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Thank you anyway...I think that my command is too complicate to be iterated only by a for cycle.

Dear all,
I'm very new in scripting and using shell and prompt command.
I have a program (called fasta) and I need to iterate it over all files in a folder, but I'm not able to do that. Pratically...

I'm trying it...but doesn't work properly :(

Dear all,
I'm new in perl scripting and I'm trying to creating a matrix from a 3 column file sorting data in a particular manner. In the final matrix I need to have the first column "IDs" on the...

thank you so much guru!!!it works!!

dear all,
I'm trying to use Awk to eliminate the last two characters from the first column in a file. This two characters are "-1" and I need to eliminate them from each row that I have in the...

the lists are in two different files. But anyway the code with grep works perfectly! thank you !!!!!! :-)

Hi everybody!
I'm trying to delete some elements from a list with two elements on each row agreeing with the elements in another list. Pratically I want a perl script able to take each element of...

Hi everyone!!
I need to apply a simple command to extract columns from a matrix, but I need to extract contemporary from the first to the tenth columns, than from the eleventh to the twentyth and so...

Very thank you!
it works perfectly!!!

Hello to everyone! I'm pretty tired and I cannot concentrate properly, but I need some help!!!
I have a matrix like the one in the attachment (matrice_prova) and I would like an output like this:...

thank you all! very nice suggestions!!
the awk works perfectly for my case! thank you!! :-)

I tryed it, but I get an error like this: Unknown open () mode 'file.txt' at perl.pl line 4.

?

Hi guys! I'm trying to eliminate some duplicates from a file but I'm like this :wall: !!!

My file looks like this:

ID_1 0.02
ID_2 2.4e-2
ID_2 4.3.e-9
ID_3 0.003
ID_4 0.2
ID_4 0.05...

Thank you Pravin!! it works perfectly!!
MAy be you know also how can I apply it for a list of files in a folder?
All the files have some equal words in the name and their name look like...

the 'something' is the elimination of duplicates considering only the first column (i try '!_[$1]++' and works good for me).
I want to eliminate the duplicates (as written above) from each input...

Hi!
I'm new in awk and I need some help.
I have a folder with a lot of files and I need that awk do something in each file and print a new file with the output. The input file name should be...