ksh - strings


 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting ksh - strings
# 1  
Old 06-22-2005
ksh - strings

Hi,

I want to assign a string to a variable as below

a="test "
and use 'a' in grep

grep $a ..

when i tried this it was not taking the blank character in string a.

how can represent blank space or blank character

please help me

thanks
venkat
# 2  
Old 06-22-2005
MySQL

Try with egrep

Code:
egrep "$a" $filename

Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. UNIX for Beginners Questions & Answers

How to pass strings from a list of strings from another file and create multiple files?

Hello Everyone , Iam a newbie to shell programming and iam reaching out if anyone can help in this :- I have two files 1) Insert.txt 2) partition_list.txt insert.txt looks like this :- insert into emp1 partition (partition_name) (a1, b2, c4, s6, d8) select a1, b2, c4, (2 Replies)
Discussion started by: nubie2linux
2 Replies

2. Shell Programming and Scripting

ksh: how to extract strings from each line based on a condition

Hi , I'm a newbie.Never worked on Unix before. I want a shell script to perform the following: I want to extract strings from each line ,based on the type of line(Nameline,Subline) and output it to another file.Below is a sample format. 2010-12-21 14:00"1"Nameline"Midterm"First Name:Jane ... (4 Replies)
Discussion started by: angie1234
4 Replies

3. Shell Programming and Scripting

Delete lines in file containing duplicate strings, keeping longer strings

The question is not as simple as the title... I have a file, it looks like this <string name="string1">RZ-LED</string> <string name="string2">2.0</string> <string name="string2">Version 2.0</string> <string name="string3">BP</string> I would like to check for duplicate entries of... (11 Replies)
Discussion started by: raidzero
11 Replies

4. UNIX for Dummies Questions & Answers

Delete strings in file1 based on the list of strings in file2

Hello guys, should be a very easy questn for you: I need to delete strings in file1 based on the list of strings in file2. like file2: word1_word2_ word3_word5_ word3_word4_ word6_word7_ file1: word1_word2_otherwords..,word3_word5_others... (7 Replies)
Discussion started by: roussine
7 Replies

5. Shell Programming and Scripting

KSH Script to watch log files for 2 strings

Hi all, How can I do a ksh script to watch a log file for 2 specific alarms that have one this string : "Connection Error" and the other one: "Failure in sending". I would like to watch for these two alarms in the log and then if each of them repeats for about 30 times to go kill 2 processes. ... (1 Reply)
Discussion started by: Pouchie1
1 Replies

6. Shell Programming and Scripting

How to preserve space while concatenating strings? (KSH)

I have these str1=$(echo "This is string one with spaces \n This is also my sentence 1") When I echo $str1, it displays the new line character properly. Now I have another new variable say str2. I want to concatenate in this way.. str1 + newline character + and then str2. That's I... (3 Replies)
Discussion started by: dahlia84
3 Replies

7. Shell Programming and Scripting

ksh-script "arithmetic syntax error" comparing strings

Hi all, Iīve already searched the forum but canīt find what i am doing wrong. I am trying to compare two variables using ksh under red hat. The error I get is: -ksh: .: MDA=`md5sum /tmp/ftp_dir_after_transfer | cut -d' ' -f1 ` MDB=`md5sum /tmp/ftp_dir_before_transfer | cut -d' ' -f1 `... (3 Replies)
Discussion started by: old_mike
3 Replies

8. Shell Programming and Scripting

ksh :: want to cut the strings

I have contents like 423562143124/53125351276 sdgas/347236 sjhdk;ls'ald/y62783612763 I need a command that would make the string before / and after / as separate output as (A should contain 423562143124 )and B should contain 53125351276). I tried but in vain. Please help. (19 Replies)
Discussion started by: rollthecoin
19 Replies

9. Shell Programming and Scripting

ksh: Comparing strings that contain spaces and working with substrings

Forgive me. I am very new to kornshell scripts. The simplest things stop me dead in my tracks. Here are two such examples. I want to save the first 19 characters of the following string to a variable. "Operation Completed and blah blah blah" I know this works (from another thread): ... (2 Replies)
Discussion started by: nancylt723
2 Replies

10. Shell Programming and Scripting

mailx: concatenating strings for message body (KSH)

Hi all, Think this is a pretty simple problem, but I've been thinking about it for a few days. Let's say that I'm going to have to output the contents of a file as the body of a mailx message. I'll probably do this: cat <filename> | mailx <extra commands> However, how do I go about doing... (1 Reply)
Discussion started by: rockysfr
1 Replies
Login or Register to Ask a Question