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Full Discussion: Perl issue - please help!
Top Forums Shell Programming and Scripting Perl issue - please help! Post 302318035 by akreibich07 on Wednesday 20th of May 2009 02:58:22 PM
Old 05-20-2009
Perl issue - please help!

Hello. I've been writing some code in Perl to read in strings from html files and have been having issues. In the html file, each "paragraph" is a certain file on the website. I need to find every one of the files that is a certain type, in this case, having green color....therefore bgcolor=#ddffff. Then once I find all of those, I'm having problems, because I find them and it only returns that line. I need my code to return the entire paragraph, because the string I need to return is in each paragraph that contains #ddffff and is usually approx. 7 lines below. Example:

Code:
</tr>
<tr bgcolor="#ddffff"><td><a target=_top href=http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?id=34305><font color="green" size=-1>Lotus japonicus</font></a></td>
<td><font size=-1>&nbsp;</font></td>
<td><a target=_top href=http://www.ncbi.nlm.nih.gov/sites/entrez?db=genome&cmd=Retrieve&dopt=Overview&list_uids=15617><font size=-1>NC_002694</font></a></td>
<td><font size=-1>150519&nbsp;nt&nbsp;</font></td>
<td><a target=_top href=http://www.ncbi.nlm.nih.gov/sites/entrez?db=genome&cmd=Retrieve&dopt=Protein+Table&list_uids=15617><font size=-1>82</font></a></td>
<td><a target=_top href=http://www.ncbi.nlm.nih.gov/sites/entrez?db=genome&cmd=Retrieve&dopt=Structural+RNA+Table&list_uids=15617><font size=-1>45</font></a></td>
<td><a target=_top href=http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=Search&TermToSearch=NC_002694[accn]><font size=-1>128</font></a></td>
<td><font size=-1>Mar 1 2001</font></td>
<td><font size=-1>Jan 30 2008</font></td>


This is one of the "paragraphs" I would need, because it does in fact have bgcolor="#ddffff". From this paragraph, I then need to return and print the NC_'number' that is in the middle of it. How do I do this when the string matching of "#ddffff" only returns the line that that text is specifically on. Any help would be great!

Last edited by Neo; 05-20-2009 at 07:24 PM.. Reason: code tags
 

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GIT-STRIPSPACE(1)						    Git Manual							 GIT-STRIPSPACE(1)

NAME
git-stripspace - Remove unnecessary whitespace SYNOPSIS
git stripspace [-s | --strip-comments] git stripspace [-c | --comment-lines] DESCRIPTION
Read text, such as commit messages, notes, tags and branch descriptions, from the standard input and clean it in the manner used by Git. With no arguments, this will: o remove trailing whitespace from all lines o collapse multiple consecutive empty lines into one empty line o remove empty lines from the beginning and end of the input o add a missing to the last line if necessary. In the case where the input consists entirely of whitespace characters, no output will be produced. NOTE: This is intended for cleaning metadata, prefer the --whitespace=fix mode of git-apply(1) for correcting whitespace of patches or files in the repository. OPTIONS
-s, --strip-comments Skip and remove all lines starting with comment character (default #). -c, --comment-lines Prepend comment character and blank to each line. Lines will automatically be terminated with a newline. On empty lines, only the comment character will be prepended. EXAMPLES
Given the following noisy input with $ indicating the end of a line: |A brief introduction $ | $ |$ |A new paragraph$ |# with a commented-out line $ |explaining lots of stuff.$ |$ |# An old paragraph, also commented-out. $ | $ |The end.$ | $ Use git stripspace with no arguments to obtain: |A brief introduction$ |$ |A new paragraph$ |# with a commented-out line$ |explaining lots of stuff.$ |$ |# An old paragraph, also commented-out.$ |$ |The end.$ Use git stripspace --strip-comments to obtain: |A brief introduction$ |$ |A new paragraph$ |explaining lots of stuff.$ |$ |The end.$ GIT
Part of the git(1) suite Git 2.17.1 10/05/2018 GIT-STRIPSPACE(1)
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