Ich habe eine Frage mit der Geschwindigkeit. Ich habe ein Bash-Skript, das Informationen von TheTvDb.com analysiert. Es lädt fast 40.000 Datenzeilen herunter und reduziert sie dann auf etwa 5000 Datenzeilen, die auf die Festplatte geschrieben werden. Dann liest es die Datei und parst sie in mehrere Dateien, die später als Nachschlagetabelle verwendet werden. Es nimmt im Grunde genommen alle Informationen, die es vor jedem "/ Episode" sieht, in eine bestimmte Datei und schreibt dann auf den nächsten zurück.Schnellere Textverarbeitung in BASH
Es muss auf dem "/ Episode" -Tag synchronisiert werden, da es ein "FirstAired" -Tag außerhalb der Episodentags gibt. Dies stellt sicher, dass die Daten in Folge und nicht in Abhängigkeit von jedem einzelnen Tag, das sich auf eine Episode bezieht, gezeichnet werden.
Hier ist der Code in Frage.
if [ -f "$mythicalLibrarian/$NewShowName/$NewShowName.xml" ]; then
Ename=""
actualEname=""
FAired=""
SeasonNr=""
EpisodeNr=""
recordNumber=0
echo "Parsing Downloaded information: $NewShowName.xml "
while read line
do
if [[ $line == \<\/Episode\> ]]; then
((++recordNumber))
echo -ne "Building Record:$recordNumber ${actualEname:0:20} \r" 1>&2
echo "$actualEname" >> "$mythicalLibrarian/$NewShowName/$NewShowName.actualEname.txt"&
Ename=`echo "$actualEname" |sed 's/;.*//'`
echo "$Ename" >> "$mythicalLibrarian/$NewShowName/$NewShowName.Ename.txt"&
echo "$FAired" >> "$mythicalLibrarian/$NewShowName/$NewShowName.FAired.txt"&
echo "$SeasonNr" >> "$mythicalLibrarian/$NewShowName/$NewShowName.S.txt"&
echo "$EpisodeNr" >> "$mythicalLibrarian/$NewShowName/$NewShowName.E.txt"&
Ename=""
actualEname=""
FAired=""
SeasonNr=""
EpisodeNr=""
#Get actual show name
elif [[ $line == \<EpisodeName\>* ]]; then
actualEname=`echo "$line" | sed -e s/'<\/EpisodeName>'// -e s/'<EpisodeName>'// -e s/'\&\;'/'\&'/ -e s/'\"\;'/'\"'/ -e s/'\&\;'/'\&'/ -e s/'\&ndash\;'/'-'/ -e s/'\<\;'/'\<'/ -e 's/'\>\;'/'\>'/' |tr -d '|\?\*\<\"\:\>\+\\\[\]\/'`
#Get OriginalAirDate
elif [[ $line == \<FirstAired\>* ]]; then
FAired=`echo "$line" | sed -e s/'<FirstAired>'//g -e s/'<\/FirstAired>'//g`
#Get Season number
elif [[ $line == \<SeasonNumber\>* ]]; then
SeasonNr=`echo "$line" |sed -e s/'<SeasonNumber>'// -e s/'<\/SeasonNumber>'//`
#Get Episode number
elif [[ $line == \<EpisodeNumber\>* ]]; then
EpisodeNr=`echo "$line" |sed -e 's/<EpisodeNumber>//' -e 's/<\/EpisodeNumber>//'`
fi
done < "$mythicalLibrarian/$NewShowName/$NewShowName.xml"
chmod 777 "$mythicalLibrarian"/"$NewShowName"/"$NewShowName".actualEname.txt
chmod 666 "$mythicalLibrarian"/"$NewShowName"/"$NewShowName".Ename.txt
chmod 666 "$mythicalLibrarian/$NewShowName/$NewShowName".FAired.txt
chmod 666 "$mythicalLibrarian"/"$NewShowName"/"$NewShowName".S.txt
chmod 666 "$mythicalLibrarian/$NewShowName/$NewShowName".E.txt
GotNewInformation=1
elif [ ! -f "$mythicalLibrarian/$NewShowName/$NewShowName.xml" ]; then
echo "COULD NOT DOWNLOAD:www.thetvdb.com/api/$APIkey/series/$SeriesID/all/$Language.xml">>"$mythicalLibrarian"/output.log
fi
Hier ist ein Teil der Daten wird die Verarbeitung
<?xml version="1.0" encoding="UTF-8" ?>
<Data><Series>
<Actors>|Fred Rogers|Adair Roth|Bert Lloyd|Bud Alder|Carol Saunders|Carole Switala|Deborah Neal Stampo|Don Brockett|Elsie Neal|Emilie Jacobson|Fred Michael|John Reardon|Jos|Judy Rubin|Keith David|Lenny Meledandri|Michael Horton|Robert Trow|Yoshi Ito|</Actors>
<Airs_DayOfWeek></Airs_DayOfWeek>
<Airs_Time></Airs_Time>
<ContentRating></ContentRating>
<FirstAired>1968-02-01</FirstAired>
<Genre>|Children|</Genre>
<Network>PBS</Network>
<NetworkID></NetworkID>
<Overview>"In a little toy neighborhood, a tiny trolley rolls past a house at the end of a street.
