Beginning Perl Programming by William “Bo” Rothwell

Author:William “Bo” Rothwell
Language: eng
Format: epub
ISBN: 9781484250556
Publisher: Apress

File Test Conditions

File testing is the process of determining the “status” of a file. The most common file tests are listed here.File test

Meaning

-r

Returns “true” if the file is readable by the user who is running the Perl script

-w

Returns “true” if the file is writeable by the user

-x

Returns “true” if the file is executable by the user

-o

Returns “true” if the file is owned by the user

-e

Returns “true” if the file exists

-z

Returns “true” if the file exists and is empty

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