one liners specialist


 
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Old 03-10-2010
one liners specialist

Very handy website with tons of one liners about openssl, mysql, grep, sed, tcpdump, awk, ssldump, iptables, curl, netcat, sql, dig, cisco ios...

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1. What is on Your Mind?

One liners, quick rant...

Hi fellas and fella-esses... There are numerous threads on here where people ask for, and often expect, solutions to difficult problems solved using _one_liners_. Why do they insist as such when it is virtually no different in execution time with well thought out indented code? Is it me... (12 Replies)
Discussion started by: wisecracker
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awk one liners into a nice script

Hi All, I got some awk one liners, how can i split it all into a nice script? Got these: gzcat capgw0.log-201308161376632741.gz | sed -n '/2013-08-16 05:56:/,/2013-08-16 05:58:/p' > timebased.log awk -F":|," 'FNR==NR && /INFO - AId:/ {a=$0;next} END {for (i in a) print i "|" a}'... (8 Replies)
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3. What is on Your Mind?

Those simple one liners

I wanted to say LOL and punch my face when I saw post#11 (where Don_Cragun even reduced the string manipulation with a simple regex) in the thread https://www.unix.com/shell-programming-scripting/220553-add-0-start-filename-2.html I mean, when things can be done with just a one liner, sometimes I... (6 Replies)
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awk - one liners

Guys, I have a requirement like this. A file has >5K records always. Separated by "|", it has 30 fields for each line. In some lines, I am getting an odd field. say, the 15th field is supposed to be 2 characters but comes in as >2. In this case, for resolving this I need to copy the value of... (6 Replies)
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5. Shell Programming and Scripting

invaluable resource for shell one liners and more

Hi all, This link might help whom is seeking a quick solutions for thier daily shell needs. linkAll commands | commandlinefu.com (1 Reply)
Discussion started by: h@foorsa.biz
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iptables-apply(8)					      System Manager's Manual						 iptables-apply(8)

NAME
iptables-apply - a safer way to update iptables remotely SYNOPSIS
iptables-apply [-hV] [-t timeout] ruleset-file DESCRIPTION
iptables-apply will try to apply a new ruleset (as output by iptables-save/read by iptables-restore) to iptables, then prompt the user whether the changes are okay. If the new ruleset cut the existing connection, the user will not be able to answer affirmatively. In this case, the script rolls back to the previous ruleset after the timeout expired. The timeout can be set with -t. When called as ip6tables-apply, the script will use ip6tables-save/-restore instead. OPTIONS
-t seconds, --timeout seconds Sets the timeout after which the script will roll back to the previous ruleset. -h, --help Display usage information. -V, --version Display version information. SEE ALSO
iptables-restore(8), iptables-save(8), iptables(8). LEGALESE
iptables-apply is copyright by Martin F. Krafft. This manual page was written by Martin F. Krafft <madduck@madduck.net> Permission is granted to copy, distribute and/or modify this document under the terms of the Artistic License 2.0. 2006-06-04 iptables-apply(8)