10 More Discussions You Might Find Interesting
1. UNIX for Beginners Questions & Answers
Hi Folks,
I am struggling to understand nawk command which was used by another developer.
Can you please explain what each character or string is doing here below:
if ; then (3 Replies)
Discussion started by: kirans.229
3 Replies
2. Shell Programming and Scripting
Will someone give me an explanation on how the sed command below works.
sed 's/.*//'
Thanks! (3 Replies)
Discussion started by: scj2012
3 Replies
3. UNIX for Dummies Questions & Answers
Hi everyone,
I am wondering if someone could please break down and explain the following sort command for me:
ls ${DEST_LOCATION}/${FILES} | sort -rt -k 4,4n | head -1
I have tried working it out using 'man sort', but on AIX there is not a great explanation of this function. I know that... (9 Replies)
Discussion started by: jimbojames
9 Replies
4. Shell Programming and Scripting
Hi All
I ran a script in Linux.
In the script i have lines like
&& echo "Failed: Missing ${CM_ENV_FILE} \n" && return 1
. ${CM_ENV_FILE}
Where CM_ENV_FILE = /data/ds/dpr_ebicm_uat//etl/cm3_0/entities/BBME/parameters/cm.env
But its taking this path... (1 Reply)
Discussion started by: vee_789
1 Replies
5. UNIX for Advanced & Expert Users
can anyone please tell me what does this expression means , i am under probation and need some explanation :)
$AUDIT_DIR -type f -mtime +$AUDIT_EXPIRE \ -exec rm {} > /dev/null 2>&1 \;
AUDIT_DIR="/var/log/"
AUDIT_EXPIRE='30'
Please use code tags! (4 Replies)
Discussion started by: semaan
4 Replies
6. Shell Programming and Scripting
sed '$!N; /^\(.*\)\n\1$/!P; D'
i found this file which removes duplicates irrespective for sorted or unsorted file. keep first occurance and remove the further occurances.
can any1 explain how this is working..
i need to remove duplicates following file. duplicate criteria is not the... (3 Replies)
Discussion started by: mukeshguliao
3 Replies
7. UNIX for Dummies Questions & Answers
can someone please explain the below sed command..
sed 's/\(*|\)\(.*\)/\2\1/' (6 Replies)
Discussion started by: raghu_shekar
6 Replies
8. Shell Programming and Scripting
Hi All,
can you please explain me the meaning of this line--
BackupLocation="/inpass/abc"
Parent=$(expr $BackupLocation : '\(.*\)/.*' \| $BackupLocation)
when i ran this as a command also it did not show me anything so could not get the purpose of this line.
Explain it please. (3 Replies)
Discussion started by: namishtiwari
3 Replies
9. Shell Programming and Scripting
Hi,
Could you please explain me the below statement -- phrase wise.
sed -e :a -e '$q;N;'$cnt',$D;ba' abc.txt > xyz.txt
if suppose $cnt contains value: 10
it copies last 9 lines of abc.txt to xyz.txt
why it is copying last 9 rather than 10.
and also what is ba and $D over there in... (4 Replies)
Discussion started by: subbukns
4 Replies
10. Shell Programming and Scripting
Hi Gurus,
sqlplus system @$1 0</opt/oracle/pwdfile
What would be the output of the above life....the password for the user "system" the user is stored in /opt/oracle/pwdfile
When i try to run the script it says password not found?
$1 0<
What is the meaning of the $1 and 0?
... (1 Reply)
Discussion started by: castlerock
1 Replies