10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I apologize if this question has been answered else where or is too elementary.
I ran across a KSH script (long unimportant story) that does this:
if ; then
CAS_SRC_LOG="/var/log/cas_src.log 2>&1"
else
CAS_SRC_LOG="/dev/null 2>&1"
fithen does this:
/usr/bin/echo "heartbeat:... (5 Replies)
Discussion started by: jbmorrisonjr
5 Replies
2. Shell Programming and Scripting
Hi I need to check the output of a string to null. For eg the output I get for $KIT is empty. So want to echo something when the output is empty.
How can I do that?
Thanks in advance (6 Replies)
Discussion started by: Ananthdoss
6 Replies
3. Shell Programming and Scripting
Hi,
I want to be able to check if a variable is not equal to null. I am using KSH, and am getting this error message when i run this script:
: assignment requires lvalue
The line which is causing the problem is as follows:
if (($SFTP_DESTINATION != '' ));then
if ssh... (6 Replies)
Discussion started by: Jack_Maloney
6 Replies
4. UNIX for Dummies Questions & Answers
How are these two different? They both prevent output and error from being displayed. I don't see the use of the "&"
echo "hello" > /dev/null 2>&1
echo "hello" > /dev/null 2>1 (3 Replies)
Discussion started by: glev2005
3 Replies
5. Shell Programming and Scripting
I have an input file having 7 fields delimited by ,
eg :
1,ABC,hg,1,2,34,3
2,hj,YU,2,3,4,
3,JU,kl,4,5,7,
4,JK,KJ,3,56,4,5
The seventh field here in some lines is empty, whereas the other lines there is a value.
How do I insert string NULL at this location (7th loc) for these lines where... (8 Replies)
Discussion started by: zilch
8 Replies
6. Shell Programming and Scripting
Dear All,
I'm glad that I've also joined in this forum. Good work fellas... :b:
Keep going...! :)
I am having a .csv file where I am reading the values with comma(,) as delimiter. After reading each and every values, I would like to check whether it is empty (say null or blank spaces). How... (4 Replies)
Discussion started by: ganapathi.t
4 Replies
7. Shell Programming and Scripting
I've got a very peculiar situation. I'm trying to find out if we can compare null fields with non-null. I've output csv files from SQL and Oracle. I need to compare each field from the files, and then find out any differences. The files usualy have over 500 fields, and send the resule to DBA.... (8 Replies)
Discussion started by: nitin
8 Replies
8. Shell Programming and Scripting
Ok, here's what I'm trying to do:
I'm trying to formulate an <expression> that will match any of the following:
*.jpeg
*.jpg
*.JPEG
*.JPG
for a 'find <directory> -name <expression> ' command. I'd like to do *., but don't know what the null character is, or even if it exists. Any... (6 Replies)
Discussion started by: kidcharles
6 Replies
9. UNIX for Dummies Questions & Answers
How do I get rid of null characters/strings in a unix text file. I need to use this in a script. When I use dev/null it puts null characters in my file and makes it larger. Please help (5 Replies)
Discussion started by: alnita
5 Replies
10. UNIX for Advanced & Expert Users
Hi,
Q1-What does
nroff -ms > /dev/null
Q2- What does mean -A under STAT column :
ps aux |head -20
UTIL PID %CPU %MEM SZ RSS TTY STAT STIME TIME COMMAND
root 516 93,0 0,0 12 12 - A 04 nov 3906:51 wait
Thank you. (4 Replies)
Discussion started by: big123456
4 Replies
