variable inside awk '{print $c}' - Shell Programming and Scripting

Tártaro · #1 (**permalink**) 04-13-2007

i'm trying to do this (in bash darwin);

echo "give me some words: "
read a
c=2 # this is get by other ways
echo $a | awk '{print $c}' # i want to print the column given
# by de $c variable

if there is someone understand what i pretend and see what im doing wrong, please help me.thanks

anbu23 · #2 (**permalink**) 04-13-2007

Code:

echo $a | awk -v c=$c '{print $c}'

or

Code:

echo $a | awk '{print $'$c'}'

radoulov · #3 (**permalink**) 04-13-2007

Code:

awk 'BEGIN { print "Give me some words (Ctrl+C to exit):" }
{ print $c; next }' c=2

Tártaro · #4 (**permalink**) 04-13-2007

thank you man.it works perfectly.

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