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Old

If condition "if condition ... if condition"

Posted 08-28-2010 at 06:26 PM by the dsc (linux-related notes)
Updated 08-28-2010 at 06:28 PM by the dsc

If you want to have a script that would do something if either one of two consequences is true, a simple way to do that would be:

Code:
if [ condition 1 ] || [ condition 2 ] ; then
if [ condition 1 ] ; then
consequences for condition 1
fi
if [ condition 2 ] ; then
consequences for condition 2
fi
consequences of either one, but happens only once, not twice
fi
...
You check if either one is true, when "||"...
Member
Posted in Uncategorized
Views 719 Comments 0 the dsc is offline
Old
Rating: 2 votes, 4.00 average.

Batch-fixing symlink targets

Posted 08-28-2010 at 06:08 PM by the dsc (linux-related notes)
Tags batch, symlink

Sometimes you move the folder to which lots of symlinks were pointing, or something to that effect, and you want to simply "edit" these symlinks rather than recreating them pointing the correct new location. That's how it can be done with one line:

Code:
find /place-where-the-null-symlinks are/ -type l | while read nullsymlink ; 
do wrongpath=$(readlink "$nullsymlink") ; 
right=$(echo "$wrongpath" | sed s'|/whatever/is/the/old-wrong/path|/correct-new/path|')
...
Member
Posted in Uncategorized
Views 4460 Comments 1 the dsc is offline
Old

Chromium OS ARM and x86 build scripts

Posted 08-28-2010 at 02:33 PM by Kenny_Strawn (Kenny the one-teen comittee to stamp out Proprietary $uckware)
Updated 09-06-2010 at 11:09 PM by Kenny_Strawn

http://public.bay.livefilestore.com/...ownload&psid=1

http://public.bay.livefilestore.com/...ownload&psid=1

The former link automatically builds Chromium OS for an ARM build target, as in automatically executing the other build scripts that are...
Senior Member
Posted in Uncategorized
Views 4425 Comments 1 Kenny_Strawn is offline
Old

MEGAkill - the process anihilator

Posted 08-28-2010 at 02:52 AM by William (Dthdealer) (Whaling the FOSS)
Updated 08-28-2010 at 03:05 AM by William (Dthdealer) (Spelling error - captial > capital)

I'm always fed up when I have to grep through ps -A output or stare at top for ages, trying to find the name or pid of a hung process. Finally today I decided to end my woes with this shell script:

Description
MEGAkill is a shell script that automates the locating of processes by their name before asking the user if they want to kill them.

Usage: megakill keywordofprocess [ signal to send ]

The script greps the output of ps -A and then checks...
Member
Views 753 Comments 3 William (Dthdealer) is offline
Old

My real blog : http://blog.milkme.co.uk

Posted 08-27-2010 at 01:05 PM by djsmiley2k

All my "real" blog entries can be found on http://blog.milkme.co.uk, however I may post Linux related blog posts here too.
Member
Posted in Uncategorized
Views 530 Comments 0 djsmiley2k is offline

  



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