INTELLIGENT WORK FORUMS
FOR COMPUTER PROFESSIONALS

Log In

Come Join Us!

Are you a
Computer / IT professional?
Join Tek-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!

*Tek-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Jobs

Need

Need

(OP)
I'm a newbie. I have a question:
The following script is supposed to list the first(oldest) 40 archived directories and remove them one by one, but I do not think it's correct. Seems that it will remove all the directories, not just the 40 mentioned. Please advise.

setenv archiveDir <someArchivePath>
foreach x (`ls -t ${archiveDir}/ | awk 'BEGIN {k=40} {k--; if(k<0) {print $0}}'`)
rm -rf ${archiveDir}/${x}
echo ${archiveDir}/${x}
end

RE: Need

Hi

Actually it does the reverse : skips the first 40 lines and outputs all the following. To output the first 40 lines :

CODE --> command line

# the shortest
master # awk 'NR<=40'

# the fastest
master # awk '1;NR==40{exit}' 

Feherke.
feherke.ga

RE: Need

(OP)
OK. Now it makes sense. Thanks alot for the quick reply.

RE: Need

Hi

By the way, the above "fastest" solution is just the fastest Awk way. There is a dedicated tool for this task : head.

Feherke.
feherke.ga

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Tek-Tips Forums free from inappropriate posts.
The Tek-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Tek-Tips forums is a member-only feature.

Click Here to join Tek-Tips and talk with other members!

Resources

Close Box

Join Tek-Tips® Today!

Join your peers on the Internet's largest technical computer professional community.
It's easy to join and it's free.

Here's Why Members Love Tek-Tips Forums:

Register now while it's still free!

Already a member? Close this window and log in.

Join Us             Close