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Re: [amibroker] AFL brackets and parentheses



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Hello,
 
When you download and then start mailing list 
archive (<A 
href="">http://www.amibroker.com/listarchive.html)
the following page appears, including all 
necessary instructions to search it efficiently.
 
 


  
  
    
      AmiBroker 
      mailing list archive collection
Thank you for downloading AmiBroker mailing list archive.
This mailing list collection includes all messages posted to AmiBroker 
mailing list in the period 1998-2003 (updated upto March).
(You need to have 5 mailing list archives downloaded and present in the same 
directory to use this collection)
You can either read the archive by browsing list of messages or using quick 
full-text search. The later method is advised when you want to find relevant 
information quickly. Below you will find instructions on using full-text search 
feature.
Thank you.
Tomasz Janeczkoamibroker.com


Finding Information with Full-Text Search
A basic search of topics consists of the word or phrase you want to find. You 
can use wildcard expressions, nested expressions, Boolean operators, similar 
word matches, the previous results list, or topic titles to refine your search. 

To perform a full-text search 

  In the navigation pane, click the Search tab and then type the word 
  or phrase you want to find. Use the right-arrow button to add Boolean 
  operators to your search. 
  Click List Topics. 
  Your search will return the first 500 hits. If you want to sort 
  the topic list, click Title, Location, or Rank. 
  Highlight the topic you want, and then click Display. 
  (Alternatively, you can display any topic by double-clicking it.) 
To refine a full-text search
You can refine a basic search by using wildcard expressions, nested 
expressions, and Boolean operators. You can also search only on the previous 
results list, request similar word matches, or search only the titles of topics 
in the table of contents. 

  To refine a search to include just the last group of topics you searched, 
  select the Search previous results check box. 
  To match similar spellings in a full-text search, select the Match 
  similar words check box. 
  When Match similar words is selected, the viewer matches 
  minor grammatical variations of the word or phrase you entered, as well as the 
  word or phrase itself. For example, if you entered "add" and selected this 
  box, the Library viewer would find "add", "adds", and "added". This option is 
  independent of other options or syntax. If you do a titles-only search, 
  variations in titles will be matched. If you use quotes (or any other query 
  operator) any variation of the word can appear; for example, "stemmed search" 
  will also match "stemming search".
  To search for words in document titles only, select the Search titles 
  only check box. 
To highlight words in searched topics 
When searching for words in Help topics, you can specify that each occurrence 
of the word or phrase you searched for is highlighted in the topics that are 
found. 

  On the Viewer toolbar, click View and then click Highlights 
  to add a checkmark to this option to highlight all instances of the word or 
  phrase. 
  On the Viewer toolbar, click View and then click Highlights 
  to remove the checkmark from this option and to turn off this feature. 
Search Syntax
The basic rules for formulating queries are as follows: 

  Searches are not case-sensitive, so you can type your search in uppercase 
  or lowercase characters. 
  You can search for any combination of letters (a–z) and numbers (0–9). You 
  cannot search for single letters (a, b, c, etc.) and the following reserved 
  words: an, and, as, at, be, but, by, do, for, from, have, he, in, it, not, of, 
  on, or, she, that, the, there, they, this, to, we, which, with, you. 
  Punctuation marks such as the period (.), colon (:), semicolon (;), comma 
  (,), and hyphen (-) are ignored during a search. 
  Group the elements of your search using "double quotes" or (parentheses). 
  You cannot search for quotation marks. 
Note   If you are searching for a 
filename with an extension, you should group the entire string in double quotes, 
("filename.ext"). Otherwise, the search will treat the period as an OR operator. 

Words, Phrases, and Wildcards 
You can search for words or phrases and use wildcard expressions. The table 
below describes the results of these different kinds of searches.

  
  
    Search for
    Example
    Results
  
    A single word
    Select
    Topics that contain the word "select." (You will also find 
      its grammatical variations, such as "selector" and "selection").
  
    A phrase
    "new operator" 
      –or–
      'new operator'
    Topics that contain the literal phrase "new operator" and 
      all its grammatical variations. Without the quotation marks, the query is 
      equivalent to specifying a new AND operator, which will find topics 
      containing both of the individual words, instead of the phrase.
  
