10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Dear All,
assume i have a file with content:
<Start>6000</Start>
<Stop>7599</Stop>
the output is:
6000
7000
7100
7200
7300
7400
7599
how should we use any awk, sed, perl can do this task, means to extract the uniq prefixes from the start and stop prefix.
Thanks
Jimmy (3 Replies)
Discussion started by: jimmy_y
3 Replies
2. Shell Programming and Scripting
Is there a simple way to find the longest common prefix of a space-separated list of strings, optionally by field?
For example, given input:
"aaa_b_cc aaa_b_cc_ddd aaa_b_cc aaa_b_cd"with no field separator, output:
aaa_b_cwith _ field separator, output:
aaa_bI have an awk solution which... (1 Reply)
Discussion started by: CarloM
1 Replies
3. Shell Programming and Scripting
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538 (5 Replies)
Discussion started by: chrisjorg
5 Replies
4. UNIX for Dummies Questions & Answers
Hello , this is my first topic cause I need your little help:(
I got .txt file, and I want to find lines without letter 'a', so im writing:
grep "" list.txt (list.txt is the file of course)
and i have no idea why it's not working because it shows lines with a. (1 Reply)
Discussion started by: bbqtoss
1 Replies
5. Shell Programming and Scripting
My input strings look something like this:
/dev/vs/dsk/group/vol
I want to print just "group" out of the line... which is always found between the 4th and 5th "/" in the string.
I figure I have to use awk, sed, or some combination to do this, but I've searched the forums and can't find... (2 Replies)
Discussion started by: ltricarico
2 Replies
6. UNIX for Dummies Questions & Answers
hi,
I want to search all files in the current working direcotry and to print in comma (,) seperated output. But I have two patterns to search for.
Files will be in ABC20100508.DAT format.
Search should happen on the format (ABC????????.DAT) along with date(20100508).
I can do a
ls... (2 Replies)
Discussion started by: anandapani
2 Replies
7. 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
8. Shell Programming and Scripting
Hi,
I have a problem with sed. It doesn't recognize the "\n" character. It substitudes an "n", instead of introducing a new line.
This doesn't happend with print $ print "test \n \n" (it deos introduce two lines after hello)
(AIX)
$ sed s/bc/\n/g test.1 >test.2
$ cat test.1
bcdefg... (3 Replies)
Discussion started by: Santiago
3 Replies
9. Shell Programming and Scripting
--------------------------------------------------------------------------------
Hi All
I have a field being returned from the DB that when opened in Vi shows a ^M before the rest of the field is displayed on the next line.
I need it so that the only newline character is the end of the... (14 Replies)
Discussion started by: djkane
14 Replies
10. Shell Programming and Scripting
Hi,
in my korn shell I have this code:
typeset -uL1 rc
read rc?"Insert Y=Yes (default) or N=No >>"
If I press enter without value I wish to set rc=Y. This is my default.
This test: if ] then .... Do not work.
I hope in your help. Thanks in advance.
Regards,
Giovanni (3 Replies)
Discussion started by: gio123bg
3 Replies