01-28-2009
hi franklin, care to explain what the awk statement means? thanks
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi all,
I have got a problem while comparing 2 text files and the result should contains the unique values(Non repeatable).
For eg:
file1.txt
1
2
3
4
file2.txt
2
3
So after comaping the above 2 files I should get only 1 and 4 as the output. Pls help me out. (7 Replies)
Discussion started by: smarty86
7 Replies
2. Shell Programming and Scripting
Hi all,
I have a huge csv file with the following format of data,
Num SNPs, 549997
Total SNPs,555352
Num Samples, 157
SNP, SampleID, Allele1, Allele2
A001,AB1,A,A
A002,AB1,A,A
A003,AB1,A,A
...
...
...
I would like to write out a list of unique SNP (column 1). Could you... (3 Replies)
Discussion started by: phoeberunner
3 Replies
3. UNIX for Dummies Questions & Answers
Hi All,
Is there a way to get NON unique lines from 2 or more concatenated files?
Basically I have several files which are very similar with the exception of few lines and I want to find out which lines are different in each file. Very simple example is
file1 contains:
1
2
3
4
5file2... (122 Replies)
Discussion started by: pawannoel
122 Replies
4. UNIX for Advanced & Expert Users
Hi All,
I have a very huge file (4GB) which has duplicate lines. I want to delete duplicate lines leaving unique lines. Sort, uniq, awk '!x++' are not working as its running out of buffer space.
I dont know if this works : I want to read each line of the File in a For Loop, and want to... (16 Replies)
Discussion started by: krishnix
16 Replies
5. Shell Programming and Scripting
Hi,
I would like to compare 2 files, and have a return code write to a file.
regardless of the files contents are the same the code should be writing to a file (if both files contents are same then return code 0).
A simple example will be great :)
Thanks (3 Replies)
Discussion started by: khchong
3 Replies
6. UNIX for Dummies Questions & Answers
hi
i have used comm -13 <(sort 1.txt) <(sort 2.txt) option to get the unique lines that are present in file 2 but not in file 1. but some how i am getting the entire file 2. i would expect few but not all uncommon lines fro my dat. is there anything wrong with the way i used the command?
my... (1 Reply)
Discussion started by: anurupa777
1 Replies
7. Shell Programming and Scripting
hi
my problem is little complicated one. i have 2 files which appear like this
file 1
abbsss:aa:22:34:as akl abc 1234
mkilll:as:ss:23:qs asc abc 0987
mlopii:cd:wq:24:as asd abc 7866
file2
lkoaa:as:24:32:sa alk abc 3245
lkmo:as:34:43:qs qsa abc 0987
kloia:ds:45:56:sa acq abc 7805
i... (5 Replies)
Discussion started by: anurupa777
5 Replies
8. Shell Programming and Scripting
Hello I'm having a little difficulty in writing a shell script for a few simple tasks.
First I have two files "file1.txt" and "file2.txt" and I want to read and compare the last line of each file. The files look like this.
File1.txt
File2.txt
After comparing the two lines I would... (2 Replies)
Discussion started by: RustikGaming
2 Replies
9. Shell Programming and Scripting
Hello Everyone!
I have updated the first post so that my intentions are easier to understand, and also attached sample files (post #18).
I have over 500 text files in a directory. Over 1 GB of data. The data in those files is organised in lines:
My intention is to return one line per... (23 Replies)
Discussion started by: clippertm
23 Replies
10. Shell Programming and Scripting
Hi,
I am trying to script the below, but I am not very good at it :(
Your help would be greatly appreciated.
1. read all files in the directory in strings
strings *.*
2. in each file, for each line that contains "ABCD", store characters located at position 521 and 522 of this line... (9 Replies)
Discussion started by: clippertm
9 Replies
LEARN ABOUT REDHAT
mac2unix
dos2unix(1) General Commands Manual dos2unix(1)
NAME
dos2unix - DOS/MAC to UNIX text file format converter
SYNOPSYS
dos2unix [options] [-c convmode] [-o file ...] [-n infile outfile ...]
Options:
[-hkqV] [--help] [--keepdate] [--quiet] [--version]
DESCRIPTION
This manual page documents dos2unix, the program that converts plain text files in DOS/MAC format to UNIX format.
OPTIONS
The following options are available:
-h --help
Print online help.
-k --keepdate
Keep the date stamp of output file same as input file.
-q --quiet
Quiet mode. Suppress all warning and messages.
-V --version
Prints version information.
-c --convmode convmode
Sets conversion mode. Simulates dos2unix under SunOS.
-o --oldfile file ...
Old file mode. Convert the file and write output to it. The program default to run in this mode. Wildcard names may be used.
-n --newfile infile outfile ...
New file mode. Convert the infile and write output to outfile. File names must be given in pairs and wildcard names should NOT be
used or you WILL lost your files.
EXAMPLES
Get input from stdin and write output to stdout.
dos2unix
Convert and replace a.txt. Convert and replace b.txt.
dos2unix a.txt b.txt
dos2unix -o a.txt b.txt
Convert and replace a.txt in ASCII conversion mode. Convert and replace b.txt in ISO conversion mode. Convert c.txt from Mac to Unix
ascii format.
dos2unix a.txt -c iso b.txt
dos2unix -c ascii a.txt -c iso b.txt
dos2unix -c mac a.txt b.txt
Convert and replace a.txt while keeping original date stamp.
dos2unix -k a.txt
dos2unix -k -o a.txt
Convert a.txt and write to e.txt.
dos2unix -n a.txt e.txt
Convert a.txt and write to e.txt, keep date stamp of e.txt same as a.txt.
dos2unix -k -n a.txt e.txt
Convert and replace a.txt. Convert b.txt and write to e.txt.
dos2unix a.txt -n b.txt e.txt
dos2unix -o a.txt -n b.txt e.txt
Convert c.txt and write to e.txt. Convert and replace a.txt. Convert and replace b.txt. Convert d.txt and write to f.txt.
dos2unix -n c.txt e.txt -o a.txt b.txt -n d.txt f.txt
DIAGNOSTICS
BUGS
The program does not work properly under MSDOS in stdio processing mode. If you know why is that so, please tell me.
AUTHORS
Benjamin Lin - <blin@socs.uts.edu.au>
Bernd Johannes Wuebben (mac2unix mode) <wuebben@kde.org>
MISCELLANY
Tested environment:
Linux 1.2.0 with GNU C 2.5.8
SunOS 4.1.3 with GNU C 2.6.3
MS-DOS 6.20 with Borland C++ 4.02
Suggestions and bug reports are welcome.
SEE ALSO
unix2dos(1) mac2unix(1)
1995.03.31 dos2unix v3.0 dos2unix(1)