09-01-2011
Make sure you are sorting in the C locale. The other locales can be 10 time slower.
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1. Shell Programming and Scripting
Hi,
May I know, if a pipe separated File is large, what is the best method to calculate the unique row count of 3rd column and get a list of unique value of the 3rdcolum?
Thanks in advance! (20 Replies)
Discussion started by: deepakwins
20 Replies
2. UNIX for Dummies Questions & Answers
This may sound like a trivial problem, but I still need some help:
I have a file with ids and I want to split it 'n' ways (could be any number) into files:
1
1
1
2
2
3
3
4
5
5
Let's assume 'n' is 3, and we cannot have the same id in two different partitions. So the partitions may... (8 Replies)
Discussion started by: ChicagoBlues
8 Replies
3. Shell Programming and Scripting
Input file
---------
12:name1:|host1|host1|host2|host1
13:name2:|host1|host1|host2|host3
14:name3:
......
Required output
---------------
12:name1:host1(2)|host1(1)
13:name2:host1(2)|host2(1)|host3(1)
14:name3:
where (x) - Count how many times field appears in last column
... (3 Replies)
Discussion started by: greycells
3 Replies
4. Shell Programming and Scripting
I would really appreciate a sulution for this :
invoice# client#
5929 231
4358 231
2185 231
6234 231
1166 464
1264 464
3432 464
1720 464
9747 464
1133 791
4930 791
5496 791
6291 791
8681 989
3023 989 (2 Replies)
Discussion started by: hemo21
2 Replies
5. UNIX for Dummies Questions & Answers
Hi. I am not sure the title gives an optimal description of what I want to do.
I have several text files that contain data in many columns. All the files are organized the same way, but the data in the columns might differ. I want to count the number of times data occur in specific columns,... (0 Replies)
Discussion started by: JamesT
0 Replies
6. UNIX for Dummies Questions & Answers
I would like to print unique lines without sort or unique. Unfortunately the server I am working on does not have sort or unique. I have not been able to contact the administrator of the server to ask him to add it for several weeks. (7 Replies)
Discussion started by: cokedude
7 Replies
7. Shell Programming and Scripting
I have one script as below:
#!/bin/ksh
Outputfile1="/home/OutputFile1.xls"
Outputfile2="/home/OutputFile2.xls"
InputFile1="/home/InputFile1.sql"
InputFile2="/home/InputFile2.sql"
echo "Select hobby, class, subject, sports, rollNumber from Student_Table" >> InputFile1
echo "Select rollNumber... (3 Replies)
Discussion started by: Sharma331
3 Replies
8. Shell Programming and Scripting
Hi,
I have an input file that I have sorted in a previous stage by $1 and $4. I now need something that will take the first record from each group of data based on the key being $1
Input file
1000AAA|"ZZZ"|"Date"|"1"|"Y"|"ABC"|""|AA
1000AAA|"ZZZ"|"Date"|"2"|"Y"|"ABC"|""|AA... (2 Replies)
Discussion started by: Ads89
2 Replies
9. UNIX for Beginners Questions & Answers
Dear community, I am facing a problem and I kindly ask your help:
I have 4 different data sets consisted from 3 different types of array.
On each file, column 1 is chromosome position, column 2 is SNP id etc... Lets say I have the following (bim) datasets:
x2014:
1 rs3094315... (4 Replies)
Discussion started by: fondan
4 Replies