find command listing Post: 302722953

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Top Forums Shell Programming and Scripting find command listing Post 302722953 by ajayram on Monday 29th of October 2012 05:28:43 AM

10-29-2012

Registered User

ls -lf is correct

Hello,

I tried ls -lf on a subdirectory of the main directory Music,. and got a huge list of files in 3 columns

Code:

ajayram@pc13:/media/HITACHI/Music/Hindi Music$ ls -lf
...
Abhijeet Sawant/                                                 Piya Haji Ali-Nusrat Fateh Ali Khan.WAV                    Rang De Basanti/
Agnee/                                                           AlbumArt_{95109B16-8980-425B-9D75-7C1BD9569130}_Small.jpg  Rangeela/
Aisha/                                                           AlbumArt_{ADAE49DB-6396-4F0A-86E3-79DF94F56DAF}_Large.jpg  Refugee/
I hate love stories/                                             AlbumArt_{ADAE49DB-6396-4F0A-86E3-79DF94F56DAF}_Small.jpg  Rock on/
Instant Karma/                                                   AlbumArt_{D4826E15-A4F0-4E8C-8448-2C5DB13E3C86}_Large.jpg  Saajan/
Jaan Leva.WAV                                                    AlbumArt_{D4826E15-A4F0-4E8C-8448-2C5DB13E3C86}_Small.jpg  Saawariya/
...

The output is in unsorted order.

I then scanned the output for .WAV files ie reading Column 1 from top to bottom, then Column 2 and then Column 3 and it gives the same output as this find command run on the top level directory ..

Code:

ajayram@pc13:/media/HITACHI/Music$ find -name *.WAV

So does the find command work like this ? It takes the input directory and goes through all sub directories and executes

Code:

 ls -lf

and filters from that the files of the required type ( here in this case *.WAV)

However, I have another doubt, when I ran the find command on the top level Music Directory, the Music Directory had no *.WAV files in it , but only in the directories beneath it, thus it gave the desired output,. I expected a similar output when I go to the Hindi Music Directory, I thought that find would give me all the *.WAV files in that directory and directories beneath it.

But it just returns one line of the output and throws up and error !

Code:

ajayram@pc13:/media/HITACHI/Music/Hindi Music$ find -name *.WAV 
find: paths must precede expression: Baazigar Title Track.WAV
Usage: find [-H] [-L] [-P] [-Olevel] [-D help|tree|search|stat|rates|opt|exec] [path...] [expression]

could someone please clarify this ?

ajayram

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openvt

OPENVT(1)							     Linux 1.x								 OPENVT(1)

NAME

       openvt - start a program on a new virtual terminal (VT).

SYNOPSIS

       openvt [-c vtnumber] [-s] [-u] [-l] [-v] [--] command command_options

DESCRIPTION

       openvt  will  find the first available VT, and run on it the given command with the given command options, standard input, output and error
       are directed to that terminal. The current search path ($PATH) is used to find the requested command. If no command is specified  then  the
       environment variable $SHELL is used.

   OPTIONS
       -c vtnumber
	      Use the given VT number and not the first available. Note you must have write access to the supplied VT for this to work.

       -e     Directly execute the given command, without forking.  This option is meant for use in /etc/inittab.

       -s     Switch to the new VT when starting the command. The VT of the new command will be made the new current VT.

       -u     Figure out the owner of the current VT, and run login as that user.  Suitable to be called by init. Shouldn't be used with -c or -l.

       -l     Make the command a login shell. A - is prepended to the name of the command to be executed.

       -v     Be a bit more verbose.

       -w     wait  for command to complete. If -w and -s are used together then openvt will switch back to the controlling terminal when the com-
	      mand completes.

       --     end of options to openvt.

NOTE

       If openvt is compiled with a POSIX (GNU) getopt() and you wish to set options to the command to be run, then you must  supply  the  end	of
       options -- flag before the command.

EXAMPLES

       openvt can be used to start a shell on the next free VT, by using the command:

       openvt bash

       To start the shell as a login shell, use:

       openvt -l bash

       To get a long listing you must supply the -- separator:

       openvt -- ls -l

HISTORY

       Earlier, openvt was called open.  It was written by Jon Tombs <jon@gtex02.us.es or jon@robots.ox.ac.uk>.  The -w idea is from "sam".

SEE ALSO

       chvt(1), doshell(8), login(1)

19 Jul 1996							       V1.4								 OPENVT(1)

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