<Runtime>30</Runtime>
<SeriesID>6843</SeriesID>
<SeriesName>Mister Rogers' Neighborhood</SeriesName>
<Status>Ended</Status>
<added></added>
<addedBy></addedBy>
<banner>graphical/77750-g.jpg</banner>
<fanart>fanart/original/77750-1.jpg</fanart>
<poster></poster>
<zap2it_id>SH002930</zap2it_id>
</Series>
<Episode>
<EpisodeName>Change (1)</EpisodeName>
<EpisodeNumber>1</EpisodeNumber>
<FirstAired>1968-02-19</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Change (2)</EpisodeName>
<EpisodeNumber>2</EpisodeNumber>
<FirstAired>1968-02-20</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Change (3)</EpisodeName>
<EpisodeNumber>3</EpisodeNumber>
<FirstAired>1968-02-21</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Change (4)</EpisodeName>
<EpisodeNumber>4</EpisodeNumber>
<FirstAired>1968-02-22</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Change (5)</EpisodeName>
<EpisodeNumber>5</EpisodeNumber>
<FirstAired>1968-02-23</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 6</EpisodeName>
<EpisodeNumber>6</EpisodeNumber>
<FirstAired>1968-02-26</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 7</EpisodeName>
<EpisodeNumber>7</EpisodeNumber>
<FirstAired>1968-02-27</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 8</EpisodeName>
<EpisodeNumber>8</EpisodeNumber>
<FirstAired>1968-02-28</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 9</EpisodeName>
<EpisodeNumber>9</EpisodeNumber>
<FirstAired>1968-02-29</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 10</EpisodeName>
<EpisodeNumber>10</EpisodeNumber>
<FirstAired>1968-03-01</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 11</EpisodeName>
<EpisodeNumber>11</EpisodeNumber>
<FirstAired>1968-03-04</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 12</EpisodeName>
<EpisodeNumber>12</EpisodeNumber>
<FirstAired>1968-03-05</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 13</EpisodeName>
<EpisodeNumber>13</EpisodeNumber>
<FirstAired>1968-03-06</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 14</EpisodeName>
<EpisodeNumber>14</EpisodeNumber>
<FirstAired>1968-03-07</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 15</EpisodeName>
<EpisodeNumber>15</EpisodeNumber>
<FirstAired>1968-03-08</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Welcome Donkey Hodie (1)</EpisodeName>
<EpisodeNumber>16</EpisodeNumber>
<FirstAired>1968-03-11</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Welcome Donkey Hodie (2)</EpisodeName>
<EpisodeNumber>17</EpisodeNumber>
<FirstAired>1968-03-12</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Welcome Donkey Hodie (3)</EpisodeName>
<EpisodeNumber>18</EpisodeNumber>
<FirstAired>1968-03-13</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Welcome Donkey Hodie (4)</EpisodeName>
<EpisodeNumber>19</EpisodeNumber>
<FirstAired>1968-03-14</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Welcome Donkey Hodie (5)</EpisodeName>
<EpisodeNumber>20</EpisodeNumber>
<FirstAired>1968-03-15</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 21</EpisodeName>
<EpisodeNumber>21</EpisodeNumber>
<FirstAired>1968-03-18</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 22</EpisodeName>
<EpisodeNumber>22</EpisodeNumber>
<FirstAired>1968-03-19</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 23</EpisodeName>
<EpisodeNumber>23</EpisodeNumber>
<FirstAired>1968-03-20</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 24</EpisodeName>
<EpisodeNumber>24</EpisodeNumber>
<FirstAired>1968-03-21</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 25</EpisodeName>
<EpisodeNumber>25</EpisodeNumber>
<FirstAired>1968-03-22</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 26</EpisodeName>
