<snapdata remixID="12207538"><project name="list tracing" app="Snap! 7, https://snap.berkeley.edu" version="2"><notes></notes><thumbnail>data:image/png;base64,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</thumbnail><scenes select="1"><scene name="list tracing"><notes></notes><hidden></hidden><headers></headers><code></code><blocks><block-definition s="all but first letter of %&apos;string&apos;" type="reporter" category="operators"><comment x="0" y="0" w="199" collapsed="false">Takes a text string as input, and reports a new text string containing all but the first character of the input.</comment><header></header><code></code><translations>pt:_ sem o primeiro caractere&#xD;ca:_ sense la primera lletra&#xD;</translations><inputs><input type="%txt"></input></inputs><script><block s="doIf"><block s="reportIsA"><block var="string"/><l><option>list</option></l></block><script><block s="doReport"><block s="reportMap"><block s="reifyReporter"><autolambda><custom-block s="all but first letter of %txt"><l></l></custom-block></autolambda><list></list></block><block var="string"/></block></block></script></block><block s="doReport"><block s="reportJoinWords"><block s="reportCDR"><block s="reportTextSplit"><custom-block s="require nonempty %s %s"><block var="string"/><l>All but first of empty word.</l></custom-block><l><option>letter</option></l></block></block></block></block></script></block-definition><block-definition s="all but first word of %&apos;sentence&apos;" type="reporter" category="operators"><comment x="0" y="0" w="223.000001" collapsed="false">Takes a text string as input, divides it into words treating one or more spaces as a word separator (only spaces count; punctuation is part of the word) and reports a text string containing all but the first word, with one space between words and no spaces at the beginning or end. (Note: consider using SENTENCE➞LIST and processing the resulting list instead of doing recursion on sentences in text string form.  List operations are faster.)</comment><header></header><code></code><translations>pt:_ sem a primeira palavra&#xD;ca:_ sense la primera paraula&#xD;</translations><inputs><input type="%txt"></input></inputs><script><block s="doIf"><block s="reportIsA"><block var="sentence"/><l><option>list</option></l></block><script><block s="doIfElse"><block s="reportListIsEmpty"><block var="sentence"/></block><script><custom-block s="error %txt"><l>All but first of empty sentence.</l></custom-block></script><script><block s="doReport"><block s="reportCDR"><block var="sentence"/></block></block></script></block></script></block><block s="doReport"><custom-block s="list $arrowRight sentence %l"><block s="reportCDR"><custom-block s="require nonempty %s %s"><custom-block s="sentence $arrowRight list %txt"><block var="sentence"/></custom-block><l>All but first of empty sentence.</l></custom-block></block></custom-block></block></script></block-definition><block-definition s="all but last letter of %&apos;string&apos;" type="reporter" category="operators"><comment x="0" y="0" w="218" collapsed="false">Takes a text string as input, and reports a new text string containing all but the last letter of the input.</comment><header></header><code></code><translations>pt:_ sem o último caractere&#xD;ca:_ sense la darrera lletra&#xD;</translations><inputs><input type="%txt"></input></inputs><script><block s="doIf"><block s="reportIsA"><block var="string"/><l><option>list</option></l></block><script><block s="doReport"><block s="reportMap"><block s="reifyReporter"><autolambda><custom-block s="all but last letter of %txt"><l></l></custom-block></autolambda><list></list></block><block var="string"/></block></block></script></block><block s="doReport"><block s="reportJoinWords"><block s="reportListAttribute"><l><option>reverse</option></l><block s="reportCDR"><block s="reportListAttribute"><l><option>reverse</option></l><block s="reportTextSplit"><custom-block s="require nonempty %s %s"><block var="string"/><l>All but first of empty word.</l></custom-block><l><option>letter</option></l></block></block></block></block></block></block></script></block-definition><block-definition s="all but last word of %&apos;sentence&apos;" type="reporter" category="operators"><comment x="0" y="0" w="211.99999999999997" collapsed="false">Takes a text string as input, divides it into words treating one or more spaces as a word separator (only spaces count; punctuation is part of the word) and reports a text string containing all but the last word, with one space between words and no spaces at the beginning or end.  (Note: consider using SENTENCE-&gt;LIST and processing the resulting list instead of doing recursion on sentences in text string form.  List operations are faster.)</comment><header></header><code></code><translations>pt:_ sem a última palavra&#xD;ca:_ sense la darrera paraula&#xD;</translations><inputs><input type="%txt"></input></inputs><script><block s="doIf"><block s="reportIsA"><block var="sentence"/><l><option>list</option></l></block><script><block s="doIfElse"><block s="reportListIsEmpty"><block var="sentence"/></block><script><custom-block s="error %txt"><l>All but last of empty sentence.</l></custom-block></script><script><block s="doReport"><block s="reportListAttribute"><l><option>reverse</option></l><block s="reportCDR"><block s="reportListAttribute"><l><option>reverse</option></l><block var="sentence"/></block></block></block></block></script></block></script></block><block s="doReport"><custom-block s="list $arrowRight sentence %l"><block s="reportListAttribute"><l><option>reverse</option></l><block s="reportCDR"><block s="reportListAttribute"><l><option>reverse</option></l><custom-block s="require nonempty %s %s"><custom-block s="sentence $arrowRight list %txt"><block var="sentence"/></custom-block><l>All but last of empty sentence.</l></custom-block></block></block></block></custom-block></block></script></block-definition><block-definition s="first word of %&apos;sentence&apos;" type="reporter" category="operators"><comment x="0" y="0" w="236" collapsed="false">Takes a text string as input, divides it into words treating one or more spaces as a word separator (only spaces count; punctuation is part of the word) and reports a text string containing only the first word, with no spaces before or after it.</comment><header></header><code></code><translations>pt:a primeira palavra de _&#xD;ca:primera paraula de _&#xD;</translations><inputs><input type="%txt"></input></inputs><script><block s="doIfElse"><block s="reportIsA"><block var="sentence"/><l><option>list</option></l></block><script><block s="doIfElse"><block s="reportListIsEmpty"><block var="sentence"/></block><script><custom-block s="error %txt"><l>First of empty sentence.</l></custom-block></script><script><block s="doReport"><block s="reportListItem"><l>1</l><block var="sentence"/></block></block></script></block></script><script><block s="doReport"><block s="reportListItem"><l>1</l><custom-block s="require nonempty %s %s"><custom-block s="sentence $arrowRight list %txt"><block var="sentence"/></custom-block><l>First of empty sentence.</l></custom-block></block></block></script></block></script></block-definition><block-definition s="last letter of %&apos;word&apos;" type="reporter" category="operators"><comment x="0" y="0" w="260" collapsed="false">Takes a text string as input, and reports the last character in the string.</comment><header></header><code></code><translations>pt:o último caractere de _&#xD;ca:primera lletra de _&#xD;</translations><inputs><input type="%txt"></input></inputs><script><block s="doIf"><block s="reportIsA"><block var="word"/><l><option>list</option></l></block><script><block s="doReport"><block s="reportMap"><block s="reifyReporter"><autolambda><custom-block s="last letter of %txt"><l></l></custom-block></autolambda><list></list></block><block var="word"/></block></block></script></block><block s="doIf"><block s="reportEquals"><block s="reportStringSize"><block var="word"/></block><l>0</l></block><script><custom-block s="error %txt"><l>Last of empty word.</l></custom-block></script></block><block s="doReport"><block s="reportLetter"><block s="reportStringSize"><block var="word"/></block><block var="word"/></block></block></script></block-definition><block-definition s="last word of %&apos;sentence&apos;" type="reporter" category="operators"><comment x="0" y="0" w="262" collapsed="false">Takes a text string as input, divides it into words treating one or more spaces as a word separator (only spaces count; punctuation is part of the word) and reports a text string containing only the last word of the input, with no spaces before or after it.