col23,0.342,0.100 new_col130,0.298,0.100 ...
0
votes
5answers
47 views

re-arrange values in one column without affecting other columns using awk or sed

I have a csv file in following format: abc,124,123,2014-08-13,abc def,124,123,2014-08-13,abc ghi,124,123,2014-08-13,abc Now I need to modify only 5th column (2014-08-13) to produce output as given ...
2
votes
2answers
66 views

Remove rows from tab delimited files based on a common column with another file

I am having trouble processing a tab delimited file based on the common column Column_4 with another file. One file is likely to be very small (less than 100 rows), the second one, however, will be ...
2
votes
4answers
1k views

Split long output into two columns

Is there a simple utility or script to columnate the output from one of my scripts? I have data in some form: A aldkhasdfljhaf B klajsdfhalsdfh C salkjsdjkladdag D lseuiorlhisnflkc E sdjklfhnslkdfhn ...
4
votes
4answers
166 views

Wrap sentences into columns

I'm looking for a way to take sentences and wrap them. Using something like column is not what I want as in my scenario there will be multiple sentence columns in the 80 characters. Is there any ...
2
votes
2answers
47 views

Merging columns from two separate files

How to create a new file merging selective columns from two separate files using awk? Without messing up the elements orders of BOTH files. Exemple: File 3 may contain column 1,2,3 from File 1 and ...
2
votes
3answers
57 views

How to add a new line for a missing entry between two fields

I have this file. As you can see in column1, entries TEST01N03, TEST01N06, and TEST01N18 are missing (total of 18 entries). Is there a way to check the fields of this column and fill in the missing ...
2
votes
1answer
97 views

merge csv files by first column

I have 3 csv files like this. csv 1: 1,aaaa,bbb,2014-04-01 2,qwe,rty,2014-04-03 3,zxc,cvb,2014-04-05 csv 2: 2,j,k,2014-04-01 3,a,s,2014-04-04 5,g,h,2014-04-08 csv 3: 2,a,s,d,f,g,2014-04-01 ...
2
votes
2answers
37 views

Merging files by rows

Is it possible to copy the whole rows of File1 in a new File3 following the instruction given by File2 by using a simple bash script using sed or awk? File1: /*two or more columns*/ AC 456324 DC ...
2
votes
1answer
87 views

Compare the values of a column with all the values in another column

I have 2 input files. Each line of File1 should be compared to each and every line of File2. Logic is: If Column1 of File1 does not match Column1 (all the values under it) of File2, then print the ...
4
votes
5answers
544 views

A better paste command

I have the following two files ( I padded the lines with dots so every line in a file is the same width and made file1 all caps to make it more clear). contents of file1: ETIAM...... SED........ ...
2
votes
2answers
55 views

How can I compare two files based on the value of the first column?

I want to compare two files based on the value of their first column: file1 aaa 23 3 bbb 56 6 ccc 45 2 file2 bbb m a aaa a m ccc m m The output file should be: aaa a m bbb m a ccc m m ...
6
votes
3answers
74 views

Print a multiline variable in a column

I have a script that collects values from a cluster. The values, in some cases, have multiple lines. I have a printf format that specifies how the data should be positioned however, it doesn't take ...
4
votes
2answers
111 views

Replace common values in two files according to first column

How do I replace common values in two files according to first column? I have file 1 (1.txt): CH063_01084 CH063_01083 CH063_13925 CH063_14473 and file 2 (2.txt): CH063_01083 FGSG_16349 4 ...
1
vote
1answer
45 views

Join multiple files in a directory column wise

I would like to join about 100 files in the same directory column-wise. I have tried paste file1 file2 | column -s $'\t' -t This works fine for 2 files. But when I try to do it for 100 files, I ...
0
votes
2answers
145 views

How to get the value from rows and columns from text file in bash?

I am working on a bash project. I need to get all the values (one at a time because I will be using them somewhere else) from a text file. The text file I will be getting is structured like this: ...
1
vote
2answers
59 views

Append a column

I've trawled through here and a few other places to try and find an answer to this, but it seems so stupidly simple that no one has answered it. All I need to do is add a single value in a new column ...
2
votes
1answer
39 views

How do you implement totals from usage output generated by a program in a script so that they carry on sanely through repeated execution?

