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Full Discussion: Accessing redirected file inside script
Top Forums UNIX for Dummies Questions & Answers Accessing redirected file inside script Post 302105499 by sb008 on Friday 2nd of February 2007 06:13:19 AM
Old 02-02-2007
Quote:
Originally Posted by milhan
thanks a lot, but the file that is being redirected isn't recorded in my output file. The system I am using is SunOS 5.8. I tried it on Linux too, but linux didn't recognize the pfiles command at all. Here's my output when I run the 2 lines script on SunOS 5.8:
Code:
server:bash:/var/tmp > ./redirect.sh > out.dump
server:bash:/var/tmp > cat out.dump
4883:   /usr/bin/ksh ./redirect.sh
  Current rlimit: 256 file descriptors
   0: S_IFCHR mode:0600 dev:224,0 ino:132378 uid:4405 gid:7 rdev:24,4
      O_RDWR|O_LARGEFILE
   1: S_IFREG mode:0600 dev:224,5 ino:156220 uid:4405 gid:206 size:0
      O_WRONLY|O_LARGEFILE
   2: S_IFCHR mode:0600 dev:224,0 ino:132378 uid:4405 gid:7 rdev:24,4
      O_RDWR|O_LARGEFILE
  62: S_IFREG mode:0700 dev:224,5 ino:156219 uid:4405 gid:206 size:26
      O_RDONLY|O_LARGEFILE FD_CLOEXEC

server:bash:/var/tmp > cat ./redirect.sh
#!/usr/bin/ksh

pfiles $$

isn't there another way?

On Solaris 8 the output of pfiles is a bit limited. But still it can be done

You redirected stdout, so FD 1 (File Descriotor 1)

1: S_IFREG mode:0600 dev:224,5 ino:156220 uid:4405 gid:206 size:0
O_WRONLY|O_LARGEFILE

The line shows that FD 1 is related to inode number 156220 which happens to be the inode number for "out.dump"

If you know the exact location (directory) of the file you reirect to you can find out, based on the combination of the output of the commands "pfiles" and "ls -i <dir>", what the name is of the file where your output is directed to.

If you don't know the exact location but at least the the filesystem where to file is located, you can use:
find <root of filesystem> -inum <inode numver as reported by pfiles>

If you have no clue at all wherre the file is located you could use:
find / -inum <inode numver as reported by pfiles>

However in this last scenario more then 1 file could pop up, because on each filesystem there could be a file present with that inode number
 

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LEARN ABOUT DEBIAN

xfs_ncheck

xfs_ncheck(8)						      System Manager's Manual						     xfs_ncheck(8)

NAME

       xfs_ncheck - generate pathnames from i-numbers for XFS

SYNOPSIS

       xfs_ncheck [ -i ino ] ... [ -f ] [ -s ] [ -l logdev ] device

DESCRIPTION

       xfs_ncheck  with no -i arguments generates an inode number and pathname list of all files on the given filesystem. Names of directory files
       are followed by /..  The output is not sorted in any particular order.  The filesystem to be examined is specified by the device  argument,
       which should be the disk or volume device for the filesystem.  Filesystems stored in files can also be checked, using the -f flag.

OPTIONS

       -f	Specifies  that the filesystem image to be processed is stored in a regular file at device (see the mkfs.xfs -d file option). This
		might happen if an image copy of a filesystem has been made into an ordinary file.

       -l logdev
		Specifies the device where the filesystem's external log resides.  Only for those filesystems which use an external log.  See  the
		mkfs.xfs -l option, and refer to xfs(5) for a detailed description of the XFS log.

       -s	Limits	the  report to special files and files with setuserid mode.  This option may be used to detect violations of security pol-
		icy.

       -i ino	Limits the report to only those files whose inode numbers follow.  May be given multiple times to select multiple inode numbers.

       If the filesystem is seriously corrupted, or very busy and looks like it is corrupt, a message of the  form  that  would  be  generated	by
       xfs_check(8) may appear.

       xfs_ncheck is only useful with XFS filesystems.

SEE ALSO

       mkfs.xfs(8), xfs_check(8), xfs(5).

																     xfs_ncheck(8)
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