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  Help Page - SS_SearchURL

( Some help pages may not display correctly in html because those help pages may have sample code
in them, part of which may be mis-interpreted as html tags.

All help pages, including this help page, are available in biterScripting with the help command. )




Sample Script SS_SearchURL Purpose Searches a URL for a specified Search String or Regular Expression. Source Code ##################################################################### # SCRIPT: SS_SearchURL # # This script extracts parts of a URL that contain a specified string # or regular expression. 5 lines before and after are extracted. This # number 5 is arbitrary. You can refine that part of the script to # suit your requirements. # # The URL is assigned using FVA (Forward Variable Assignment) # for str variable $URL. The value of $URL is of form # "http://www.xxx.yyy" or "http://www.xxx.yyy/zzz...qqq/pppp.html # # The search string or regular expression is passed using FVA for # str variable $search_sting. Note that even if this variable is called # search_string, you can pass a regular expression though it. # # This script can be stored and edited as necessary, in a text file # called SS_SearchURL.txt . The script can then be called as # # script SS_SearchURL.txt URL("http://www.abc.def/.../page.html") search_string("Computer Training") # ##################################################################### var str URL # The URL to search var str search_string # String or Regular Expression to search for var str content # Collects the contents of the URL here. # $content is progressively cut down as each new instance # of search_string is found. repro $URL >$content # The <search_string> to all string editors needs to be passed # in the form of "^<search_string>^]", so we will create a # dynamic str argument. var str stex_arg set $stex_arg = "^" + $search_string + "^" + "]" # We will collect content upto the first instance into a pre string. var str preStr stex -c -r $stex_arg $content > $preStr # If $preStr is empty, the <search_string> is not in $content. while ( $preStr <> "" ) do # preStr now has the part up to (and including) <search_string>. We # will extract 5 lines before that. We want the last 5 lines from $preStr. var int lines set $lines = { len -e $preStr } # If $lines is 100, as an example, we want to pass argument "[95" to the next lex command. set $lines = $lines - 5 # If $lines is a number less than 1, the lex command will complain. This would happen # if the <search_string> is found within the first 5 lines of the URL. if ($lines < 1) set $lines = 1 endif # Create the dynamic argument for the lex command in a str variable. var str lex_arg set $lex_arg="["+makestr(int($lines)) lex -e $lex_arg $preStr # The 5 lines before (and including) <search_string> will be written to screen. # The remaining $content now starts after the <search_string>. We will collect # the next 5 lines. lex "5]" $content # The 5 lines after <search_string> will be written to screen. # $content is already stripped of the portion upto 5 lines after this instance # of <search_string>. We will now find the next instance, and continue the while loop # until there are no more instance left in $content. stex -c -r $stex_arg $content > $preStr done

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