10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
hi,
i want to check whether a a variable contains some value or is empty in a shell script. so if the variable contains some value i want to do some job and if the variable doesnt contain any value then i need to skip that job.
here is a sample script
read_filenames.sh contains
... (5 Replies)
Discussion started by: Little
5 Replies
2. Shell Programming and Scripting
I have a script /root/asas with following contents.
#!/bin/bash
ha=`cat /etc/passwd | grep sandra`
if ; then
echo "Sandra is in /etc/passwd"
echo "variable ha is $ha"
else
echo "Sandra is NOT in /etc/passwd"
echo "variable ha is $ha"
fi
What... (3 Replies)
Discussion started by: anil510
3 Replies
3. Shell Programming and Scripting
#!/bin/sh
echo "Running Script to capture ORACLE Erros"
# Change Directory to the actual logs path
cd /home/nv8510/lognew
err_var=`grep -in "ORA-" *`
if then
echo "THESE ARE THE ORACLE ERROR OCCURED"
echo "$err_var"
echo... (7 Replies)
Discussion started by: neeraj617
7 Replies
4. Shell Programming and Scripting
I have seen many posts for this sort of problem but I just did not know how to use it for my issue. A number is assigned to a variable and I wanted to check if it is a zero or non zero.
Example of my numbers are below:
000000000000000000000000000000000000000000000000... (8 Replies)
Discussion started by: soujiv
8 Replies
5. UNIX for Dummies Questions & Answers
hi to all,
i want to check the value of a variable that it contains characters.
for example i try the following:
if then .........
i just want to check that in the specific line that is a variable called "passline" has the entry "password". But it can contain also other characters in the... (4 Replies)
Discussion started by: omonoiatis9
4 Replies
6. Shell Programming and Scripting
Hi all,
to check that a variable is not empty, I usually do:
if ; then...
or
if ; then...
what if I have a serie of variables and want to do the same test on all of them. How to do this in a single if statement?
thank you (1 Reply)
Discussion started by: melanie_pfefer
1 Replies
7. Shell Programming and Scripting
Hi
I am writing a bash script and would like to check is a variable contains a . or not
ex.
a=102 output ok
a=1.02 output not ok
Many thanks, (3 Replies)
Discussion started by: gekkos
3 Replies
8. Shell Programming and Scripting
Hello All,
I have a script that will email out if the email address is specified as parameter 1.
I am using ksh, and then tried the following :
email=$1
Following did not work, I am getting error
test -z $email
test ${email:=" ") -eq " "
test -n $email
test ${?email}
What... (4 Replies)
Discussion started by: negixx
4 Replies
9. Shell Programming and Scripting
Hello
I want to check for NULL variable..
but this is not working..please help
thanks in advance
esham (2 Replies)
Discussion started by: esham
2 Replies
10. UNIX for Dummies Questions & Answers
If I have a variable $X, how do I check it is a number?
Many thanks. (2 Replies)
Discussion started by: handak9
2 Replies