upper
public shellscript v1 · immutableupper(){ text=$(cat) lower=($(echo {a..z})) upper=($(echo {A..Z})) for ((i=0;i<26;++i)) do text=${text//${lower[i]}/${upper[i]}} done echo "$text"}upper(){ text=$(cat) lower=($(echo {a..z})) upper=($(echo {A..Z})) for ((i=0;i<26;++i)) do text=${text//${lower[i]}/${upper[i]}} done echo "$text"}