<EpisodeNumber>26</EpisodeNumber>
<FirstAired>1968-03-25</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 27</EpisodeName>
<EpisodeNumber>27</EpisodeNumber>
<FirstAired>1968-03-26</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 28</EpisodeName>
<EpisodeNumber>28</EpisodeNumber>
<FirstAired>1968-03-27</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 29</EpisodeName>
<EpisodeNumber>29</EpisodeNumber>
<FirstAired>1968-03-28</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 30</EpisodeName>
<EpisodeNumber>30</EpisodeNumber>
<FirstAired>1968-03-29</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Red Monster (1)</EpisodeName>
<EpisodeNumber>31</EpisodeNumber>
<FirstAired>1968-04-01</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Red Monster (2)</EpisodeName>
<EpisodeNumber>32</EpisodeNumber>
<FirstAired>1968-04-02</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Red Monster (3)</EpisodeName>
<EpisodeNumber>33</EpisodeNumber>
<FirstAired>1968-04-03</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Red Monster (4)</EpisodeName>
<EpisodeNumber>34</EpisodeNumber>
<FirstAired>1968-04-04</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Red Monster (5)</EpisodeName>
<EpisodeNumber>35</EpisodeNumber>
<FirstAired>1968-04-05</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 36</EpisodeName>
<EpisodeNumber>36</EpisodeNumber>
<FirstAired>1968-04-08</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 37</EpisodeName>
<EpisodeNumber>37</EpisodeNumber>
<FirstAired>1968-04-09</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 38</EpisodeName>
<EpisodeNumber>38</EpisodeNumber>
<FirstAired>1968-04-10</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 39</EpisodeName>
<EpisodeNumber>39</EpisodeNumber>
<FirstAired>1968-04-11</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 40</EpisodeName>
<EpisodeNumber>40</EpisodeNumber>
<FirstAired>1968-04-12</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 41</EpisodeName>
<EpisodeNumber>41</EpisodeNumber>
<FirstAired>1968-04-15</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 42</EpisodeName>
<EpisodeNumber>42</EpisodeNumber>
<FirstAired>1968-04-16</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 43</EpisodeName>
<EpisodeNumber>43</EpisodeNumber>
<FirstAired>1968-04-17</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 44</EpisodeName>
<EpisodeNumber>44</EpisodeNumber>
<FirstAired>1968-04-18</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 45</EpisodeName>
<EpisodeNumber>45</EpisodeNumber>
<FirstAired>1968-04-19</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 46</EpisodeName>
<EpisodeNumber>46</EpisodeNumber>
<FirstAired>1968-04-22</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 47</EpisodeName>
<EpisodeNumber>47</EpisodeNumber>
<FirstAired>1968-04-23</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 48</EpisodeName>
<EpisodeNumber>48</EpisodeNumber>
<FirstAired>1968-04-24</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 49</EpisodeName>
<EpisodeNumber>49</EpisodeNumber>
<FirstAired>1968-04-25</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 50</EpisodeName>
<EpisodeNumber>50</EpisodeNumber>
<FirstAired>1968-04-26</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 51</EpisodeName>
<EpisodeNumber>51</EpisodeNumber>
<FirstAired>1968-04-29</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 52</EpisodeName>
<EpisodeNumber>52</EpisodeNumber>
<FirstAired>1968-04-30</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 53</EpisodeName>
<EpisodeNumber>53</EpisodeNumber>
<FirstAired>1968-05-01</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 54</EpisodeName>
