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. UNIX for Dummies Questions & Answers
Hello Unix experts,
If I could get any explanations on why the code below doesn't work it would be great !
My input looks like that ("|" delimited):
Saaaaabbbbbccccc|ok
Sdddddfffffggggg|ok
The goal is, if $2 is "ok", to remove everything before the pattern given in the match function... (5 Replies)
Discussion started by: lucasvs
5 Replies
3. 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
4. Shell Programming and Scripting
Hi,
balajesuri and durden_tyler, I have found your perl script for the thread https://www.unix.com/shell-programming-scripting/176370-perl-script-help-me-extracting-string.html, but find it difficult to understand the syntax.
Could you or any forum members kindly shed some light on the logic... (3 Replies)
Discussion started by: royalibrahim
3 Replies
5. 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
6. 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
7. 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
8. 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
9. Programming
I have searched the internet (including these forums) and perhaps I'm not using the right wording.
What I'm looking for is a function (preferably C) that analyzes the similitude of two numerical or near-numerical values, and returns either a true/false (match/nomatch) or a return code that... (4 Replies)
Discussion started by: marcus121
4 Replies
10. Shell Programming and Scripting
Hello everyone,
I found this command line in a website:
perl -pi.bak -we's/\z/Your new line\n/ if $. == 2;' your_text_file.txt
With this command line you can insert a new line anywhere you want in a text without overwriting what's in it.
-p causes perl to assume a loop around your... (4 Replies)
Discussion started by: goude
4 Replies