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Full Discussion: How to convert space&tab delimited file to CSV?
Top Forums Shell Programming and Scripting How to convert space&tab delimited file to CSV? Post 302910150 by prvnrk on Tuesday 22nd of July 2014 07:12:30 PM
Old 07-22-2014
How to convert space&tab delimited file to CSV?
Hello,

I have a text file with space and tab (mixed) delimited file and need to convert into CSV.

Code:
# cat test.txt
/dev/rmt/tsmmt32   HP        Ultrium 6-SCSI      J3LZ    50:03:08:c0:02:72:c0:b5  F00272C0B5               0/0/6/1/1.145.17.255.0.0.0   /dev/rmt/c102t0d0BEST
/dev/rmt/tsmmt37   HP        Ultrium 6-SCSI      J3LZ    50:03:08:c0:02:72:c0:97  F00272C097               0/0/6/1/1.145.17.255.4.0.0   /dev/rmt/c103t0d0BEST
/dev/rmt/tsmmt48   IBM       ULT3580-TD3         5AT0                             5458623002               0/0/6/1/1.145.0.255.8.0.0    /dev/rmt/c72t0d0BESTn
/dev/rmt/tsmmt53   IBM       ULT3580-TD3         5AT0                             5458623006               0/0/6/1/1.145.0.255.8.0.1    /dev/rmt/c72t0d1BESTn

I tried the below

Code:
sed 's/\t/ /g' test.txt |sed 's/  */ /g' |sed 's/ /,/g' >test.csv

It works but unfortunately, few fields have blank values and with above technique, values are getting shifted to left. Please advise.

Also, how to find out if a file has spaces or tabs, do I need to use an editor which shows control characters?

Thanks in advance!
 

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LEARN ABOUT LINUX

mkdevmaps

mkdevmaps(1M)                                             System Administration Commands                                             mkdevmaps(1M)

NAME

       mkdevmaps - make device_maps entries

SYNOPSIS

       /usr/sbin/mkdevmaps

DESCRIPTION

       The  mkdevmaps  command  writes  to standard out a set of device_maps(4) entries describing the system's frame buffer, audio, and removable
       media devices.

       The mkdevmaps command is used by the init.d(4) scripts to create or update the /etc/security/device_maps file.

       Entries are generated based on the device special files found in /dev. For the different  categories  of  devices,  the  mkdevmaps  command
       checks for the following files under /dev:

       audio           /dev/audio, /dev/audioctl, /dev/sound/...
       tape            /dev/rst*, /dev/nrst*, /dev/rmt/...
       floppy          /dev/diskette, /dev/fd*, /dev/rdiskette, /dev/rfd*
       removable disk  /dev/dsk/c0t?d0s?, /dev/rdsk/c0t?d0s?
       frame buffer    /dev/fb

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE         |      ATTRIBUTE VALUE        |
       +-----------------------------+-----------------------------+
       |Availability                 |SUNWcsu                      |
       +-----------------------------+-----------------------------+
       |Interface Stability          |Obsolete                     |
       +-----------------------------+-----------------------------+

SEE ALSO

       allocate(1), bsmconv(1M), attributes(5)

NOTES

       mkdevmaps might not be supported in a future release of the Solaris operating system.

SunOS 5.10                                                          8 Oct 2003                                                       mkdevmaps(1M)
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