10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Is it possible to store a command inside a variable?
i want this piece to be stored inside a variable, so i can use it later in a different command
$u | cut -d " " -f 2
var="$u | cut -d " " -f 2"
eval $var
I tried to use eval but I receive this error:
-f 2: command not found
... (5 Replies)
Discussion started by: velos
5 Replies
2. Shell Programming and Scripting
In a directory i have a file *output* whose contents are changing for every simulation.
zgrep "trace file is" *output* | zgrep g
o/p: trace file is Int_01.1352176388z4f56ec33.0.trace.gz
I want to extract "Int_01.1352176388z4f56ec33.0.trace.gz" from the above result into a variable.
i... (2 Replies)
Discussion started by: twistedpair
2 Replies
3. UNIX Desktop Questions & Answers
Hi ,
I was trying to store the value of a grep command to store in a variable so i can use it somewhere else in my script but i am getting error, i am using bash shell in linux:
var= `grep -n "$DATE" testfile.log | head -n 1 | sed -n 's/^\(*\).*/\1/p`
echo "$var"I get the error: unexpected... (5 Replies)
Discussion started by: learninguser235
5 Replies
4. Shell Programming and Scripting
I want to store the return value of
grep -c string filename
into a variable, say count. How do I do that?
For example if grep -c "string" "filename" shows 0 on executing it in the sh shell then I want to store this 0 in a variable. Is it possible? :D (5 Replies)
Discussion started by: navienavnav
5 Replies
5. Shell Programming and Scripting
Hello Experts
I am newbie to unix and writing one script to make archive files
Problme i am facing is : I have used find command to find the type of files and I am storing find command results in a variable.
When I echo the variable I can see that path is printed properly but when i am... (5 Replies)
Discussion started by: mitsyjohn
5 Replies
6. Shell Programming and Scripting
Hi,
I am trying to do the following thing
var='date'
$var
Above command substitutes date for and in turn runs the date command and i am getting the todays date value.
I am trying to do the same thing as following, but facing some problems,
unique_host_pro="sed -e ' /#/d'... (3 Replies)
Discussion started by: gvinayagam
3 Replies
7. Shell Programming and Scripting
Hi,
I have a file contains attribute value pair like..
..name=erick rollno=583.0 pass=recon..
From the above line, i need to grep for only "rollno" and store "rollno=583.0" in a variable.
Pls suggest (6 Replies)
Discussion started by: skraja1982
6 Replies
8. UNIX for Dummies Questions & Answers
Hello,
I have a question regarding the awk command. Here is the line I need to grep:
1 F= -.13250138E+03 E0= -.13249556E+03 d E =-.174650E-01 mag= 35.2157
Instead of displaying the number in red I would like to store it as a variable such as X. Is there a way to do this? Thanks for any... (3 Replies)
Discussion started by: modey3
3 Replies
9. UNIX for Dummies Questions & Answers
Hi all..
I got a problem..
Its easy to redirect o/p to a file.. But Is it possible to redirect the O/P to a variable?
For example:
I've a command in my script:
string1=cut -d ':' -f2 file.txt
When I do:
echo $string1
The value is empty... Pls suggest me how to store the value... (7 Replies)
Discussion started by: smartbuddy
7 Replies
10. Shell Programming and Scripting
I have the results of a grep with -n store in a shell variable
ie
VAR=`grep -n -e 'PATTERN' file`
How ever I am missing the line breaks in the variable , How do I store the resualts of grep with many lines in to a variables. I want the varable should be the sawmway as we do the grep
grep... (3 Replies)
Discussion started by: jojan
3 Replies