- You don't need inner loop as grep access files as parameters not string. If you want to pass string, you have to pass as STDIN.
- You seem to be using array, but it doesnt work like this.
As your pattern file is delimited by white-spaces :
I have a very large file (10,000,000 lines), that contains a sample id and a property of that sample. I have another file that contains around 1,000,000 lines with sample ids that I want to remove from the original file (create a new file without these lines).
I know how to do this in Perl, but it... (9 Replies)
I am new to shell scripting and need some help. I googled, but couldn't find a similar scenario.
Basically, I need to rename a datafile. This is the scenario -
I have a file, readonly.txt that has 2 columns - file# and name.
I have another file,missing_files.txt that has id and name. Both the... (3 Replies)
Hi all,
I have been searching online to find the answer for getting a list of files that do not match certain criteria but have been unsuccessful.
I have a directory that has many jpg files. What I need to do is get a list of the files that do not match both of the following patterns (I have... (21 Replies)
Dear awk users,
I am trying to use awk to match records across two moderately large CSV files. File1 is a pattern file with 173,200 lines, many of which are repeated. The order in which these lines are displayed is important, and I would like to preserve it. File2 is a data file with 456,000... (3 Replies)
I have two files. The first containing a header and six columns of data.
Example file 1:
Number SNP ID dbSNP RS ID Chromosome Result_Call Physical Position
787066 SNP_A-8575395 RS6650104 1 NOCALL 564477
786872 SNP_A-8575125 RS10458597 1 AA ... (13 Replies)
Hi,
i have been trying to extract multiple lines based on two different patterns as below:-
file1
@jkm|kdo|aas012|192.2.3.1 blablbalablablkabblablabla
sjfdsakfjladfjefhaghfagfkafagkjsghfalhfk
fhajkhfadjkhfalhflaffajkgfajkghfajkhgfkf
jahfjkhflkhalfdhfwearhahfl
@jkm|sdf|wud08q|168.2.1.3... (8 Replies)
Hi all,
I have a file , which has 6 tab delimited fields, with $3 and $4 subfielded with spaces. I wamt to match cols $2,$3,$4 of tmp1 with tmp2, ..and then flag the 5th col if found.
tmp1
1756 Xerm XermA XermB XermC XermD AA TT AA GG A 1
1763 Xerm XermA XermB XermC... (3 Replies)
In the awk below I am trying to output those lines that Match between file1 and file2, those Missing in file1, and those missing in file2. Using each $1,$2,$4,$5 value as a key to match on, that is if those 4 fields are found in both files the match, but if those 4 fields are not found then missing... (0 Replies)
I need to print field and the next one if field matches 'patternA' and also print 'patternB' fields.
echo "some output" | awk '{for(i=1;i<=NF;i++){if($i ~ /patternA/){print $i, $(i+1)}elif($i ~ /patternB/){print $i}}}'
This code returnes me 'syntax error'. Pls advise how to do properly. (2 Replies)