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command for converting 4 column data to 1 column

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Top Forums Shell Programming and Scripting command for converting 4 column data to 1 column
# 1  
Old 12-11-2011
command for converting 4 column data to 1 column
dear friends I want to convert four column data to one column data. For example:

from
Code:
1, 2, 3, 4
5, 6, 7, 8

to
Code:
1
2
3
4
5
6
7
8

what is the general command for that type of convertion.

thanks
Last edited by zxmaus; 12-11-2011 at 11:50 PM.. Reason: added tags
# 2  
Old 12-11-2011
Code:
sed 's/, /\n/g' file

This User Gave Thanks to bartus11 For This Post:
rpf
# 3  
Old 12-11-2011
Code:
tr ',' '\n' < filename

Last edited by zxmaus; 12-11-2011 at 11:49 PM.. Reason: added code tags
This User Gave Thanks to tarun_agrawal For This Post:
rpf
# 4  
Old 12-12-2011
Try this
Code:
cat file.txt |tr  ',' '\n' | tr -d ' '

This User Gave Thanks to palanisvr For This Post:
rpf
# 5  
Old 12-12-2011
Or even (getting rid of the space characters first):
Code:
sed -e "s/ //g" filename | tr ',' '\n'

# 6  
Old 12-12-2011
The Perl way Smilie

Code:
perl -pe 's/, /\n/g' filename

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