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Help with combining the ls and 'file' commands


 
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# 1  
Old 07-15-2011
Help with combining the ls and 'file' commands

I have a directory of 3000 files without extensions (Solaris 5.10).

I would like to iterate the file names through the 'file' command and output their mime types (most are pdf or jpg, but a very few might be psd or swf which show simply as 'data')

So, I would like the output of the 'ls' command to become the input of the
'file -f' command, but cannot get them to work together with redirection or piping. I'll probably need a script of some sort.

I can output the results of the ls command to a file, but then I need to have the file command read the contents (line by line) of the file.

Ideally, the script would also rename the file with the proper extension (.pdf, .jpg, .gif, .htm) if it recognizes it.

---------- Post updated at 01:44 PM ---------- Previous update was at 01:31 PM ----------

Code:
ls > dir.txt
file -f dir.txt > fileinfo.txt

# 2  
Old 07-15-2011
Lose the -f and feed the output xargs:
Code:
 
ls | xargs file  > outputfile

or
Code:
file *   > outputfile

This User Gave Thanks to jim mcnamara For This Post:
# 3  
Old 07-18-2011
Quote:
Originally Posted by jim mcnamara
Lose the -f and feed the output xargs:
Code:
 
ls | xargs file  > outputfile

or
Code:
file *   > outputfile

Thanks, Jim. Option 2 worked a treat!
 

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