10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi,
I've data like these:
Gene1,Gene2 snp1
Gene3 snp2
Gene4 snp3
I'd like to split line if comma and then print remaining information for the respective gene.
My code:
awk '{
if($1 ~ /,/){
n = split($0, t, ",") (7 Replies)
Discussion started by: genome
7 Replies
2. Shell Programming and Scripting
This is really frustrating because I can't figure it out.
I'm running a health check script. One of the items I'm checking is the amount of memory on a server. I use the free command, which outputs something like this (excerpt)
Mem: 100 100 100 100
Swap: 100 100 100 100
In my debugging... (5 Replies)
Discussion started by: JustaDude
5 Replies
3. Shell Programming and Scripting
How to match a shell variable that contains parenthesis (and other special characters like "!")
file.txt contains:
Charles Dickens
Matthew Lewis (writer)
name="Matthew Lewis (writer)";
awk -v na="$name" ' $0 ~ na' file.txt
Ideally this would match $name in file.txt (in this... (3 Replies)
Discussion started by: Mid Ocean
3 Replies
4. UNIX for Dummies Questions & Answers
Hi,
I have a .csv file which as empty lines with comma and some special characters in 3rd column as below.
Source data
1,2,3,4,%#,6
,,,,,,
1,2,3,4,5,6
Target Data
1,2,3,4,5,6I need to remove blank lines and special charcters
I am trying to get this using the below awk
awk -F","... (2 Replies)
Discussion started by: shruthidwh
2 Replies
5. Shell Programming and Scripting
Hello All,
I am here again scratching my head on pattern selection with special characters.
I have a large file having around 200 entries and i have to select a single line based on a pattern.
I am able to do that:
Code:
cat mytest.txt | awk -F: '/myregex/ { print $2}'
... (6 Replies)
Discussion started by: usha rao
6 Replies
6. Shell Programming and Scripting
Hi everybody;
I have a code and this fetches data from first.txt,modify it and outputs it to second.txt file.
l awk 'NR>1 {print "l ./gcsw "$1" lt all lset Data="$2" Value "$3}' /home/gcsw/first.txt > /home/gcsw/second.txt
this outputs as:
l ./gcsw 123 lt all lset Data=456 Value 789
... (1 Reply)
Discussion started by: gc_sw
1 Replies
7. Shell Programming and Scripting
I'm using awk '{print $1}' and it works most of the time to print the contents of a mysql query loop, but occationally I get a field with some special character in it, is there a way to tell awk to ignore all special characters between my FS? I have >186K records, so building a list of ALL special... (6 Replies)
Discussion started by: unclecameron
6 Replies
8. Shell Programming and Scripting
I'm very new to awk and sed and I've been struggling with this for a while.
I'm trying to search a file for a string with special characters and this string is a command line argument to a simple script.
./myscript "searchpattern" file
#!/bin/sh
awk "/$1/" $2 > dupelistfilter.txt
sed... (6 Replies)
Discussion started by: cue
6 Replies
9. Shell Programming and Scripting
Hi all,
How do I extract a value without special characters? I need to extract the value of %Used from below and if its greater than 80, need to send a notification.
I am doing this right now..Its giving 17%..Is there a way to extract the value and assign it to a variable in one step?
df |grep... (3 Replies)
Discussion started by: sam_78_nyc
3 Replies
10. Shell Programming and Scripting
i have this script that searches for a pattern.
However it fails if the pattern includes some
special characters. So far, it fails with the
following strings:
1. -Cr
2. $Mj
3. H'412
would a sed or awk be more effective?
i don't want the users to put the (\)
during the search (they... (5 Replies)
Discussion started by: apalex
5 Replies