Re: Listing Words Backwords
This WebDNA talk-list message is from 2001
It keeps the original formatting.
numero = 37872
interpreted = N
texte = How about this:[text]wordlist=a,b,c,d,e[/text][text]_backwardsList=[/text] [text]_delimiter=,[/text] [listWords words=[wordlist]&delimiters=[_delimiter]] [text]_backwardsList=[word][_delimiter][_backwardsList][/text] [/listWords] [_backwardsList] will contain the initial list, but in reverse order.Gene >As the [ListWords] context has no parameters that would allow listing in reverse order... > >I'm looking for an extremely efficient bit of code that will allow me to loop through words in a string in reverse order. > >I have created my own solution, but I have a new site that I'll need to use this on every page so I am wondering if there might be a more streamlined method of doing this, or just something I may have overlooked in the docs. My solution uses a combination of two listwords loops, several interpret tags, and a numeric loop to do an 'artificial array'. I'd like to slim this down if it's at all possible. > >My solution is an include file that will flip the words in a text variable. >Usage: >[text]wordlist=a,b,c,d,e[/text] >[include file=^flipwords.inc&flipwords=wordlist&flipdelimiters=,] >[wordlist] > > >The output is e,d,c,b,a > >Code for flipwords.inc: > >------- >[showif [flipwords]![raw][flipwords][/raw]][!] >[/!][showif [flipwords]!][!] >[/!][showif [interpret][[flipwords]][/interpret]!][!] >[/!][text]flipwordsd=[if ([flipdelimiters]![raw][flipdelimiters][/raw])|( >[flipdelimiters]!)][then][flipdelimiters][/then][else], .[/else][/if][/text][!] >[/!][math show=f]flipwordsx=[countwords delimiters=[flipwordsd]][interpret][[flipwords]][/interpret][/countwords][/math] >[!] >[/!][math show=f]flipwordsy=[flipwordsx]+1[/math][!] >[/!][listwords words=[interpret][[flipwords]][/interpret]&delimiters=[flipwordsd]][!] >[/!] [math show=f]flipwordsy=[flipwordsy]-1[/math][!] >[/!] [text show=t]flipwords[flipwordsy]=[word][delimiter][/text][!] >[/!][/listwords][!] >[/!][text][flipwords]=[loop start=1&end=[flipwordsx]][interpret][flipwords[index]][/interpret][/loop][/text] >[!] >[/!][/showif][!] >[/!][/showif][!] >[/!][/showif] >------ > >------------------------------------------------------------- >This message is sent to you because you are subscribed to > the mailing list
. >To unsubscribe, E-mail to: >To switch to the DIGEST mode, E-mail to >Web Archive of this list is at: http://search.smithmicro.com/ ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://search.smithmicro.com/
Associated Messages, from the most recent to the oldest:
How about this:[text]wordlist=a,b,c,d,e[/text][text]_backwardsList=[/text] [text]_delimiter=,[/text] [listWords words=[wordlist]&delimiters=[_delimiter]] [text]_backwardsList=[word][_delimiter][_backwardsList][/text] [/listWords] [_backwardsList] will contain the initial list, but in reverse order.Gene >As the [listwords] context has no parameters that would allow listing in reverse order... > >I'm looking for an extremely efficient bit of code that will allow me to loop through words in a string in reverse order. > >I have created my own solution, but I have a new site that I'll need to use this on every page so I am wondering if there might be a more streamlined method of doing this, or just something I may have overlooked in the docs. My solution uses a combination of two listwords loops, several interpret tags, and a numeric loop to do an 'artificial array'. I'd like to slim this down if it's at all possible. > >My solution is an include file that will flip the words in a text variable. >Usage: >[text]wordlist=a,b,c,d,e[/text] >[include file=^flipwords.inc&flipwords=wordlist&flipdelimiters=,] >[wordlist] > > >The output is e,d,c,b,a > >Code for flipwords.inc: > >------- >[showif [flipwords]![raw][flipwords][/raw]][!] >[/!][showif [flipwords]!][!] >[/!][showif [interpret][[flipwords]][/interpret]!][!] >[/!][text]flipwordsd=[if ([flipdelimiters]![raw][flipdelimiters][/raw])|( >[flipdelimiters]!)][then][flipdelimiters][/then][else], .[/else][/if][/text][!] >[/!][math show=f]flipwordsx=[countwords delimiters=[flipwordsd]][interpret][[flipwords]][/interpret][/countwords][/math] >[!] >[/!][math show=f]flipwordsy=[flipwordsx]+1[/math][!] >[/!][listwords words=[interpret][[flipwords]][/interpret]&delimiters=[flipwordsd]][!] >[/!] [math show=f]flipwordsy=[flipwordsy]-1[/math][!] >[/!] [text show=t]flipwords[flipwordsy]=[word][delimiter][/text][!] >[/!][/listwords][!] >[/!][text][flipwords]=[loop start=1&end=[flipwordsx]][interpret][flipwords[index]][/interpret][/loop][/text] >[!] >[/!][/showif][!] >[/!][/showif][!] >[/!][/showif] >------ > >------------------------------------------------------------- >This message is sent to you because you are subscribed to > the mailing list . >To unsubscribe, E-mail to: >To switch to the DIGEST mode, E-mail to >Web Archive of this list is at: http://search.smithmicro.com/ ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://search.smithmicro.com/
Gene Beljaeff
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