Difference between revisions of "$exists"

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m (dimdim)
 
m ($exists + $isfile + $isdir)
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$exists(file/dir)
+
'''$isfile(file) / $isdir(directory) / $exists(file/directory)'''
  
Returns $true if a file or dir exists and $false if it doesn't.
+
Returns informations on whether or not a file/directory exists.
$exists(c:\mirc\mirc.exe)  returns $true or $false.
+
 
 +
$isfile($mircdir $+ mirc.ini) // returns $true (is a file)
 +
$isfile($mircdir)            // returns $false (is a directory)
 +
$isdir($mircdir $+ mirc.ini)  // returns $false (is a file)
 +
$isdir($mircdir)              // returns $true (is a directory)
 +
$exists($mircdir $+ mirc.ini) // returns $true (is a file)
 +
  $exists($mircdir)            // returns $true (is a directory)
 +
 
 +
== Examples ==
 +
 
 +
$isfile
 +
alias file_exists {
 +
  if ($isfile($1)) { return file exists! }
 +
  else { return file doesn't exist }
 +
}
 +
 
 +
$isdir
 +
alias dir_exists {
 +
  if ($isdir($1)) { return directory exists! }
 +
  else { return directory doesn't exist }
 +
}
 +
 
 +
$exists
 +
alias file_dir_exists {
 +
  if ($exists($1)) { return file/directory exists! }
 +
  else { return file/directory doesn't exist }
 +
}
 +
 
 +
[[Category:File and Directory Identifiers]]

Revision as of 10:25, 18 May 2007

$isfile(file) / $isdir(directory) / $exists(file/directory)

Returns informations on whether or not a file/directory exists.

$isfile($mircdir $+ mirc.ini) // returns $true (is a file)
$isfile($mircdir)             // returns $false (is a directory)
$isdir($mircdir $+ mirc.ini)  // returns $false (is a file)
$isdir($mircdir)              // returns $true (is a directory)
$exists($mircdir $+ mirc.ini) // returns $true (is a file)
$exists($mircdir)             // returns $true (is a directory)

Examples

$isfile

alias file_exists {
  if ($isfile($1)) { return file exists! } 
  else { return file doesn't exist }
}

$isdir

alias dir_exists {
  if ($isdir($1)) { return directory exists! } 
  else { return directory doesn't exist }
}

$exists

alias file_dir_exists {
  if ($exists($1)) { return file/directory exists! } 
  else { return file/directory doesn't exist }
}