I have a script with a pipeline where the data is throttled by a program. Every 20 minutes, a throughput status is sent on stderr, and I simply redirect this to a file: command | cstream -t -512k -T ...
3
votes
3answers
123 views

How can I get the first column of a 300GB txt file?

let me first explain my problem in detail. It's actually pretty simple. I have a huge .txt file, 300GB to be more preciese, and I would like to put all the distinct strings from the first column, that ...
0
votes
4answers
183 views

Search for a Value only in one column w.o using awk, sed, or perl

I have a file that looks like this : Marketing Ranjit Singh FULLEagles Dean Johnson Marketing Ken Whillans FULLEagles Karen Thompson Sales Peter RobertsonPARTGolden ...
11
votes
8answers
794 views

How do I get the character count of words in a particular column?

I have a CSV file like this: abd,123,egypt,78 cde,456,england,45 How can I get the character count of only the 3rd column words? I can't figure out how to get wc to do this.
3
votes
3answers
140 views

Subsetting a file's contents based on value in a column

I have a text file as (for example): apple V$NFY_Q6_rc V=0.741 apple V$HOXA7_01_rc V=0.454 apple V$ALPHACP1_01_rc V=0.695 orange V$SP4_Q5 V=0.747 grapes V$SP1_Q2_01 V=0.677 grapes ...
3
votes
3answers
122 views

Append columns in a text file to after the final row

A smaller version of many data files I have looks like this: 0 0 0 0.05 9.6877884e-06 0.0024898597 0.1 4.2838688e-05 0.0049595502 0.15 0.00016929444 0.0074092494 0.2 0.00036426881 0.009839138 0.25 ...
2
votes
2answers
157 views

Merging multiple lines based on column 1

I have a file like below.. abc, 12345 def, text and nos ghi, something else jkl, words and numbers abc, 56345 def, text and nos ghi, something else jkl, words and numbers abc, 15475 def, ...
0
votes
1answer
113 views

How to display data in columns in two variables with the same format?

I coded the following to display data formatted in columns: str1='hello i am robert and your ma frnd' str2='thisisaverylongword thisistoohehehe andherefinishthe string hereis a other ...
2
votes
3answers
65 views

A shell tool to “tablify” input data containing ANSI escape codes

I have input containing ANSI color codes that I'd like to tablify. I want the output to remain colored, so the tablified output should maintain the ANSI color codes. Hence, naively stripping them away ...
0
votes
3answers
211 views

removing spaces from first column

My input file has positions in first column with different number of spaces (or no space) 16504 16516 1650811 16520 1651 16524 16516111 16528 165204 16532 ...
5
votes
2answers
69 views

Sort one column only, keeping remaining columns untouched

How to (numerically) sort a specific column in a text file, without affecting other columns (irrespective of whether they are sorted or unsorted)? On other threads I found -s argument, but it does ...
4
votes
5answers
97 views

Reformat each two-line sequence into two columns

I would like to tab my printout: 1 2 3 4 5 6 7 8 to 1 2 5 6 3 4 7 8 How to adjust it using simple command line (awk or sed)??
3
votes
3answers
152 views

Easily get a particular column from output without sed or awk

Is there a quicker way of getting a couple of column of values than futzing with sed and awk? For instance, if I have the output of ls -hal / and I want to just get the file and directory names and ...
-1
votes
1answer
406 views

Display column that has a specific string

Content of a sample file is as follow: AA BB CC DD BB 1 2 3 4 9 5 6 7 8 10 I want to display the whole columns that contain BB and DD. In the real case, I do not know which columns contain ...
2
votes
2answers
167 views

Create an ASCII art table from tabular data

Given perhaps comma- or tab-delimited input, I'd like to present a series of appropriately padded columns to stdout, so I can easily scan columnar information which would otherwise present rather ...
3
votes
6answers
127 views

How to combine contents of two files having the same value in a column?

File1: 00:00 274 00:04 476 00:05 450 00:06 499 00:07 373 00:08 206 00:09 471 00:10 154 File2: 00:00 183 00:01 60 00:02 344 00:03 540 00:04 450 00:07 348 00:09 473 00:10 203 Desired output: ...
2
votes
2answers
65 views

How do I use cut to separate by multiple whitespace?

