10 More Discussions You Might Find Interesting
1. UNIX for Beginners Questions & Answers
I'm trying to write a simple file sanity check script. I have a directory with dozen CSV files containing id,edname,firstname,lastname,suffix,email.
I like to write a awk script to check if first field contain a number and is not empty. and fields number 3,4 & 6 are not empty and... (3 Replies)
Discussion started by: dc34684
2. Shell Programming and Scripting
Hi All ,
below is my shell program.
# Program : weekly_remove_icd_file.sh
# Author :
# Date : 04/06/2013
# Purpose : Execute the script to... (3 Replies)
Discussion started by: krupasindhu18
3. Shell Programming and Scripting
I am doing a join command. Obviously, before I need two files sorted first. ( Both files have headers and have about 2 million lines each one )
The problem is, one of the files has null values in the key to sort (which is the first filed ). For example I have the original... (4 Replies)
Discussion started by: viktor1985
4. Shell Programming and Scripting
I kind of found out the hard way that I am not able to manipulate the null value, the long silence that happens when there is no value returned.
I am looking for PIDs, and when there is no PID return, I wanted to handle this special scenario.
Here is my script.
LAN_VARIABLE=... (7 Replies)
Discussion started by: lan123
5. Shell Programming and Scripting
I have a file with the values
i want to sort this file with the null values at the bottom of the file
OUTPUT should look like this
ops (6 Replies)
Discussion started by: vickyhere
6. Shell Programming and Scripting
Hi Im running this script, which is supposed to find the max value build some tables and then stop running once all the tables are built. Thing is , it keeps assigning a null value to $h and then $g is null so it keep building tables i.e. testupdateNUL. How can I stop this? Here is what I have:
... (4 Replies)
Discussion started by: brandono66
7. UNIX for Advanced & Expert Users
Can someone help me comparing Null values.
Scenario is as follows:
I have a variable which "cache_prd" which can have either some integer or nothing(Null)
if it is integer I have to again do some comparision but these comparisons give me this error:( "line 32: [: 95: unary operator... (3 Replies)
Discussion started by: Yagami
8. Shell Programming and Scripting
I have a problem with Null values while reading line by line from a text file. I wrote a shell script to read set of file names from a text file line by line, and zipping the each individual file and copying those zip files into some separate directory, and removing the original file... (3 Replies)
Discussion started by: npk2210
9. Shell Programming and Scripting
Ok, so when a user inputs nothing, simply pressing enter when prompted for a phone number, I get a "./addrbkfct.sh: test: argument expected" error message. I have the following function:
echo "Phone number: \c";
if ;... (2 Replies)
Discussion started by: DrRo183
10. Shell Programming and Scripting
I face some problem with handling of nulls. I declare a variable - say i - and intialise to 0. Later I read it from console, wherein if I dont give any variable and press return key, I get this error:
"0403-004 Specify a parameter with this command"
Is there anyway to handle this error?
... (3 Replies)
Discussion started by: mohanprabu