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Editorial Team
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Asked: 2026-05-14T14:13:21+00:00

I try to convert clean columnwise data to tables in tex. I am unable

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I try to convert clean columnwise data to tables in tex. I am unable to have “\ \n” at each end of line. Please, see the command at the end.

Data

$ . ./bin/addTableTexTags.sh < .data_3
10.31 & 8.50 & 7.40 
 10.34 & 8.53 & 7.81 
 8.22 & 8.62 & 7.78 
 10.16 & 8.53 & 7.44 
 10.41 & 8.38 & 7.63 
 10.38 & 8.57 & 8.03 
 10.13 & 8.66 & 7.41 
 8.50 & 8.60 & 7.15 
 10.41 & 8.63 & 7.21 
 8.53 & 8.53 & 7.12 

$ cat .data_3 
10.31 8.50 7.40
10.34 8.53 7.81
8.22 8.62 7.78
10.16 8.53 7.44
10.41 8.38 7.63
10.38 8.57 8.03
10.13 8.66 7.41
8.50 8.60 7.15
10.41 8.63 7.21
8.53 8.53 7.12

addTableTexTags.sh 

#!/bin/bash

sed -e "s@[[:space:]]@\t\&\t@g" -e "s@[[:space:]]*&*[[:space:]]*\$@\t \\  \\\\n@g" 
 // Tried Escaping "\\" with "/" here and there 
 // but cannot get a line ending with "\\ \n".
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1 Answer

  1. Editorial Team

    here’s a simpler way without too much regex. Just set the output field separator (OFS).

    $ awk '{$1=$1}1' OFS=" & " file
10.31 & 8.50 & 7.40
10.34 & 8.53 & 7.81
8.22 & 8.62 & 7.78
10.16 & 8.53 & 7.44
10.41 & 8.38 & 7.63
10.38 & 8.57 & 8.03
10.13 & 8.66 & 7.41
8.50 & 8.60 & 7.15
10.41 & 8.63 & 7.21
8.53 & 8.53 & 7.12

    the equivalent of this: awk '{$1=$1}1' OFS=" & " .data | sed -e 's@$@\\\\@g' that you have is. 

    awk '{$1=$1;$0=$0"\\\\"}1' OFS=" & " file

    when you use awk, there’s no need to use sed.

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