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File::CheckTree(3) - validate - run many filetest checks on a tree - man 3 File::CheckTree

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File::CheckTree(3)     Perl Programmers Reference Guide     File::CheckTree(3)



NAME
       validate - run many filetest checks on a tree

SYNOPSIS
           use File::CheckTree;

           $num_warnings = validate( q{
               /vmunix                 -e || die
               /boot                   -e || die
               /bin                    cd
                   csh                 -ex
                   csh                 !-ug
                   sh                  -ex
                   sh                  !-ug
               /usr                    -d || warn "What happened to $file(1,n)?\n"
           });

DESCRIPTION
       The validate() routine takes a single multiline string(3,n) consisting of
       directives, each containing a filename plus a file(1,n) test to try on it.
       (The file(1,n) test may also be a "cd", causing subsequent relative file-
       names to be interpreted relative to that directory.)  After the file(1,n)
       test you may put "|| die" to make it a fatal error(8,n) if(3,n) the file(1,n) test
       fails.  The default is "|| warn".  The file(1,n) test may optionally have a
       "!' prepended to test for the opposite condition.  If you do a cd and
       then list some relative filenames, you may want to indent them slightly
       for readability.  If you supply your own die() or warn() message, you
       can use $file(1,n) to interpolate the filename.

       Filetests may be bunched:  "-rwx" tests for all of "-r", "-w", and
       "-x".  Only the first failed test of the bunch will produce a warning.

       The routine returns the number of warnings issued.

AUTHOR
       File::CheckTree was derived from lib/validate.pl which was written by
       Larry Wall.  Revised by Paul Grassie <grassie@perl.com> in(1,8) 2002.

HISTORY
       File::CheckTree used to not display fatal error(8,n) messages.  It used to
       count only those warnings produced by a generic "|| warn" (and not
       those in(1,8) which the user supplied the message).  In addition, the vali-
       date() routine would leave the user program in(1,8) whatever directory was
       last entered through the use of "cd" directives.  These bugs were fixed
       during the development of perl 5.8.  The first fixed version(1,3,5) of
       File::CheckTree was 4.2.



perl v5.8.5                       2001-09-21                File::CheckTree(3)

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