10 More Discussions You Might Find Interesting
1. UNIX for Advanced & Expert Users
I have 2 large file (.dat) around 70 g, 12 columns but the data not sorted in both the files.. need your inputs in giving the best optimized method/command to achieve this and redirect the not macthing lines to the thrid file ( diff.dat)
File 1 - 15 columns
File 2 - 15 columns
Data is... (9 Replies)
Discussion started by: kartikirans
9 Replies
2. UNIX for Advanced & Expert Users
Optimization shell/awk script to aggregate (sum) for all the columns of Huge data file
File delimiter "|"
Need to have Sum of all columns, with column number : aggregation (summation) for each column
File not having the header
Like below -
Column 1 "Total
Column 2 : "Total
...
...... (2 Replies)
Discussion started by: kartikirans
2 Replies
3. Shell Programming and Scripting
I have a huge list of files (about 300,000) which have a pattern like this.
.I 1
.U
87049087
.S
Am J Emerg
.M
Allied Health Personnel/*; Electric Countershock/*;
.T
Refibrillation managed by EMT-Ds:
.P
ARTICLE.
.W
Some patients converted from ventricular fibrillation to organized... (1 Reply)
Discussion started by: shoaibjameel123
1 Replies
4. Shell Programming and Scripting
Hi, Great minds, I have some files, in fact header files, of CTD profiler, I tried a lot C programming, could not get output as I was expected, because my programming skills are very poor, finally, joined unix forum with the hope that, I may get what I want, from you people,
Here I have attached... (17 Replies)
Discussion started by: nex_asp
17 Replies
5. Shell Programming and Scripting
I’m new to Linux script and not sure how to filter out bad records from huge flat files (over 1.3GB each). The delimiter is a semi colon “;”
Here is the sample of 5 lines in the file:
Name1;phone1;address1;city1;state1;zipcode1
Name2;phone2;address2;city2;state2;zipcode2;comment... (7 Replies)
Discussion started by: lv99
7 Replies
6. Shell Programming and Scripting
I got three different file:
Part of File 1
ARTPHDFGAA
.
.
Part of File 2
ARTGHHYESA
.
.
Part of File 3
ARTPOLYWEA
.
. (4 Replies)
Discussion started by: patrick87
4 Replies
7. Shell Programming and Scripting
Hi, All
I have a huge file which has 450G. Its tab-delimited format is as below
x1 A 50020 1
x1 B 50021 8
x1 C 50022 9
x1 A 50023 10
x2 D 50024 5
x2 C 50025 7
x2 F 50026 8
x2 N 50027 1
:
:
Now, I want to extract a subset from this file. In this subset, column 1 is x10, column 2 is... (3 Replies)
Discussion started by: cliffyiu
3 Replies
8. Shell Programming and Scripting
I have a file with data extracted, and need to insert a header with a constant string, say: H|PayerDataExtract
if i use sed, i have to redirect the output to a seperate file like
sed ' sed commands' ExtractDataFile.dat > ExtractDataFileWithHeader.dat
the same is true for awk
and... (10 Replies)
Discussion started by: deepaktanna
10 Replies
9. Shell Programming and Scripting
Hello All,
I need some assistance to extract a piece of information from a huge file.
The file is like this one :
database information
ccccccccccccccccc
ccccccccccccccccc
ccccccccccccccccc
ccccccccccccccccc
os information
cccccccccccccccccc
cccccccccccccccccc... (2 Replies)
Discussion started by: Marcor
2 Replies
10. UNIX for Dummies Questions & Answers
folks,
In my working directory, there a multiple large files which only contain one line in the file. The line is too long to use "grep", so any help?
For example, if I want to find if these files contain a string like "93849", what command I should use?
Also, there is oder_id number... (1 Reply)
Discussion started by: ting123
1 Replies