</comment><header></header><code></code><translations>pt:a última palavra de _&#xD;ca:darrera paraula de _&#xD;</translations><inputs><input type="%txt"></input></inputs><script><block s="doIf"><block s="reportIsA"><block var="sentence"/><l><option>list</option></l></block><script><block s="doIfElse"><block s="reportListIsEmpty"><block var="sentence"/></block><script><custom-block s="error %txt"><l>Last of empty sentence.</l></custom-block></script><script><block s="doReport"><block s="reportListItem"><l><option>last</option></l><block var="sentence"/></block></block></script></block></script></block><block s="doReport"><block s="reportListItem"><l><option>last</option></l><custom-block s="require nonempty %s %s"><custom-block s="sentence $arrowRight list %txt"><block var="sentence"/></custom-block><l>Last of empty sentence.</l></custom-block></block></block></script></block-definition><block-definition s="empty word? %&apos;word&apos;" type="predicate" category="operators"><comment x="0" y="0" w="208" collapsed="false">Takes a text string as input, and reports TRUE if the string has no characters in it of any kind, otherwise false.</comment><header></header><code></code><translations>pt:a palavra _ está vazia&#xD;ca:paraula buida? _&#xD;</translations><inputs><input type="%txt"></input></inputs><script><block s="doIf"><block s="reportIsA"><block var="word"/><l><option>list</option></l></block><script><block s="doReport"><block s="reportMap"><block s="reifyReporter"><autolambda><custom-block s="empty word? %txt"><l></l></custom-block></autolambda><list></list></block><block var="word"/></block></block></script></block><block s="doReport"><block s="reportEquals"><block s="reportStringSize"><block var="word"/></block><l>0</l></block></block></script></block-definition><block-definition s="empty sentence? %&apos;sentence&apos;" type="predicate" category="operators"><comment x="0" y="0" w="221" collapsed="false">Takes a text string as input, and reports TRUE if the input contains no characters other than spaces (therefore, no words when the string is considered as a sentence), otherwise FALSE.</comment><header></header><code></code><translations>pt:a frase _ está vazia&#xD;ca:frase buida? _&#xD;</translations><inputs><input type="%txt"></input></inputs><script><block s="doIf"><block s="reportIsA"><block var="sentence"/><l><option>list</option></l></block><script><block s="doReport"><block s="reportListIsEmpty"><block var="sentence"/></block></block></script></block><block s="doReport"><block s="reportListIsEmpty"><custom-block s="sentence $arrowRight list %txt"><block var="sentence"/></custom-block></block></block></script></block-definition><block-definition s="join words %&apos;words&apos;" type="reporter" category="operators"><comment x="0" y="0" w="230.66666666666666" collapsed="false">Like JOIN, takes any number of words (text strings) and reports a sentence with its inputs concatenated, but inserts a blank space between the inputs.&#xD;Consider using SENTENCE (Lists palette) instead.</comment><header></header><code></code><translations>de:füge Wörter zusammen _&#xD;ca:uneix les paraules _&#xD;es:unir las palabras _&#xD;fr:fusionne les mots _&#xD;pt:uma frase com as palavras _&#xD;</translations><inputs><input type="%mult%txt"></input></inputs><script><block s="doIf"><block s="reportListIsEmpty"><block var="words"/></block><script><block s="doReport"><l></l></block></script></block><block s="doDeclareVariables"><list><l>first</l><l>bf</l></list></block><block s="doSetVar"><l>first</l><block s="reportIfElse"><block s="reportIsA"><block s="reportListItem"><l>1</l><block var="words"/></block><l><option>list</option></l></block><custom-block s="join words %mult%txt"><block s="reportListItem"><l>1</l><block var="words"/></block></custom-block><block s="reportListItem"><l>1</l><block var="words"/></block></block></block><block s="doSetVar"><l>bf</l><custom-block s="join words %mult%txt"><block s="reportCDR"><block var="words"/></block></custom-block></block><block s="doIf"><custom-block s="empty sentence? %txt"><block var="bf"/></custom-block><script><block s="doReport"><block var="first"/></block></script></block><block s="doIf"><custom-block s="empty sentence? %txt"><block var="first"/></custom-block><script><block s="doReport"><block var="bf"/></block></script></block><block s="doReport"><block s="reportJoinWords"><list><block var="first"/><l> </l><block var="bf"/></list></block></block></script></block-definition><block-definition s="list $arrowRight sentence %&apos;data&apos;" type="reporter" category="operators"><comment x="0" y="0" w="165.33333333333334" collapsed="false">Takes a sentence in list form and reports the sentence as a text string.