grep and exact matches help..

Thrall, Bryan bryan.thrall@flightsafety.com
Tue Apr 3 22:20:00 GMT 2007


Gary Johnson wrote on Tuesday, April 03, 2007 5:05 PM:
> On 2007-04-03, Dave Korn wrote:
> 
>>   BTW2, I assume we're still talking about your script from before.
>> Seriously, use "ls -1" rather than "ls -l" (that is, use a one
>> instead of an L), because then you get /just/ the filenames, one per
>> line, and won't have to worry about parsing the name out from
>> amongst all those permission flags and datestamps.
> 
> On 2007-04-03, Peter Rehley wrote:
> 
>> Here is one possible solution
>> 
>> ls -1a | grep winops | grep -v winops-hp
>> 
>> or maybe this
>> 
>> ls -1a | sed -e '/winops-hq/d'
> 
> If you're piping 'ls' into another command, the -1 isn't necessary.
> 'ls' detects that its stdout is not a tty and delivers single-column
> output automatically.

Not when you use 'ls -l':

thrall@PC1163-8413-XP /tmp/thrall/foo
$ ls | cat
bar
baz
thrall@PC1163-8413-XP /tmp/thrall/foo
$ ls -l | cat
total 0
-rw-r--r--  1 thrall FSUsers 0 Apr  3 17:19 bar
-rw-r--r--  1 thrall FSUsers 0 Apr  3 17:19 baz
thrall@PC1163-8413-XP /tmp/thrall/foo
$ ls -1 | cat
bar
baz

-- 
Bryan Thrall
FlightSafety International
Bryan.Thrall@flightsafety.com

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