Filter » History » Version 12
Per Amundsen, 08/13/2015 10:25 AM
1 | 1 | Per Amundsen | _Added in 1.9.4_ |
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3 | */filter [-asdfkwxnpriocteubglLz] [n-n2] [c s] <infile | dialog id> <outfile | dialog id | alias> [alias] <matchtext>* |
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4 | 2 | Per Amundsen | |
5 | 3 | Per Amundsen | Scans lines of text in a window, file or dialog control, any matches are then written out to another window, file, or dialog control. |
6 | The order of the switch are important, they define what is the infile and what is the outfile, see the examples for more information. |
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7 | |||
8 | 6 | Per Amundsen | You can filter blank lines by specifying [[$crlf]] for the matchtext. |
9 | |||
10 | 3 | Per Amundsen | The [[$filtered]] identifier will retrieve the number of matches found. |
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12 | 1 | Per Amundsen | *Switches* |
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14 | 7 | Per Amundsen | -w - Indicates the parameter is a window. |
15 | -f - Indicates the parameter is a file. |
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16 | -a - Sorts filtered lines by calling the optional [alias] parameter, the alias is passed two lines, $1 and $2, it must compare both and return -1, 0, or 1 to indicate relative sort order of these lines to each other. |
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17 | -x - Excludes matching lines. |
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18 | -n - Prefixes lines with a line number. (the Nth match) |
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19 | 5 | Per Amundsen | -d - TODO |
20 | 7 | Per Amundsen | -s - Indicates the status window will be used. |
21 | 5 | Per Amundsen | -p - TODO |
22 | 7 | Per Amundsen | -r - Specifies the range of lines n to n2 for filtering. |
23 | 11 | Per Amundsen | -b - Strips any [[Formatting_Text|control codes]] when matching text. |
24 | 12 | Per Amundsen | -g - Indicates the matchtext is a [[Scripting_Regex|regular expression]]. |
25 | 5 | Per Amundsen | -z - TODO |
26 | 7 | Per Amundsen | -k - Indicates that you have specified an <alias> as the output instead of a window name. The alias will be called with the result of each filtered line with the form $<alias>($1) where $1 is the matched line. |
27 | -i - Indicates that you have provided a [dialog id] custom dialog control as the input. |
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28 | -o - Indicates that you have provided a [dialog id] custom dialog control as the output. |
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29 | -c - Clears the output window/file before writing to it. |
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30 | -t - Sorts the output based on [c s], column C using character S as the columns separator. |
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31 | -e - Used with -t, specifies a descending sort. |
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32 | -u - Used with -t, specifies a numeric sort. |
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33 | -l - Filters from the side-listbox in the first window. |
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34 | -L - Filters to the side-listbox in the second window. |
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35 | 3 | Per Amundsen | |
36 | *Parameters* |
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37 | |||
38 | [n-n2] - if -r is used, indicates the range of lines to be scanned* |
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39 | [c s] - if -t is used, indicates how to do the sort |
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40 | <infile | dialog id> - if no switch implies a window's name to be use as the infile, you must provide an infile (a window, a file, or a dialog control) |
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41 | <outfile | dialog id | alias> - if no switch implies a window's name to be used as the outfile, you must provide an outfile (a window, a file, a dialog control, or an alias name if -k is used) |
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42 | 1 | Per Amundsen | [alias] - optional alias called if -a is used |
43 | 6 | Per Amundsen | <matchtext> - the expression used for the search, if [[$null]] is used, it matches everything. |
44 | 3 | Per Amundsen | |
45 | 10 | Per Amundsen | *Example* |
46 | |||
47 | 3 | Per Amundsen | <pre> |
48 | 8 | Per Amundsen | ;Filter from the file "c:\my file.txt" to the custom window @mywin. |
49 | 3 | Per Amundsen | /filter -fw "c:\my file.txt" @mywin *findthis* |
50 | |||
51 | 8 | Per Amundsen | ;Filter from the custom window @mywin to the file "c:\my file.txt". |
52 | 3 | Per Amundsen | filter -wf @mywin "c:\my file.txt" *findthat* |
53 | |||
54 | 8 | Per Amundsen | ;Filter from the status window to the single message window. |
55 | 3 | Per Amundsen | /filter -sd *findthis* |
56 | |||
57 | 8 | Per Amundsen | ;Filter from the single message window to the status window. |
58 | 3 | Per Amundsen | /filter -ds *findthat* |
59 | |||
60 | 8 | Per Amundsen | ;Filter from the filename @this_is_a_file to the dialog 'dialog', id '1'. |
61 | 1 | Per Amundsen | /filter -fo @this_is_a_file dialog 1 *findthis* |
62 | |||
63 | 8 | Per Amundsen | ;Filter from a file and call an alias for each line. |
64 | 1 | Per Amundsen | /filter -fk file myalias *findthat* |
65 | |||
66 | 8 | Per Amundsen | ;Filter from a file to a file using regex. |
67 | 1 | Per Amundsen | /filter -ffg file1 file2 /regex here/ |
68 | 8 | Per Amundsen | |
69 | 9 | Per Amundsen | alias sortexample { |
70 | ;Create 2 windows. |
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71 | /window @asd1 |
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72 | /window @asd2 |
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73 | 1 | Per Amundsen | |
74 | 9 | Per Amundsen | ;Add some unordered lines. |
75 | aline @asd1 cccc3|cccc2|cccc1 |
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76 | aline @asd1 aaaa3|aaaa2|aaaa1 |
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77 | aline @asd1 bbbb3|bbbb2|bbbb1 |
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78 | |||
79 | ;Sort by column "1" where column separator is "|" (ascii char 124). (equal to $gettok(cccc3|cccc2|cccc1, 1, 124)) |
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80 | /filter -twwc 1 124 @asd1 @asd2 |
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81 | } |
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82 | 3 | Per Amundsen | </pre> |