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The '''/hfree command''' destroys a previously created hash table(s). The /hfree command destroys a previously created hash table(s). A hash table can be created via the {{mIRC|/hmake}} command.
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{{mirc title|/hfree Command}}
 
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The '''/hfree''' command destroys previously created hash table(s) along with all item/data pairs within them. A hash table can be created via the {{mIRC|/hmake}} command.
 
== Synopsis ==
 
== Synopsis ==
 
  /hfree [-sw] <nowiki><table></nowiki>
 
  /hfree [-sw] <nowiki><table></nowiki>
 
 
== Switches ==
 
== Switches ==
 
* '''-s''' - Displays debug information
 
* '''-s''' - Displays debug information
* '''-w''' - Treats <nowiki><table></nowiki> as a wildcard and deletes all matching tables.
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* '''-w''' - Treats <nowiki><table></nowiki> as a {{mirc|wildcard}} and deletes all matching tables.
 
 
 
== Parameters ==
 
== Parameters ==
 
 
* '''<nowiki><table></nowiki>''' - the table you wish to delete.
 
* '''<nowiki><table></nowiki>''' - the table you wish to delete.
 
 
== Example ==
 
== Example ==
 
<syntaxhighlight lang="mIRC">alias del_hash {
 
<syntaxhighlight lang="mIRC">alias del_hash {
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}</syntaxhighlight>
 
}</syntaxhighlight>
  
== Compatibility ==
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<source lang="mIRC">
Added: mIRC v5.8
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//hfree -s test | hfree -s test | echo -a test message
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* When not using the -w switch, trying to free a non-existent table is an error which halts execution of a script, so the echo does not display
  
Added On: 05/09/2000
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//hfree -sw test | hfree -sw test | echo -a test message
 
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* Using the -w switch allows deleting zero tables matching the wildcard, enabling the echo to display.
 
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</source>
 
 
<small>Note: Individual switches were not taken into consideration.</small>
 
  
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== Compatibility ==
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{{mIRC compatibility|5.8}}
 
== See also ==
 
== See also ==
* [[List of commands - mIRC|List of commands]]
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* {{mIRC|/hmake}}
* [[List of identifiers - mIRC|List of identifiers]]
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* {{mIRC|/hload}}
* [[$hfind identifier - mIRC|$hfind]]
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* {{mIRC|/hsave}}
* [[$hget identifier - mIRC|$hget]]
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* {{mIRC|Hash Tables}}
 
* {{mIRC|/hadd}}
 
* {{mIRC|/hadd}}
* {{mIRC|/hdec}}
 
 
* {{mIRC|/hdel}}
 
* {{mIRC|/hdel}}
 
* {{mIRC|/hinc}}
 
* {{mIRC|/hinc}}
* {{mIRC|/hload}}
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* {{mIRC|/hdec}}
* {{mIRC|/hmake}}
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* {{mIRC|$hget}}
* {{mIRC|/hsave}}
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* {{mIRC|$hfind}}
{{mIRC command list}}
 
 
 
[[Category:MIRC commands]]
 

Latest revision as of 18:29, 2 May 2023

The /hfree command destroys previously created hash table(s) along with all item/data pairs within them. A hash table can be created via the /hmake command.

Synopsis[edit]

/hfree [-sw] <table>

Switches[edit]

  • -s - Displays debug information
  • -w - Treats <table> as a wildcard and deletes all matching tables.

Parameters[edit]

  • <table> - the table you wish to delete.

Example[edit]

alias del_hash {
  ;makes the hash table 'hash'
  hmake hash
  echo -a $hget(hash) : $hget(hash).size
  ;makes the hash table 'h' with 10 buckets
  hmake h 10
  ;makes the hash table 'has' with 20 buckets
  hmake has 20
  ;deletes hash table 'hash'
  hfree -s hash
  echo -a $hget(h) : $hget(h).size - $hget(has) : $hget(has).size
  ;deletes any hash tables matching h*
  hfree -sw h*
}
//hfree -s test | hfree -s test | echo -a test message
* When not using the -w switch, trying to free a non-existent table is an error which halts execution of a script, so the echo does not display
 
//hfree -sw test | hfree -sw test | echo -a test message
* Using the -w switch allows deleting zero tables matching the wildcard, enabling the echo to display.

Compatibility[edit]

Added: mIRC v5.8
Added on: 05 Sep 2000
Note: Unless otherwise stated, this was the date of original functionality.
Further enhancements may have been made in later versions.

See also[edit]