</comment><header></header><code></code><translations>de:Liste $arrowRight Satz _&#xD;ca:llista $arrowRight frase _&#xD;es:lista $arrowRight frase _&#xD;fr:liste $arrowRight phrase _&#xD;pt:uma frase com as palavras em _&#xD;</translations><inputs><input type="%l"></input></inputs><script><block s="doReport"><custom-block s="join words %mult%txt"><block var="data"/></custom-block></block></script></block-definition><block-definition s="sentence $arrowRight list %&apos;text&apos;" type="reporter" category="operators"><comment x="0" y="0" w="196" collapsed="false">Takes a sentence in text string form and reports the sentence as a list of its words.</comment><header></header><code></code><translations>de:Satz $arrowRight Liste _&#xD;ca:frase $arrowRight llista _&#xD;es:frase $arrowRight lista _&#xD;fr:phrase $arrowRight liste _&#xD;pt:uma lista com as palavras da frase _&#xD;</translations><inputs><input type="%txt"></input></inputs><script><block s="doReport"><block s="reportKeep"><block s="reifyPredicate"><autolambda><block s="reportNot"><block s="reportEquals"><block s="reportStringSize"><l></l></block><l>0</l></block></block></autolambda><list></list></block><block s="reportTextSplit"><block var="text"/><l><option>word</option></l></block></block></block></script></block-definition><block-definition s="word $arrowRight list %&apos;word&apos;" type="reporter" category="operators"><comment x="0" y="0" w="146.42857142857144" collapsed="false">report a list in which each item is one letter from the input word</comment><header></header><code></code><translations>de:Wort $arrowRight Liste _&#xD;ca:paraula $arrowRight llista _&#xD;es:palabra $arrowRight lista _&#xD;fr:mot $arrowRight liste _&#xD;pt:uma lista com os caracteres da palavra _&#xD;</translations><inputs><input type="%txt"></input></inputs><script><block s="doIf"><block s="reportIsA"><block var="word"/><l><option>list</option></l></block><script><block s="doReport"><block s="reportMap"><block s="reifyReporter"><autolambda><custom-block s="word $arrowRight list %txt"><l></l></custom-block></autolambda><list></list></block><block var="word"/></block></block></script></block><block s="doReport"><block s="reportTextSplit"><block var="word"/><l><option>letter</option></l></block></block></script></block-definition><block-definition s="list $arrowRight word %&apos;list&apos;" type="reporter" category="operators"><comment x="0" y="0" w="158.57142857142858" collapsed="false">join all the items of the input list&#xD;into a single word, and report it</comment><header></header><code></code><translations>de:Liste $arrowRight Wort _&#xD;ca:llista $arrowRight paraula _&#xD;es:lista $arrowRight palabra _&#xD;fr:liste $arrowRight mot _&#xD;pt:uma palavra com os caracteres em _&#xD;</translations><inputs><input type="%l"></input></inputs><script><block s="doIf"><block s="reportListIsEmpty"><block var="list"/></block><script><block s="doReport"><block var="list"/></block></script></block><block s="doIf"><block s="reportEquals"><block s="reportFindFirst"><block s="reifyPredicate"><autolambda><block s="reportIsA"><l></l><l><option>list</option></l></block></autolambda><list></list></block><block var="list"/></block><l></l></block><script><block s="doReport"><block s="reportJoinWords"><block var="list"/></block></block></script></block><block s="doReport"><block s="reportMap"><block s="reifyReporter"><autolambda><block s="reportIfElse"><block s="reportIsA"><l></l><l><option>list</option></l></block><block s="reportNewList"><list><custom-block s="list $arrowRight word %l"><l/></custom-block></list></block><l></l></block></autolambda><list></list></block><block var="list"/></block></block></script></block-definition><block-definition s="sentence %&apos;phrase&apos;" type="reporter" category="lists"><comment x="0" y="0" w="302.6666666666667" collapsed="false">SENTENCE is the main constructor for sentences, represented&#xD;as lists of words.  