Class: DTALog

Inherits:
Object
  • Object
show all
Defined in:
lib/spec_id/srf.rb

Overview

class to extract information from <file>_dta.log files

Class Method Summary collapse

Class Method Details

.dta_and_scans_by_dta_index(file) ⇒ Object

returns an array indexed by the dta file number (starting at 0) each entry is an array [first_scan, last_scan, dta_filename_noext] this is now obsolete since I found the scan # index at the end of the srf files



24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
 
# File 'lib/spec_id/srf.rb', line 24

def self.dta_and_scans_by_dta_index(file)
  dta_index = nil
  final_scan = nil
  dta_cnt = 0
  re = /^ m/o
  scan_line_re = /scan: (\d+) - (\d+), Datafile: (.*?) (.*)/o
  other_dta_re = /Datafile: (.*?) /o
  File.open(file) do |fh|
    10.times { fh.readline }
    scan_range_line = fh.readline
    if scan_range_line =~ /scan range\s+= \d+ - (\d+)/
      # this is an overestimate (since MS scans have no dta, but that's OK)
      dta_index = Array.new($1.to_i)
    else
      dta_index = []
    end
    3.times { fh.readline }
    fh.each do |line|
      if line =~ re
        if line =~ scan_line_re
          first_scan = $1.to_i
          last_scan = $2.to_i
          the_rest = $4.dup
          dta_index[dta_cnt] = [first_scan, last_scan, $3.sub(/\.dta/,'')]
          dta_cnt += 1
          if the_rest =~ other_dta_re 
            dta_index[dta_cnt] = [first_scan, last_scan, $1.sub(/\.dta/,'')]
            dta_cnt += 1
          end
        end
        break
      end
    end
    fh.each do |line|
      if line =~ scan_line_re
        first_scan = $1.to_i
        last_scan = $2.to_i
        the_rest = $4.dup
        dta_index[dta_cnt] = [first_scan, last_scan, $3.sub(/\.dta/,'')]
        dta_cnt += 1
        if the_rest =~ other_dta_re 
          dta_index[dta_cnt] = [first_scan, last_scan, $1.sub(/\.dta/,'')]
          dta_cnt += 1
        end
      end
    end
  end
  dta_index.compact! # remove those trailing nils
  dta_index
end