`! EXPRESSION` - The EXPRESSION is false.

`-n STRING` - The length of STRING is greater than zero.

`-z STRING` - The length of STRING is zero (i.e. it is empty).

`STRING1 = STRING2` - STRING1 is equal to STRING2

`STRING1 != STRING2` - STRING1 is not equal to STRING2

`INT1 -eq INT2` - INT1 is numerically equal to INT2

`INT1 -gt INT2` - INT1 is numerically greater than INT2

`INT1 -lt INT2` - INT1 is numerically less than INT2

`-d FILE` - FILE exists and is a directory.

`-e FILE` - FILE exists.

Опубликовано в https://t.me/gitgate