10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
In the file below I am trying to count the given repeats of A,T,C,G in each string of letters. Each sequence is below the > and it is possible for a string of repeats to wrap from the line above. For example, in the first line the last letter is a T and the next lines has 3 more. I think the below... (10 Replies)
Discussion started by: cmccabe
10 Replies
2. Shell Programming and Scripting
Hi All,
I have a file fo around 15k bytes which i need to insert a string " + "at every 250 bytes.
I found some ideas here using perl to split into lines and tried to addapt it but the results where not satisfactory
for instance i tried to change
#!/usr/bin/perl
$teststring =... (9 Replies)
Discussion started by: kadu
9 Replies
3. Homework & Coursework Questions
Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted!
1. The problem statement, all variables and given/known data:
My goal to find how many requests in 14 days from weblog server. I know to cat a weblog file to wc -l to find the... (8 Replies)
Discussion started by: scopiop
8 Replies
4. UNIX for Dummies Questions & Answers
Hi guys,
I am trying to find the following string in a file, but I always get pattern not found error, not sure what is missing here. Can you help please?
I do a less to open the xrates.log and then do a /'="18"' in the file and tried various combinations to search the below string.
String... (8 Replies)
Discussion started by: santokal
8 Replies
5. Shell Programming and Scripting
Hi,
I have file
#cat drivers.txt
fcs0
fcs1
vscsi1
vscsi2
In this i need to check the availabality of "fcs" or "vscsi" alone not vscsi0,fcs1
I tried with "if condition" but it is not working.
cat drivers.txt| while read ADAP
do
echo "Checking for $ADAP"
if ;then
echo "FC... (9 Replies)
Discussion started by: ksgnathan
9 Replies
6. Shell Programming and Scripting
how can i print all the chars of a string one by line?
i have thought that use a for cicle and use this command inside:
${VARIABLE:0:last}but how can i make last? because string is random
P.S. VARIABLE is the string
or can i make a variable for every chars of this string?
this was my idea... (10 Replies)
Discussion started by: tafazzi87
10 Replies
7. UNIX for Dummies Questions & Answers
Hi,
I'm curious about how to do a very simple thing with regular expressions that I'm unable to figure out.
If I want to find out if a string contains 'a' AND 'b' AND 'c' it can be very easily done with grep:
echo $STRING|grep a|grep b|grep c
but, how would you do that in a single... (9 Replies)
Discussion started by: jimcanoa
9 Replies
8. Shell Programming and Scripting
I have a string I keep appending too upto certain amount of chars.
Is there some sort of way for me to check the string to see if I hit my limit of repeatable characters?
For example, assume I allow for 2 repeatable chars, this will be a valid
string Xxh03dhJUX, so I can append the last... (3 Replies)
Discussion started by: BeefStu
3 Replies
9. Shell Programming and Scripting
I want to write a shell script in order to retreive some data from a log file that i have written into.
The string that i want to get is the number 2849 (that is located between | | ).
To explain further, this is the result i get after running "grep LOGIN filename.log" but i need to get the... (25 Replies)
Discussion started by: danland
25 Replies
10. UNIX for Dummies Questions & Answers
Hi.
Can I extract the last 3 characters from a given string using sed ?
Why the following doesn't work (it prints the full string) :
echo "abcd" | sed '/\.\.\.$/p' doesn't work ?
output: abcd
Thanks in advance,
435 Gavea. (7 Replies)
Discussion started by: 435 Gavea
7 Replies