I would like to get the last column of this sample: [ 3] 1.0- 2.0 sec 1.00 MBytes 8.39 Mbits/sec [ 3] 2.0- 3.0 sec 768 KBytes 6.29 Mbits/sec [ 3] 3.0- 4.0 sec 512 KBytes 4.19 Mbits/sec ...
2
votes
3answers
121 views

Extracting part from a file column

I want to extract part from a log file column which is like this: xx.xxx.xx.xx#59796: Edit: This is the actual log line: Jan 10 17:38:11 server named[747]: client 21x.x0.x8x.xxx#40649: view ...
0
votes
3answers
3k views

Shell script read separately columns from file

When we have file which is a kind of list like : Mary 34 George 45 John 56 Josh 29 using the awk command $1 refers to the first column and $2 to the second column.But once we write a shell script ...
2
votes
2answers
650 views

Bash: append columns to table

If you want to append a column (not a line) to a table, and the column has the same number of elements for sure, how can you do it? Given a set of files, which keeps changing each day, you want to ...
1
vote
1answer
126 views

Transpose several columns (of varying lengths) into rows

A similar question to mine was asked that concerned transposing multiple columns into rows. However, the particular column format that I am dealing with is slightly different in that my file contains ...
2
votes
2answers
51 views

How do I echo a line with linebreak at the end at window border? [duplicate]

I would like to echo a list all in one line, TAB separated (like ls does with files in one folder) for i in one two some_are_very_long_stuff b c; do echo $i; done will print one line per word: one ...
2
votes
2answers
101 views

“Fill columns before rows” option in unix column command

According to man column: -x Fill columns before filling rows. This option doesn't seem to do anything. Any idea how to use it?
2
votes
2answers
213 views

Print some fields of /etc/passwd

I have a question concerning the usage of wild cards in Linux. Here I have some lines from a long list of lines in the /etc/passwd -file. root:x:0:0:root:/root:/bin/bash ...
2
votes
2answers
632 views

How do you truncate all columns in a file to a specific length?

Given columned text in a file that is delimited by a certain character, how do you truncate the width of either a specific column(s) or all columns? The use case is that I am reading some log files ...
1
vote
3answers
173 views

How to sort and join at the same time?

I have 2 files, one having 2 columns, another having 1 column. The second file is sorted using sort -u. Now the task is I need to join this column with the first column of the first file, which is not ...
4
votes
3answers
488 views

using awk to split a line on single spaces not multiples

I'm trying to split a line that I have no control over the format of. If parameter 7 and 8 are missing which is possible they will be replaced by a space so I would end up with, field1 field2 field3 ...
3
votes
5answers
647 views

How to align fstab entries easily

Editing /etc/fstab with my text editor makes all the spacing go out of alignment. I could go through the file and insert/delete spaces to line everything up, but I'm looking for a more automated ...
2
votes
5answers
901 views

Sum the values in a column except the header

I have a file as given below -------------------------------------------------------------- Name_Customer Item_Purchased Item_Amount Credit ...
1
vote
3answers
237 views

Find matches for the 5th columns in a pipe delim files

File 1: Connect|20130320000023|UTC|PPP|test3@test3.co.uk|test1@test1.co.uk|0BCBE578| File 2: Connect|20130320000023|UTC|PPP|test1@test1.co.uk|test1@test1.co.uk|0BCBE578| ...
0
votes
1answer
975 views

shell script to print rows if there is a value in column 2

1 **2** 3 4 3 1 4 2 1 4 3 2 4 **2** 1 3 How can I print all rows, on which there is a 2 in the second column.
3
votes
2answers
863 views

Cut command not extracting fields properly in aligned columns

I have a text file in which I must cut the fields 3,4,5 and 8: 219 432 4567 Harrison Joel M 4540 Accountant 09-12-1985 219 433 4587 Mitchell Barbara C 4541 Admin Asst ...
2
votes
3answers
167 views

how to create a data file with a column of date from day1 to dayN?

I was wondering if I could generate a hourly or daily time step date in a column starting from some year in the past to some day in the near past or today. to be more clear, I want to create one ...