Move or rename files matching a specified extended glob pattern. See also
zcp
andzln
. More information: https://zsh.sourceforge.net/Doc/Release/User-Contributions.html.
zmv '(*).log' '$1.txt'
zmv -n '(*).log' '$1.txt'
zmv -i '(*).log' '$1.txt'
zmv -v '(*).log' '$1.txt'