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tab delimited file to commas

 
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Old 07-26-2004
tab delimited file to commas
Hi there

Just wondered if someone could help me out

I have a file that has been delimited by tabs, ie

field1<tab>fiield2<tab>field3

Does anybody know a command that will convert tabs to commas throughout the entire file?

Note: there are a number of unpopulated fields in the file so after the conversion I would expect to see ,,,,,, in place of the <tab><tab><tab><tab><tab> as it is currently

any help on this would be greatly appreciated
 
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LEARN ABOUT PLAN9

expand

EXPAND(1)							   User Commands							 EXPAND(1)

NAME

       expand - convert tabs to spaces

SYNOPSIS

       expand [OPTION]... [FILE]...

DESCRIPTION

       Convert tabs in each FILE to spaces, writing to standard output.

       With no FILE, or when FILE is -, read standard input.

       Mandatory arguments to long options are mandatory for short options too.

       -i, --initial
	      do not convert tabs after non blanks

       -t, --tabs=N
	      have tabs N characters apart, not 8

       -t, --tabs=LIST
	      use  comma  separated  list of tab positions The last specified position can be prefixed with '/' to specify a tab size to use after
	      the last explicitly specified tab stop.  Also a prefix of '+' can be used to align remaining tab stops relative to the  last  speci-
	      fied tab stop instead of the first column

       --help display this help and exit

       --version
	      output version information and exit

AUTHOR

       Written by David MacKenzie.

REPORTING BUGS

       GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
       Report expand translation bugs to <http://translationproject.org/team/>

COPYRIGHT

       Copyright (C) 2017 Free Software Foundation, Inc.  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.

SEE ALSO

       unexpand(1)

       Full documentation at: <http://www.gnu.org/software/coreutils/expand>
       or available locally via: info '(coreutils) expand invocation'

GNU coreutils 8.28						   January 2018 							 EXPAND(1)