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Hi All,
I wish to merge two files:
file1: with header
rsSNP-ID Chromosome Chr-Pos
rs171 1 175261679
rs242 1 20869461
rs538 1 6160958
file2: without header
disease:AAT deficiency:M0525101...

I want to merge several files with identical format:
file 1:
rs3094315 0.0006105222804 0.9528743638
rs3131972 -0.05461465109 0.3139864854
rs3115860 -0.06041530955 0.3195499498...

Thanks! It works pretty well!
I am trying to understand this code, this line puzzles me:
s = (s ? s "/" : "") substr($i, index($i, "=") + 1

You probably uses some regular expression, right? Can...

Thanks a lot!! I am pretty new with unix. This is very help!

Besides, Is there a way I can print out the output as:
SNP alleles alleles?
for example:
rs782 'A/G'
rs783 A/G G
If that SNP...

Hi all,
Happy new year!
Here I have a problem with extract specific information from each line in unix:
My file is the dbSNP flat file, take two SNPs for examples:

REFSNP-DOCSUM-SET...

thanks! Unix code works, but not perl. I never used perl, so will just go with the unix one.

For example:
my original file looks like this:
rs111 A T 0.9 0.8 ...
rs112 AT T 0.8 0.2 ...
rs113 G CT 0.9 0.1...

I want to modify column 2 and column3. In column 2, line2 it is not A or T or...

thanks for this! It works! One issue my file is very huge, it's about 11G. I have two columns I need to modify, while keep the rest the same. Ran this code twice to write in new files really takes...

I have file like this:
rs111 A T 0.9 0.8 ...
rs112 AT T 0.8 0.2 ...
rs113 G CT 0.9 0.1...

I wish to replace all the NONE "A" or "T" or "G" or "C" values in column 3 and column 4 to " ", how can...

Hi all,
I have file like this:
FID IID MISS_PHENO N_MISS N_GENO F_MISS
AU4103 AU4103201 Y 15473 66858 0.2314
AU4142 AU4142303 Y 15464 66858 0.2313
AU4128 AU4128304 Y 15458 66858 0.2312
AU4129...