Using any file in folder as command input

Linnnnn · #1 02-08-2012

Hi all,

I have a command I need to run on a large number of folders. It needs only one input, namely one of the 150 files in the folder (doesn't matter which one):

Code:

command filename

joeyg · #2 02-08-2012

Well,

Code:

ls -1 | head -1

Linnnnn · #3 02-08-2012

That sounds good, but how do I now input the output of this to a new command? I can only input the name of the file to the command (it is a custom-made medical imaging command)...

joeyg · #4 02-08-2012

You can do it directly with one of the following two commands. depending on your unix flavor, one or both may work.

Code:

ls -l `ls -1 | head -1`
ls -l $(ls -1 | head -1)

Linnnnn · #5 02-08-2012

Thanks for the reply again. I still cannot get it to work (I'm using tcsh by the way). Why do you add another ls -1?

I tried this:

Code:

set foo = $(ls -1 | head -1)
echo $foo

joeyg · #6 02-08-2012

Code:

ls -l `ls -1 | head -1`

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The Following User Says Thank You to joeyg For This Useful Post:
Linnnnn (02-08-2012)