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Old 03-08-2004, 11:15 AM   #1
teeno
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Filer out binaries


Hi All,

This is probably the easiest question every. But here goes...

If the I have a directory the contains .c .o and binaries how do I filter out the .c .o files so that I can see only the binaries (they have on extension)

I can do:
Code:
ls *.c
To see just the .c files and the same to get just the .o files or even .? to get both the .c and .o

I also need to copy just the binaries to a different directory. How can I do this using the cp command?

The DOS commands would be:
Code:
dir *.exe
copy *.exe c:\temp
Thank you,

Pete
 
Old 03-08-2004, 11:18 AM   #2
gregaryh
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Same goes for Linux:

cp *.c /new/dir
 
Old 03-08-2004, 11:34 AM   #3
teeno
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Yes but the binaries don't have an extension.

eg.

file.c
file.o
file (no extension)
 
Old 03-09-2004, 05:34 AM   #4
teeno
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Should I conclude that this can't be done?
 
Old 03-09-2004, 06:09 AM   #5
hw-tph
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Code:
for file in *
do
	if [ -x "$file" ]
	then
		echo "$file is executable"
	fi
done
You could replace the echo with whatever you want - like a move command:
Code:
for file in *
do
	if [ -x "$file" ]
	then
		mv "$file" ~/tmp
	fi
done
To use this on the command line (without putting it in a script) you would have to use semicolons to break the lines: for file in *; do if [ -x "$file" ]; then echo "$file is executable"; fi; done

This requires the executables to be executable by the user the script runs as, since that's what the -x bash test relies on.


Håkan
 
Old 03-09-2004, 06:11 AM   #6
slakmagik
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Rather than trying to mess with the names, and going on the principle that they're executable and nothing else but directories are, this might work. No guarantees, but I tested it briefly and it seemed okay. Though once a couple of my files disappeared - think it was just a typo when I changed the destination.

Code:
for f in `ls .`; do if [ -x $f -a \! -d $f ]; then mv $f /target_dir/; fi; done
Gotta be an easier way that I'm just going braindead on. But there are strange limitations in 'ls' and the 'mv', 'cp', etc. commands.
 
Old 03-09-2004, 06:12 AM   #7
hw-tph
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I beat ya to it but you beat me on the directories.
I really should have thought of that.


Håkan
 
Old 03-09-2004, 06:15 AM   #8
slakmagik
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Yeah - I'm just relieved to see a similar approach. Seems like there ought to be a more direct way.
 
Old 03-09-2004, 06:15 AM   #9
teeno
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Ok. Thanks for your help.

I think I will just copy all the files and delete the .c and .o files using rm *.c


Thanks
Peter
 
  


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