10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
Why when I use this command do I get "E123"?
echo NCE123 | sed -n 's/\(.*\)\(\{1,\}\{1,5\}\)\(.*\)/\2/p'
But when I used this command, I get NCE123?
echo NCE123 | sed -n 's/\(.*\)\(\{3\}\{1,5\}\)\(.*\)/\2/p'
I thought \{1,\} would mean any number of characters and \{1,5\ would mean 1-5... (1 Reply)
Discussion started by: newbie2010
1 Replies
2. Shell Programming and Scripting
hi..
i have a fasta file with the following format
>sequence1
CCGGTTTTCGATTTGGTTTGACT
>sequence2
AAAGTGCCGCCAGGTTTTGAGTGT
>sequence3
AGTGCCGCAGAGTTTGTAGTGT
Now, i want to read alternate line and add "GGGGGGGGGGG" to end of every sequence
Desired output:
>sequence1... (4 Replies)
Discussion started by: empyrean
4 Replies
3. Shell Programming and Scripting
Experts,
At the moment I am working in AIX box where sed -i is not available.
My requirement is as below
Two files file1 and file2. file1 contains the IP address, its count. file2 contains the Hostname and its corresponding IP address. I would like get the IP address replaced with the apt... (7 Replies)
Discussion started by: sathyaonnuix
7 Replies
4. Shell Programming and Scripting
Hi, I have a question.
I define a function using sed command:
replace()
{
searchterm=$1
replaceterm=$2
sed -e "s/$searchterm/$replaceterm/ig" $3 > $WORK'tempfile.tmp'
mv $WORK'tempfile.tmp' $3
}
Then I call
replace 'test = 0' 'test = 1' $myfile
This code... (1 Reply)
Discussion started by: Dark2Bright
1 Replies
5. Shell Programming and Scripting
Hi, I have a question.
I define a function using sed command:
replace()
{
searchterm=$1
replaceterm=$2
sed -e "s/$searchterm/$replaceterm/ig" $3 > $WORK'tempfile.tmp'
mv $WORK'tempfile.tmp' $3
}
Then I call
replace 'test = 0' 'test = 1' $myfileThis code works well in... (1 Reply)
Discussion started by: Dark2Bright
1 Replies
6. Shell Programming and Scripting
I have been using grep for removing lines of a particular pattern from a long file in the following way
grep -vf Exclude_Lines File1 > File2
But grep seems to have some problems because sometimes it does the job, sometimes it does not....I have seen AWK is more powerful..
Can the same thing... (5 Replies)
Discussion started by: ananyob
5 Replies
7. Shell Programming and Scripting
Hi all,
I have to append every alternate line after its previous line. For example if my file has following contents
line 1: unix is an OS
line 2: it is open source
line 3: it supports shell programming
line 4: we can write shell scripts
Required output should be
line1: unix is an OS it is... (4 Replies)
Discussion started by: rish_max
4 Replies
8. UNIX for Dummies Questions & Answers
I am trying to write a simple script which will take a variable with sed to take a line out of a text and display it
#!/bin/sh
exec 3<list
while read list<&3
do
echo $list
sed -n '$list p'<list2
done
this does not work, yet when I replace the $list variable from the sed command and... (1 Reply)
Discussion started by: MaestroRage
1 Replies
9. UNIX for Dummies Questions & Answers
Using lsof command i can find out which process-id is associated with the port.
lsof -i :51000
. But as part of process i cant have lsof in the server.
I am using sun solaris 8 and only kshell. Is there a way to find out which process is using the above port. as of now i am gettn port... (1 Reply)
Discussion started by: logic0
1 Replies
10. Shell Programming and Scripting
Hello,
I have a string below
DUMMY=1,2,3,4,5,6
I want to extract fields 1-3 and put it as under in a file
1,2,3
I can do this using cut like below
echo $DUMMY | cut -d, -f1-3
But I would be processing more than 15000 such entries and I found that "cut" was using more CPU. So anyone... (2 Replies)
Discussion started by: Mohammed
2 Replies