replace comma(,) with Tab

hi all,

i have a file with commas(,). i want to replace all the commas with tab(\t).

Plz help...its urgent...

awk 'BEGIN { FS=","; OFS=" " }
{print $0}' input

sed 's/,/\t/g' filename

see if that helps.

Try tr command

echo $var | tr ',' '\t'