String conditions
| Condition | Description |
|---|---|
[[ -z STR ]] | Empty string |
[[ -n STR ]] | Not empty string |
[[ STR == STR ]] | Equal |
[[ STR = STR ]] | Equal (Same above) |
[[ STR < STR ]] | Less than (ASCII) |
[[ STR > STR ]] | Greater than (ASCII) |
[[ STR != STR ]] | Not Equal |
[[ STR =~ STR ]] | Regexp |
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