Ref http://ubuntudaily.net/archives/15
Enhanced version
Enhanced version
trim()
{
trimmed=$1
trimmed=${trimmed%%\s*}
trimmed=${trimmed##\s*}
echo "$trimmed"
}
var=" a bc "
var=$(trim $var)
{
trimmed=$1
trimmed=${trimmed%%\s*}
trimmed=${trimmed##\s*}
echo "$trimmed"
}
var=" a bc "
var=$(trim $var)