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Number of line in website
URLFetch functionality for a Persian websiteLook up info associated with a given CAS chemical identifier from the NIST webbook & NCI CADD Chemical Identifier ResolverParse website data that requires interaction with a form (POST)How to crawl some website needed username and passwordImport file from website using process indiciatorImport the table from an html websiteHow to detect a website is changed or not?Can Mathematica run javascript on a website?Bing daily wallpaperScrape AJAX Website with Webdriver
$begingroup$
I want to download the content of the website(contains text) and only a few lines from the content (from a specific number of the line up to the last line minus specific offset). Unfortunately, I do not know how to get the number of line in the content. For example, I want to replace 59 with the length of the content minus specific offset.
data1 = Import["https://en.wikipedia.org/wiki/Segment_tree"];
Snippet[data1, 51 ;; 59]
web-access
asked Apr 23 at 12:19
Kiril DanilchenkoKiril Danilchenko
8471416
$endgroup$
add a comment |
$begingroup$
I want to download the content of the website(contains text) and only a few lines from the content (from a specific number of the line up to the last line minus specific offset). Unfortunately, I do not know how to get the number of line in the content. For example, I want to replace 59 with the length of the content minus specific offset.
data1 = Import["https://en.wikipedia.org/wiki/Segment_tree"];
Snippet[data1, 51 ;; 59]
web-access
asked Apr 23 at 12:19
Kiril DanilchenkoKiril Danilchenko
8471416
$endgroup$
$begingroup$
You mean from line 51 to the end?Snippet[data1, 51 ;;].
$endgroup$
– corey979
Apr 23 at 12:26
$begingroup$
@corey979 I edit the question to be more specific
$endgroup$
– Kiril Danilchenko
Apr 23 at 12:33
1
$begingroup$
Snippet[data1, 51 ;; -17]
$endgroup$
– corey979
Apr 23 at 12:38
$begingroup$
@corey979 thank you for the answer,but if I'm interested to know the length of the content. How I can get it?
$endgroup$
– Kiril Danilchenko
Apr 23 at 12:46
1
$begingroup$
So you want to know the length of the content, not take its snippet from a given line to the end, or to some numbered line from the end? So that's quite different than you have in the question: "replace 59 with the length of the content minus specific offset" would give the same outputs as my codes above.
$endgroup$
– corey979
Apr 23 at 14:07
add a comment |
$begingroup$
I want to download the content of the website(contains text) and only a few lines from the content (from a specific number of the line up to the last line minus specific offset). Unfortunately, I do not know how to get the number of line in the content. For example, I want to replace 59 with the length of the content minus specific offset.
data1 = Import["https://en.wikipedia.org/wiki/Segment_tree"];
Snippet[data1, 51 ;; 59]
web-access
asked Apr 23 at 12:19
Kiril DanilchenkoKiril Danilchenko
8471416
$endgroup$
I want to download the content of the website(contains text) and only a few lines from the content (from a specific number of the line up to the last line minus specific offset). Unfortunately, I do not know how to get the number of line in the content. For example, I want to replace 59 with the length of the content minus specific offset.
data1 = Import["https://en.wikipedia.org/wiki/Segment_tree"];
Snippet[data1, 51 ;; 59]
web-access
web-access
asked Apr 23 at 12:19
Kiril DanilchenkoKiril Danilchenko
8471416
asked Apr 23 at 12:19
Kiril DanilchenkoKiril Danilchenko
8471416
edited Apr 23 at 12:32
Kiril Danilchenko
asked Apr 23 at 12:19
Kiril DanilchenkoKiril Danilchenko
8471416
asked Apr 23 at 12:19
Kiril DanilchenkoKiril Danilchenko
8471416
asked Apr 23 at 12:19
Kiril DanilchenkoKiril Danilchenko
8471416
8471416
$begingroup$
You mean from line 51 to the end?Snippet[data1, 51 ;;].
$endgroup$
– corey979
Apr 23 at 12:26
$begingroup$
@corey979 I edit the question to be more specific
$endgroup$
– Kiril Danilchenko
Apr 23 at 12:33
1
$begingroup$
Snippet[data1, 51 ;; -17]
$endgroup$
– corey979
Apr 23 at 12:38
$begingroup$
@corey979 thank you for the answer,but if I'm interested to know the length of the content. How I can get it?
$endgroup$
– Kiril Danilchenko
Apr 23 at 12:46
1
$begingroup$
So you want to know the length of the content, not take its snippet from a given line to the end, or to some numbered line from the end? So that's quite different than you have in the question: "replace 59 with the length of the content minus specific offset" would give the same outputs as my codes above.
$endgroup$
– corey979
Apr 23 at 14:07
add a comment |
$begingroup$
You mean from line 51 to the end?Snippet[data1, 51 ;;].
$endgroup$
– corey979
Apr 23 at 12:26
$begingroup$
@corey979 I edit the question to be more specific
$endgroup$
– Kiril Danilchenko
Apr 23 at 12:33
1
$begingroup$
Snippet[data1, 51 ;; -17]
$endgroup$
– corey979
Apr 23 at 12:38
$begingroup$
@corey979 thank you for the answer,but if I'm interested to know the length of the content. How I can get it?
$endgroup$
– Kiril Danilchenko
Apr 23 at 12:46
1
$begingroup$
So you want to know the length of the content, not take its snippet from a given line to the end, or to some numbered line from the end? So that's quite different than you have in the question: "replace 59 with the length of the content minus specific offset" would give the same outputs as my codes above.
$endgroup$
– corey979
Apr 23 at 14:07
$begingroup$
You mean from line 51 to the end?
Snippet[data1, 51 ;;].$endgroup$
– corey979
Apr 23 at 12:26
$begingroup$
You mean from line 51 to the end?
Snippet[data1, 51 ;;].$endgroup$
– corey979
Apr 23 at 12:26
$begingroup$
@corey979 I edit the question to be more specific
$endgroup$
– Kiril Danilchenko
Apr 23 at 12:33
$begingroup$
@corey979 I edit the question to be more specific
$endgroup$
– Kiril Danilchenko
Apr 23 at 12:33
1
1
$begingroup$
Snippet[data1, 51 ;; -17]$endgroup$
– corey979
Apr 23 at 12:38
$begingroup$
Snippet[data1, 51 ;; -17]$endgroup$
– corey979
Apr 23 at 12:38
$begingroup$
@corey979 thank you for the answer,but if I'm interested to know the length of the content. How I can get it?
$endgroup$
– Kiril Danilchenko
Apr 23 at 12:46
$begingroup$
@corey979 thank you for the answer,but if I'm interested to know the length of the content. How I can get it?
$endgroup$
– Kiril Danilchenko
Apr 23 at 12:46
1
1
$begingroup$
So you want to know the length of the content, not take its snippet from a given line to the end, or to some numbered line from the end? So that's quite different than you have in the question: "replace 59 with the length of the content minus specific offset" would give the same outputs as my codes above.
$endgroup$
– corey979
Apr 23 at 14:07
$begingroup$
So you want to know the length of the content, not take its snippet from a given line to the end, or to some numbered line from the end? So that's quite different than you have in the question: "replace 59 with the length of the content minus specific offset" would give the same outputs as my codes above.
$endgroup$
– corey979
Apr 23 at 14:07
add a comment |
2 Answers
2
active
oldest
votes
$begingroup$
One approach is to split the imported data on newlines using StringSplit so the length of the resulting list is the line count. Then we can use Riffle and StringJoin to get the selected lines:
Module[start = 51, offset = 85, raw, data, linecount, stop,
raw = Import["https://en.wikipedia.org/wiki/Segment_tree"];
data = StringTrim@StringSplit[raw, "n"];
linecount = Length@data;
stop = linecount - offset;
Print["# lines: ", linecount];
Print[" start: ", start];
Print[" stop: ", stop];
Print["# saved: ", stop - start];
data = Take[data, start, stop];
Riffle[data, " "] // StringJoin]
Alternatively, we could count newlines in the raw data and use Snippet as corey979 points out in the comments:
Module[start = 51, offset = 85, raw, linecount, stop, counter = 0,
raw = Import["https://en.wikipedia.org/wiki/Segment_tree"];
linecount = Block[str = StringToStream[raw],
While[Read[str, Record, NullRecords -> True] =!= EndOfFile,
counter++];
Close[str]; counter];
stop = linecount - offset;
Print["# lines: ", linecount];
Print[" start: ", start];
Print[" stop: ", stop];
Print["# saved: ", stop - start];
Snippet[raw, start ;; stop]]
The result for the website specified in the question gives:
This section describes the query operation of a segment tree in a
one-dimensional space. A query for a segment tree, receives a point q
x (should be one of the leaves of tree), and retrieves a list of all
the segments stored which contain the point q x . Formally stated;
given a node (subtree) v and a query point q x , the query can be
done using the following algorithm: Report all the intervals in I ( v
). If v is not a leaf: If q x is in Int(left child of v ) then
answered Apr 23 at 13:39
dionysdionys
2,95511235
$endgroup$
add a comment |
$begingroup$
length = ToExpression[ToString[StringCount[#,"n"] & /@ FullForm[data1]]]+1
Snippet[data1,138;;length]
This page was last edited on 27 January 2019, at 05:26 (UTC) . Text
is available under the Creative Commons Attribution-ShareAlike
License ; additional terms may apply. By using this site, you agree
to the Terms of Use and Privacy Policy . Wikipedia® is a registered
trademark of the Wikimedia Foundation, Inc. , a non-profit
organization.
Privacy policy About Wikipedia Disclaimers Contact Wikipedia
Developers Cookie statement Mobile view
answered Apr 23 at 13:47
amator2357amator2357
4488
$endgroup$
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
$begingroup$
One approach is to split the imported data on newlines using StringSplit so the length of the resulting list is the line count. Then we can use Riffle and StringJoin to get the selected lines:
Module[start = 51, offset = 85, raw, data, linecount, stop,
raw = Import["https://en.wikipedia.org/wiki/Segment_tree"];
data = StringTrim@StringSplit[raw, "n"];
linecount = Length@data;
stop = linecount - offset;
Print["# lines: ", linecount];
Print[" start: ", start];
Print[" stop: ", stop];
Print["# saved: ", stop - start];
data = Take[data, start, stop];
Riffle[data, " "] // StringJoin]
Alternatively, we could count newlines in the raw data and use Snippet as corey979 points out in the comments:
Module[start = 51, offset = 85, raw, linecount, stop, counter = 0,
raw = Import["https://en.wikipedia.org/wiki/Segment_tree"];
linecount = Block[str = StringToStream[raw],
While[Read[str, Record, NullRecords -> True] =!= EndOfFile,
counter++];
Close[str]; counter];
stop = linecount - offset;
Print["# lines: ", linecount];
Print[" start: ", start];
Print[" stop: ", stop];
Print["# saved: ", stop - start];
Snippet[raw, start ;; stop]]
The result for the website specified in the question gives:
This section describes the query operation of a segment tree in a
one-dimensional space. A query for a segment tree, receives a point q
x (should be one of the leaves of tree), and retrieves a list of all
the segments stored which contain the point q x . Formally stated;
given a node (subtree) v and a query point q x , the query can be
done using the following algorithm: Report all the intervals in I ( v
). If v is not a leaf: If q x is in Int(left child of v ) then
answered Apr 23 at 13:39
dionysdionys
2,95511235
$endgroup$
add a comment |
$begingroup$
One approach is to split the imported data on newlines using StringSplit so the length of the resulting list is the line count. Then we can use Riffle and StringJoin to get the selected lines:
Module[start = 51, offset = 85, raw, data, linecount, stop,
raw = Import["https://en.wikipedia.org/wiki/Segment_tree"];
data = StringTrim@StringSplit[raw, "n"];
linecount = Length@data;
stop = linecount - offset;
Print["# lines: ", linecount];
Print[" start: ", start];
Print[" stop: ", stop];
Print["# saved: ", stop - start];
data = Take[data, start, stop];
Riffle[data, " "] // StringJoin]
Alternatively, we could count newlines in the raw data and use Snippet as corey979 points out in the comments:
Module[start = 51, offset = 85, raw, linecount, stop, counter = 0,
raw = Import["https://en.wikipedia.org/wiki/Segment_tree"];
linecount = Block[str = StringToStream[raw],
While[Read[str, Record, NullRecords -> True] =!= EndOfFile,
counter++];
Close[str]; counter];
stop = linecount - offset;
Print["# lines: ", linecount];
Print[" start: ", start];
Print[" stop: ", stop];
Print["# saved: ", stop - start];
Snippet[raw, start ;; stop]]
The result for the website specified in the question gives:
This section describes the query operation of a segment tree in a
one-dimensional space. A query for a segment tree, receives a point q
x (should be one of the leaves of tree), and retrieves a list of all
the segments stored which contain the point q x . Formally stated;
given a node (subtree) v and a query point q x , the query can be
done using the following algorithm: Report all the intervals in I ( v
). If v is not a leaf: If q x is in Int(left child of v ) then
answered Apr 23 at 13:39
dionysdionys
2,95511235
$endgroup$
add a comment |
$begingroup$
One approach is to split the imported data on newlines using StringSplit so the length of the resulting list is the line count. Then we can use Riffle and StringJoin to get the selected lines:
Module[start = 51, offset = 85, raw, data, linecount, stop,
raw = Import["https://en.wikipedia.org/wiki/Segment_tree"];
data = StringTrim@StringSplit[raw, "n"];
linecount = Length@data;
stop = linecount - offset;
Print["# lines: ", linecount];
Print[" start: ", start];
Print[" stop: ", stop];
Print["# saved: ", stop - start];
data = Take[data, start, stop];
Riffle[data, " "] // StringJoin]
Alternatively, we could count newlines in the raw data and use Snippet as corey979 points out in the comments:
Module[start = 51, offset = 85, raw, linecount, stop, counter = 0,
raw = Import["https://en.wikipedia.org/wiki/Segment_tree"];
linecount = Block[str = StringToStream[raw],
While[Read[str, Record, NullRecords -> True] =!= EndOfFile,
counter++];
Close[str]; counter];
stop = linecount - offset;
Print["# lines: ", linecount];
Print[" start: ", start];
Print[" stop: ", stop];
Print["# saved: ", stop - start];
Snippet[raw, start ;; stop]]
The result for the website specified in the question gives:
This section describes the query operation of a segment tree in a
one-dimensional space. A query for a segment tree, receives a point q
x (should be one of the leaves of tree), and retrieves a list of all
the segments stored which contain the point q x . Formally stated;
given a node (subtree) v and a query point q x , the query can be
done using the following algorithm: Report all the intervals in I ( v
). If v is not a leaf: If q x is in Int(left child of v ) then
answered Apr 23 at 13:39
dionysdionys
2,95511235
$endgroup$
One approach is to split the imported data on newlines using StringSplit so the length of the resulting list is the line count. Then we can use Riffle and StringJoin to get the selected lines:
Module[start = 51, offset = 85, raw, data, linecount, stop,
raw = Import["https://en.wikipedia.org/wiki/Segment_tree"];
data = StringTrim@StringSplit[raw, "n"];
linecount = Length@data;
stop = linecount - offset;
Print["# lines: ", linecount];
Print[" start: ", start];
Print[" stop: ", stop];
Print["# saved: ", stop - start];
data = Take[data, start, stop];
Riffle[data, " "] // StringJoin]
Alternatively, we could count newlines in the raw data and use Snippet as corey979 points out in the comments:
Module[start = 51, offset = 85, raw, linecount, stop, counter = 0,
raw = Import["https://en.wikipedia.org/wiki/Segment_tree"];
linecount = Block[str = StringToStream[raw],
While[Read[str, Record, NullRecords -> True] =!= EndOfFile,
counter++];
Close[str]; counter];
stop = linecount - offset;
Print["# lines: ", linecount];
Print[" start: ", start];
Print[" stop: ", stop];
Print["# saved: ", stop - start];
Snippet[raw, start ;; stop]]
The result for the website specified in the question gives:
This section describes the query operation of a segment tree in a
one-dimensional space. A query for a segment tree, receives a point q
x (should be one of the leaves of tree), and retrieves a list of all
the segments stored which contain the point q x . Formally stated;
given a node (subtree) v and a query point q x , the query can be
done using the following algorithm: Report all the intervals in I ( v
). If v is not a leaf: If q x is in Int(left child of v ) then
answered Apr 23 at 13:39
dionysdionys
2,95511235
edited Apr 23 at 15:55
answered Apr 23 at 13:39
dionysdionys
2,95511235
answered Apr 23 at 13:39
dionysdionys
2,95511235
answered Apr 23 at 13:39
dionysdionys
2,95511235
2,95511235
add a comment |
add a comment |
$begingroup$
length = ToExpression[ToString[StringCount[#,"n"] & /@ FullForm[data1]]]+1
Snippet[data1,138;;length]
This page was last edited on 27 January 2019, at 05:26 (UTC) . Text
is available under the Creative Commons Attribution-ShareAlike
License ; additional terms may apply. By using this site, you agree
to the Terms of Use and Privacy Policy . Wikipedia® is a registered
trademark of the Wikimedia Foundation, Inc. , a non-profit
organization.
