$ shopt -s extglob
$ rm -fr !(*.zip)
info "(bash) Pattern Matching"
If the extglob shell option is enabled using the shopt builtin, several extended pattern matching opera‐
tors are recognized. In the following description, a pattern-list is a list of one or more patterns sep‐
arated by a |. Composite patterns may be formed using one or more of the following sub-patterns:
?(pattern-list)
Matches zero or one occurrence of the given patterns
*(pattern-list)
Matches zero or more occurrences of the given patterns
+(pattern-list)
Matches one or more occurrences of the given patterns
@(pattern-list)
Matches one of the given patterns
!(pattern-list)
Matches anything except one of the given patterns