Sponsored Content
Top Forums Shell Programming and Scripting grep and assign it to variable Post 302186755 by xyz123 on Friday 18th of April 2008 02:30:57 AM
Old 04-18-2008
grep and assign it to variable

Hi ,

Help required

i want to grep a pattern from a file using "grep -n" command
then cut the field (i.e line number return by cut command) and
assign it to a variable

e.g

var=grep -n "end" FILE1 | cut -f1 -d":"

But i am not able to perform this operation.

i am performing all this operation in a script do need to use "eval"


Thanks in advance
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

assign a value to variable

I have to assign a result of a query to a vairable like this how can i do this Query = select count(*) from table x=`db2 ${Query}| sed -n '4p'` but this doesn't work, is there any other way to assign the result without redirecting the result to temp file. . Thanks Mark. (3 Replies)
Discussion started by: markjason
3 Replies

2. Shell Programming and Scripting

assign a value to a variable

I have a list of names in a file. i want to assign those names to a variable in such a manner eg: $cat file.txt pete lisa john var=pete-lisa-john how do i do this in shell scripting? (10 Replies)
Discussion started by: Shivdatta
10 Replies

3. Shell Programming and Scripting

assign subst|grep|sed command result to a variable

Hi, I'm quite new to scripting and I want to modify following line of an existing script: MYVAR=`subst |grep 'L:\\\:' | sed -e 's/.*\\\//'`; What I have to do is to use the content of a variable instead of the constant expression 'L:\\\:' as the grep string to be matched. Assuming I already... (5 Replies)
Discussion started by: snowbiker99
5 Replies

4. Shell Programming and Scripting

assign awk's variable to shell script's variable?

Dear All, we have a command output which looks like : Total 200 queues in 30000 Kbytes and we're going to get "200" and "30000" for further process. currently, i'm using : numA=echo $OUTPUT | awk '{print $2}' numB=echo $OUTPUT | awk '{print $5}' my question is : can I use just one... (4 Replies)
Discussion started by: tiger2000
4 Replies

5. Shell Programming and Scripting

Shell assign variable to another variable

How can I assign a variable to an variable. IE $car=honda One way I can do it is export $car=honda or let $car=2323 Is there any other ways to preform this task (3 Replies)
Discussion started by: 3junior
3 Replies

6. Shell Programming and Scripting

Assign grep match to variable question

Hi, I'm trying to assign a grep result to a variable but instead of having all grep result's assigned to the variable, would it be possible to assign the first match, do something, then move onto the next match and assign it to that variable and so on until all matches have been completed I... (4 Replies)
Discussion started by: Jazmania
4 Replies

7. Shell Programming and Scripting

If grep value is null then assign 0 to variable

DELETE=`cat $logfile1 | egrep -i "Delete" | sed 's/ */ /g' | cut -d" " -f2` INSERT=`cat $logfile1 | egrep -i "Insert" | sed 's/ */ /g' | cut -d" " -f2` UPDATE=`cat $logfile1 | egrep -i "Update" | sed 's/ */ /g' | cut -d" " -f2` I need soming like below: if value is null... (8 Replies)
Discussion started by: Veera_V
8 Replies

8. UNIX for Beginners Questions & Answers

Need to pass variable in a command and assign value to a variable

Hello All, Hope you're doing well ! I am trying below command to be passed in a shell script, header_date_14 is a variable and $1 is the name of a file I intend to pass as a command line argument, however command line argument is not being accepted. header_date_14=$(m_dump... (8 Replies)
Discussion started by: ektubbe
8 Replies

9. UNIX for Beginners Questions & Answers

How can I assign awk's variable to shell script's variable?

I have the following script, and I want to assign the output ($10 and $5) from awk to N and L: grdinfo data.grd | awk '{print $10,$5}'| read N L output from gridinfo data.grd is: data.grd 50 100 41 82 -2796 6944 0.016 0.016 3001 2461. where N and L is suppose to be 3001 and 100. I use... (8 Replies)
Discussion started by: geomarine
8 Replies

10. UNIX for Beginners Questions & Answers

Assign value to variable

Hi Guys, I need to assign the value of which has rows to a variable, Can you advise how to do that hive --orcfiledump /hdfs_path/ | grep "Rows" Rows: 131554 I need to assign this row count itself to a unix variable count=$(hive --orcfiledump /hdfs_path/ | grep "Rows") Expected ... (6 Replies)
Discussion started by: Master_Mind
6 Replies
ZGREP(1)						      General Commands Manual							  ZGREP(1)

NAME
zgrep - search possibly compressed files for a regular expression SYNOPSIS
zgrep [ grep_options ] [ -e ] pattern filename... DESCRIPTION
Zgrep is used to invoke the grep on compress'ed or gzip'ed files. All options specified are passed directly to grep. If no file is speci- fied, then the standard input is decompressed if necessary and fed to grep. Otherwise the given files are uncompressed if necessary and fed to grep. If zgrep is invoked as zegrep or zfgrep then egrep or fgrep is used instead of grep. If the GREP environment variable is set, zgrep uses it as the grep program to be invoked. For example: for sh: GREP=fgrep zgrep string files for csh: (setenv GREP fgrep; zgrep string files) AUTHOR
Charles Levert (charles@comm.polymtl.ca) SEE ALSO
grep(1), egrep(1), fgrep(1), zdiff(1), zmore(1), znew(1), zforce(1), gzip(1), gzexe(1) ZGREP(1)
All times are GMT -4. The time now is 03:38 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy