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It worked.

Thanks all for the valuable help.

Many Thanks.
Unfortunate I get an error message - nawk not found. I have mac osx. I don´t have nawk/gawk available.

Is it possible to use awk instead of nawk ?
I also want to use tab separator...

Hi, thanks.
In my input file I have got 10 columns ( 5 pairs of IDs and scores). Is it possible to add some loop that can fetch the records from not only first two but also from other 8 columns to...

Hey guys
I have got a tab-separated file and I want to copy only selected records from two columns at a time satisfying specified condition, and create a new file.

My tab separated file is like...

Hi Scrutinizer,

This works nice :

awk '{for (i=1;i<=NF;i++) {if (NR==1 && $i~/^\*/) A[i]; if (i in A) printf $i"\t"} print ""}' infile

Can you please tell me why it worked this time ?

...

Hi,
I did not understand how it differs.

$ cat sample
*sml_0018 *smmt_0031 sdmt_0042 *srmt_0053
1 1 1 1
11.2902 12.4807 10.7395 7.9672
8.98292 9.03125 9.69812 7.7105...

No, it still does not work.
Here is the sample data. It is in tab separated format. I want to select columns having header names starting with "*".

*smt_0018 smf_0031 *smlf_0042 *sugk_0053...

it keeps selecting all columns.

Thanks. It did not work.

Hi friends,
I have data in tab separated file with headers like this :

*sml1 *sml3 *smln7 smfk9 smllf56...

Which shell command I should use if i want to extract entire columns that have header...

Thanks guys..That works fine..

In suggestion from the previous reply, I need to substitute in second step ";" for "|", but that's okay...

Hi friends!
I have a tab delimited file with two columns :
GB_45_DRB SP:0139466(mrmi sisignm)|SP:3674(fllflg_itoioh)|SP:68954779(RMTKLGF to emmdm-roomto)
GB_45_DRD SP:475928(mgmdksi...

I think that will split the column in a source file, but I do not know how to append that section each time in one file as new column.
I mean ..1 column of 100 rows will be appended each time in a...

Hi there !
I have file with single column. I want to cut that column at fixed number of rows each time and paste in another file, in a way that in new file, the each cutting appear as separate...

Thanks a lot, radoulov !!

grep . filename worked nicely..

I have a file with only one field something like this :
213.45

220.65

240.47


345.67

320.45

I want to remove all spaces in between. Is there any unix command for that ?Thanks in...