Creating table in Unix Post: 302357942

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Top Forums Shell Programming and Scripting Creating table in Unix Post 302357942 by Scott on Thursday 1st of October 2009 03:26:40 AM

10-01-2009

Administrator Emeritus

You can use awk to rearange the fields from an ls command and add some logic to determine the type of file.

For example:

Code:

ls -al | awk '
  /^total/ { next }
  {
    TYPE = "regular file"
    if ($1 ~ /^d/)
      TYPE = "directory"
    else if ($NF ~ /^\./)
      TYPE = "hidden file"
    else if ($1 ~ /^b/)
      TYPE = "block device"
    else if ($1 ~ /^p/)
      TYPE = "pipe"
 
    printf( "%-30s %14s %10d %s\n",  $NF, $1, $5, TYPE)
  }
'
.                                  drwxr-xr-x       4096 directory
..                                 drwxr-xr-x       4096 directory
file1                              -rw-r--r--        141 regular file
file2                              -rw-r--r--         30 regular file
my_logfile                         -rw-r--r--          6 regular file
myPipe                             prw-r--r--          0 pipe
T                                  -rwx------        185 regular file
tmp                                drwxr-xr-x       4096 directory
tmp2                               drwxr-xr-x       4096 directory
.x                                 -rw-r--r--          0 hidden file
Y                                  -rwx------        321 regular file

Which OS / Shell are you using? It's not clear from your permission fields how you determine what's what. (i.e. a file with ---------- does not respresent a hidden file)

Last edited by Scott; 10-01-2009 at 07:54 AM.. Reason: fixed paste error: closing apostrophie in the wrong place

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LEARN ABOUT OSF1

cdsuf

cdsuf(1)						      General Commands Manual							  cdsuf(1)

NAME

       cdsuf - read the System Use Fields from a System Use Area

SYNOPSIS

       cdsuf [-s number] [-b] file

OPTIONS

       The following options are available: Specifies the File Section for the System Use Area to be read.  The numbering starts with one. If this
       option is omitted the last File Section of that file is assumed.  Copies all of the System Use Fields of the System Use Area from  the  CD-
       ROM to standard output in binary format.  The name of any file or directory within the CD-ROM file hierarchy.

DESCRIPTION

       This command is used to access the System Use Fields of the System Use Area associated with a File Section of a file or directory on a Rock
       Ridge formatted CD-ROM and to list its contents on standard output, following any Continuation Fields that may be present.

       The output is formatted in the form of a table that contains an entry for each System Use Field in the System Use Area as recorded  on  the
       CD-ROM.	 Each  table  entry has the fields Signature, Length, Version, and Data as specified in the System Use Sharing Protocol. If the -b
       option is used, the contents of the full System Use Area are written to standard output in binary format as it is recorded on the CD-ROM.

RESTRICTIONS

       The user must have read permission for file to execute the command successfully.

EXIT STATUS

       The following exit values are returned: Successful completion.  File not found, file is not a file or directory within a CD-ROM file  hier-
       archy, or access denied.  File Section indicated by -s does not exist.  File Section indicated by -s has no System Use Area.

SEE ALSO

       cd_suf(3)

																	  cdsuf(1)