10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I need a script to check the records in a file , if any value match transfer the record in error.txt file.
1- If any of the any field value is NULL(nothing in this field)
Record1|Record2|Record3|Record4|Record5|DATE1|DATE2
Example:
11111111|22222222|NULL|12|444|27042018|27042018... (8 Replies)
Discussion started by: vivekn
8 Replies
2. UNIX for Beginners Questions & Answers
Hi there! I'm developing a program that allows the user to open and edit files using both an editor and the terminal. Once the user has finished editing the file an update is sent to the logbook that compares the file before and after it was edited - this can only be done if the file is closed (I... (23 Replies)
Discussion started by: cherryTango
23 Replies
3. Shell Programming and Scripting
Hello Experts,
I need to write a shell script to check if a file is open and something is being written to it. I want to know how OS handles it. I checked with lsof command but it is not working. For a test I did this.
while true; do echo `date` >>abc.txt; done
then I checked
lsof |... (5 Replies)
Discussion started by: shekhar_4_u
5 Replies
4. Shell Programming and Scripting
used below command to redirect records having P000 in all columns except 4th one in the below files with 3 records , lets say outout in below file is record 1,2 not 3 which is having P000 in the 4th column
below commad not working , any help ?
awk 'NF>0 { for(i=11;i<=NF;i+=1) if (i!=4 &&... (7 Replies)
Discussion started by: airesh
7 Replies
5. Solaris
I know how to check if any file has a unix process using a file by looking at 'lsof <fullpath/filename>' command.
I think using lsof is very expensive. Also to make it accurate we need to inlcude fullpath of the file.
Is there another command that can tell if a file has a truely active... (12 Replies)
Discussion started by: kchinnam
12 Replies
6. Shell Programming and Scripting
Hi,
I had input file with below data,
abcdefghij;20100903040607;1234567891;GLOBAL;
Having values of fields with seperated by semi-colon (;) and ended with line feed (\n).
Through shell script, how can I check the field formatting?
Thanks in advance. (18 Replies)
Discussion started by: Poonamol
18 Replies
7. Shell Programming and Scripting
Hi Everyone,
Below is the script, i feel there should be more simple way to do the same output, my one works, but feel not nice. like using index i feel it is slow (image my file is very large), maybe awk can do one line code?
Please advice.
# cat 1.txt
1 a
2 b
3 cc
4 d
# cat 1.pl... (6 Replies)
Discussion started by: jimmy_y
6 Replies
8. Shell Programming and Scripting
hi
i need to check for the value of one particular field : in the output file. the file may contain many such records as below
how to ????
*** Throttled with base name + key params!
:
: -518594328
: les.alarm.LBS12005
: les.alarm.LBS12005
: les
: lessrv1
: les
: 2328
: 0... (7 Replies)
Discussion started by: aemunathan
7 Replies
9. UNIX for Dummies Questions & Answers
I have a small script that checks to see if a file exists and that it has data in it. I also need to check if the file can be opened. I had an issue today where the file it checks could not be opened and my script did not catch it. How do I check to see if it cannot be opened?
... (19 Replies)
Discussion started by: ssmith001
19 Replies
10. Solaris
I'm getting an error "too many files open"
# ulimit -a
time(seconds) unlimited
file(blocks) unlimited
data(kbytes) unlimited
stack(kbytes) 8192
coredump(blocks) unlimited
nofiles(descriptors) 256
memory(kbytes) unlimited
#
hard limit shows 1024
I would like to know how many files... (1 Reply)
Discussion started by: max_min
1 Replies