W3cubDocs

/Fish 3.1

string-upper - convert strings to uppercase

Synopsis

string upper [(-q | --quiet)] [STRING...]

Description

string upper converts each string argument to uppercase. Exit status: 0 if at least one string was converted to uppercase, else 1. This means that in conjunction with the -q flag you can readily test whether a string is already uppercase.

© 2019 fish-shell developers
Licensed under the GNU General Public License, version 2.
https://fishshell.com/docs/3.1/cmds/string-upper.html