<EpisodeNumber>54</EpisodeNumber>
<FirstAired>1968-05-02</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 55</EpisodeName>
<EpisodeNumber>55</EpisodeNumber>
<FirstAired>1968-05-03</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 56</EpisodeName>
<EpisodeNumber>56</EpisodeNumber>
<FirstAired>1968-05-06</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 57</EpisodeName>
<EpisodeNumber>57</EpisodeNumber>
<FirstAired>1968-05-07</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 58</EpisodeName>
<EpisodeNumber>58</EpisodeNumber>
<FirstAired>1968-05-08</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 59</EpisodeName>
<EpisodeNumber>59</EpisodeNumber>
<FirstAired>1968-05-09</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 60</EpisodeName>
<EpisodeNumber>60</EpisodeNumber>
<FirstAired>1968-05-10</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 61</EpisodeName>
<EpisodeNumber>61</EpisodeNumber>
<FirstAired>1968-05-13</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 62</EpisodeName>
<EpisodeNumber>62</EpisodeNumber>
<FirstAired>1968-05-14</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 63</EpisodeName>
<EpisodeNumber>63</EpisodeNumber>
<FirstAired>1968-05-15</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 64</EpisodeName>
<EpisodeNumber>64</EpisodeNumber>
<FirstAired>1968-05-16</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 65</EpisodeName>
<EpisodeNumber>65</EpisodeNumber>
<FirstAired>1968-05-17</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 66</EpisodeName>
<EpisodeNumber>66</EpisodeNumber>
<FirstAired>1968-05-20</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 67</EpisodeName>
<EpisodeNumber>67</EpisodeNumber>
<FirstAired>1968-05-21</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 68</EpisodeName>
<EpisodeNumber>68</EpisodeNumber>
<FirstAired>1968-05-22</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 69</EpisodeName>
<EpisodeNumber>69</EpisodeNumber>
<FirstAired>1968-05-23</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 70</EpisodeName>
<EpisodeNumber>70</EpisodeNumber>
<FirstAired>1968-05-24</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 71</EpisodeName>
<EpisodeNumber>71</EpisodeNumber>
<FirstAired>1968-05-27</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
<Episode>
<EpisodeName>Show 72</EpisodeName>
<EpisodeNumber>72</EpisodeNumber>
<FirstAired>1968-05-28</FirstAired>
<SeasonNumber>1</SeasonNumber>
</Episode>
Das Problem besteht darin, dass dies dauert 14,5 Sekunden auf einem i7-Prozessor. Es ist ungefähr 10x langsamer auf meinem Media Center. Ich habe versucht, eine case-Anweisung zu verwenden, die 15 Sekunden auf dem schnellen Prozessor dauert.
Ich würde gerne wissen, wie man diesen Prozess beschleunigen kann. Es scheint, dass dies für BASH lächerlich langsam ist, das um Datenmanipulation und Dateioperationen herum entwickelt werden soll.
Die ‚<‘ ‚>‘ ‚"‘ müssen in ‚<' '>‘ und ‚"‘Jede Art und Weise, dass schneller tun geändert werden –
Wirklich, das Wichtigste ist, das ist & char –
@ Adam:.?. In Original, Du änderst sie und löschst sie. Warum löschst du sie nicht einfach nur? Wenn du beides noch tun willst, kannst du weitere Anweisungen in der Form 'actualEname = $ {actualEname // </<}' hinzufügen. Wir haben eine Methode gezeigt, die schneller ist: Sie können sehen, ob die Vorverarbeitung Ihrer gesamten Datei außerhalb der Schleife statt Zeile für Zeile innerhalb der Schleife schneller ist.'während Lese -r Typ Zeile; if [[$ type == "..."]]; echo "$ line" >> "$ outputfile"; ... done <<(sed ... "$ filename" | tr ...) 'wo eines der Dinge, die' sed' machen würde, ist '' in "EpisodeName" als erstes ... –