UNIX for Advanced & Expert Users

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$ awk '{for(j=1;j<=NF;j++){ $j=toupper(substr($j,1,1)) substr($j,2) }}1' file

sed -e "s/\b\(.\)/\u\1/g" file

sed 's/\b./\u&/g' file

sed 's/\<./X\u&/g' file

awk '
function getstring(var) {
num=toupper(substr($var,1,1)) substr($var,2);
print num
}
{for(i=1;i<=NF;i++){
getstring(i);
{if(i==NF-1)
ORS="\n"
else
ORS=" "}
}
}' ORS=" " filename

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