Privacy policy About Wikipedia Disclaimers Contact Wikipedia
Developers Cookie statement Mobile view
answered Apr 23 at 13:47
amator2357amator2357
4488
$endgroup$
add a comment |
$begingroup$
length = ToExpression[ToString[StringCount[#,"n"] & /@ FullForm[data1]]]+1
Snippet[data1,138;;length]
This page was last edited on 27 January 2019, at 05:26 (UTC) . Text
is available under the Creative Commons Attribution-ShareAlike
License ; additional terms may apply. By using this site, you agree
to the Terms of Use and Privacy Policy . Wikipedia® is a registered
trademark of the Wikimedia Foundation, Inc. , a non-profit
organization.
Privacy policy About Wikipedia Disclaimers Contact Wikipedia
Developers Cookie statement Mobile view
answered Apr 23 at 13:47
amator2357amator2357
4488
$endgroup$
add a comment |
$begingroup$
length = ToExpression[ToString[StringCount[#,"n"] & /@ FullForm[data1]]]+1
Snippet[data1,138;;length]
This page was last edited on 27 January 2019, at 05:26 (UTC) . Text
is available under the Creative Commons Attribution-ShareAlike
License ; additional terms may apply. By using this site, you agree
to the Terms of Use and Privacy Policy . Wikipedia® is a registered
trademark of the Wikimedia Foundation, Inc. , a non-profit
organization.
Privacy policy About Wikipedia Disclaimers Contact Wikipedia
Developers Cookie statement Mobile view
answered Apr 23 at 13:47
amator2357amator2357
4488
$endgroup$
length = ToExpression[ToString[StringCount[#,"n"] & /@ FullForm[data1]]]+1
Snippet[data1,138;;length]
This page was last edited on 27 January 2019, at 05:26 (UTC) . Text
is available under the Creative Commons Attribution-ShareAlike
License ; additional terms may apply. By using this site, you agree
to the Terms of Use and Privacy Policy . Wikipedia® is a registered
trademark of the Wikimedia Foundation, Inc. , a non-profit
organization.
Privacy policy About Wikipedia Disclaimers Contact Wikipedia
Developers Cookie statement Mobile view
answered Apr 23 at 13:47
amator2357amator2357
4488
edited Apr 23 at 14:30
answered Apr 23 at 13:47
amator2357amator2357
4488
answered Apr 23 at 13:47
amator2357amator2357
4488
answered Apr 23 at 13:47
amator2357amator2357
4488
4488
add a comment |
add a comment |
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$begingroup$
You mean from line 51 to the end?
Snippet[data1, 51 ;;].$endgroup$
– corey979
Apr 23 at 12:26
$begingroup$
@corey979 I edit the question to be more specific
$endgroup$
– Kiril Danilchenko
Apr 23 at 12:33
1
$begingroup$
Snippet[data1, 51 ;; -17]$endgroup$
– corey979
Apr 23 at 12:38
$begingroup$
@corey979 thank you for the answer,but if I'm interested to know the length of the content. How I can get it?
$endgroup$
– Kiril Danilchenko
Apr 23 at 12:46
1
$begingroup$
So you want to know the length of the content, not take its snippet from a given line to the end, or to some numbered line from the end? So that's quite different than you have in the question: "replace 59 with the length of the content minus specific offset" would give the same outputs as my codes above.
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– corey979
Apr 23 at 14:07