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(sh-utils.info)File characteristics tests

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Enter node , (file) or (file)node

File characteristics tests
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   These options test other file characteristics.

`-e FILE'
     True if FILE exists.

`-s FILE'
     True if FILE exists and has a size greater than zero.

`FILE1 -nt FILE2'
     True if FILE1 is newer (according to modification date) than FILE2.

`FILE1 -ot FILE2'
     True if FILE1 is older (according to modification date) than FILE2.

`FILE1 -ef FILE2'
     True if FILE1 and FILE2 have the same device and inode numbers,
     i.e., if they are hard links to each other.