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How import $COLUMNS from set into script

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# 1  
Old 06-02-2009
How import $COLUMNS from set into script
im trying to do this inside a bash script;

for ((a=$COLUMNS;a>0;a--))
do
printf "="
done
printf "\n"

With it i want to display an "equals" line as long as de curent shell window.
but i can't get the $COLUMNS variable from the set enviroment.

Some help please.
Last edited by Tártaro; 06-02-2009 at 06:10 PM..
# 2  
Old 06-02-2009
try this:

xyz=`echo $COLUMNS`
for ((a=$xyz;a>0;a--))
do
printf "="
printf "\n"
done
# 3  
Old 06-02-2009
Thanks but this dosen't work.The problem is i can't get $COLUMNS from the enviroment.

-----Post Update-----

i found myself the solution;

for ((a=$(tput cols);a>0;a--))
do
printf "="
done
printf "\n"

bye
Last edited by Tártaro; 06-02-2009 at 06:09 PM..
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