    Wildcard expressions
    Esc*
    Topics that contain the terms "ESC," "escape," 
      "escalation," and so on. The asterisk cannot be the only character in the 
      words.
  
    
    80?86
    Topics that contain the terms "80186," "80286," "80386," 
      and so on. The question mark cannot be the only character in the 
  term.
  
    
    *86
    Topics that contain the terms "386," "486," "x86," 
      "QEMM386," "8086," and so on.
Operators: AND, OR, NOT, and NEAR 
The AND, OR, NOT, and NEAR operators allow you to refine your search. The 
following table shows how to use each of these operators. 

  
  
    Search for
    Example
    Results
  
    Both terms in the same topic
    dib AND palette 
      –or–
      dib & palette
    Topics containing both the words "dib" and 
"palette."
  
    Either term in a topic
    raster OR vector 
      –or–
      raster | vector<
    Topics containing either the word "raster" or the word 
      "vector."
  
    The first term without the second term
    ole NOT dde 
      –or–
      ole ! dde
    Topics containing the word "OLE," but not the word 
    "DDE."
  
    Both terms in the same topic, close together
    user NEAR kernel
    Topics containing the word "user" within eight words of 
      the word "kernel."
Rules for Nested Expressions 
The basic rules for searching topics using nested expressions are as follows: 


  You can use parentheses to nest expressions within a query. The 
  expressions in parentheses are evaluated before the rest of the query. 

  If a query does not contain a nested expression, it is evaluated from left 
  to right. For example, "Control NOT active OR dde" finds topics containing the 
  term "control" without the term "active", or topics containing the term 
  "control" and not "dde". (On the other hand, "control NOT (active OR dde)" 
  finds topics containing the term "control" without either of the terms 
  "active" or "dde".) 
  Nesting allows you to create more complex search expressions. For example, 
  "control AND ((active OR dde) NEAR window)" finds topics containing the term 
  "control" along with the terms "active" and "window" close together, or 
  containing "control" along with the terms "dde" and "window" close together. 
  
  You cannot nest expressions more than five levels deep. 
Best regards,Tomasz Janeczkoamibroker.com
<BLOCKQUOTE 
>
  ----- Original Message ----- 
  <DIV 
  >From: 
  Lionel 
  Issen 
  To: <A title=amibroker@xxxxxxxxxxxxxxx 
  href="">amibroker@xxxxxxxxxxxxxxx 
  Sent: Sunday, August 31, 2003 7:01 
  AM
  Subject: RE: [amibroker] AFL brackets and 
  parentheses
  
  Dave:
   
  I prefer to read a hard copy. 
  But I agree with searching the online version.
   
  Thanks for the tip about 
  using the archived lists.  Do you have any suggestions for efficiently 
  searching it?
   
  Thanks
   
  Lionel
   
   
  
  
  <FONT 
  face=Tahoma size=2>-----Original Message-----From: Dave Merrill 
  [mailto:dmerrill@xxxxxxx] Sent: Saturday, August 30, 2003 10:48 
  PMTo: <A 
  href="">amibroker@xxxxxxxxxxxxxxxSubject: 
  RE: [amibroker] AFL brackets and parentheses
  honestly, unless I want to 
  read the manual cover to cover or take it to the john or something, I find the 
  online version much much more helpful. the main thing is that it's searchable, 
  which is huge.
   
  on another note, download the 
  archive of past mailing list posts. it's in HTML help format too, so it's 
  searchable, and it's simply a wonderful resource. it's big, but worth it, 
  especially if you have a fast connection.
   
  dave
   
  <BLOCKQUOTE 
  >
    The problem is solved, at 
    least partially.
     
    I was using a hard copy of 
    the V 4.30 manual. The AFL section is different to that in the V 
    4.40 manual.  I am printing out the latest version for my 
    use.
     
    I didn't mean to sound so 
    critical of the Amibroker manual.  It describes the very rich 
    capability of the AFL language and the program. I guess that I was feeling a 
    bit frustrated and nit picking.
     
    Thanks to everyone for 
    their helpful suggestions, and my apologies to Tomasz
     
    <FONT 
  size=2>LionelSend BUG REPORTS to 
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