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Help with awk printout

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# 1  
Old 11-03-2008
Help with awk printout
I want to represent the columns by whats in a txt file. So the columns.txt file contains "$2$3" and the test.txt file contains "bob tom jones jon"

I have
Code:
#!/bin/bash

columnsVar=`cat columns.txt`
echo "Columns edited: $columnsVar"

awk ' {print $columnsVar }' test.txt

But it prints out all the columns.

Also, something like this just gives me an error

Code:
awk ' {print `cat columns.txt` }'

Any suggestions?
# 2  
Old 11-03-2008
I could suggest a solution using cut. If you change the file columns.txt to look something like "2,3", or if the format is fixed you could consider reformating "$2$3" to "2,3".

so then

> echo "columnsVar"
2,3

> cut -d' ' -f$columnsVar test.txt
tom jones

I hope this is what you're looking for...
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