It takes zero or more inputs, each of which can&#xD;be either a list or a text string.  If a list, the input is assumed to be&#xD;a list of words.  If a text string, it is converted to a list of words using&#xD;SENTENCE→LIST.  Then all the lists of words are appended to form a new list of words.&#xD;&#xD;If the inputs are lists of lists rather than lists of words, SENTENCE,&#xD;like APPEND, does only one level of flattening, reporting a list of&#xD;all the items of all the input lists.</comment><header></header><code></code><translations>ca:frase _&#xD;</translations><inputs><input type="%mult%s"></input></inputs><script><block s="doReport"><block s="reportConcatenatedLists"><block s="reportMap"><block s="reifyReporter"><autolambda><block s="reportIfElse"><block s="reportIsA"><l></l><l><option>list</option></l></block><l></l><custom-block s="sentence $arrowRight list %txt"><l></l></custom-block></block></autolambda><list></list></block><block var="phrase"/></block></block></block></script></block-definition><block-definition s="error %&apos;msg&apos;" type="command" category="control"><header></header><code></code><translations>pt:lança o erro _&#xD;</translations><inputs><input type="%txt"></input></inputs><script><block s="doApplyExtension"><l>err_error(msg)</l><list><block var="msg"/></list></block></script></block-definition><block-definition s="printable %&apos;data&apos;" type="reporter" category="lists"><comment x="0" y="0" w="188.66666666666666" collapsed="false">Takes a (possibly deep) list as input,&#xD;and reports a human-readable text form &#xD;of the list (namely, Lisp notation).</comment><header></header><code></code><translations>ca:notació textual de _&#xD;</translations><inputs><input type="%l"></input></inputs><script><block s="doIf"><block s="reportNot"><block s="reportIsA"><block var="data"/><l><option>list</option></l></block></block><script><block s="doReport"><block var="data"/></block></script></block><block s="doIf"><block s="reportListIsEmpty"><block var="data"/></block><script><block s="doReport"><l>()</l></block></script></block><block s="doReport"><block s="reportJoinWords"><list><l>(</l><block s="reportCombine"><block s="reportMap"><block s="reifyReporter"><autolambda><custom-block s="printable %l"><l/></custom-block></autolambda><list></list></block><block var="data"/></block><block s="reifyReporter"><autolambda><block s="reportJoinWords"><list><l></l><l> </l><l></l></list></block></autolambda><list></list></block></block><l>)</l></list></block></block></script></block-definition><block-definition s="require nonempty %&apos;text&apos; %&apos;message&apos;" type="reporter" category="operators" helper="true"><comment x="0" y="0" w="220" collapsed="false">Helper function for word/sentence library.&#xD;Reports its first input, unless that input is empty, in which case it gives its second input as an error message.</comment><header></header><code></code><translations></translations><inputs><input type="%s"></input><input type="%s"></input></inputs><script><block s="doIfElse"><block s="reportIfElse"><block s="reportIsA"><block var="text"/><l><option>list</option></l></block><block s="reportListIsEmpty"><block var="text"/></block><block s="reportEquals"><block s="reportStringSize"><block var="text"/></block><l>0</l></block></block><script><custom-block s="error %txt"><block var="message"/></custom-block></script><script><block s="doReport"><block var="text"/></block></script></block></script></block-definition><block-definition s="first letter of %&apos;word&apos;" type="reporter" category="operators"><comment x="0" y="0" w="260" collapsed="false">Takes a text string as input, and reports the first character in the string.</comment><header></header><code></code><translations>pt:a primeira palavra de _&#xD;ca:primera lletra de _&#xD;</translations><inputs><input type="%txt"></input></inputs><script><block s="doIfElse"><block s="reportIsA"><block var="word"/><l><option>list</option></l></block><script><block s="doReport"><block s="reportMap"><block s="reifyReporter"><autolambda><custom-block s="first letter of %txt"><l></l></custom-block></autolambda><list></list></block><block var="word"/></block></block></script><script><block s="doReport"><block s="reportLetter"><l>1</l><custom-block s="require nonempty %s %s"><block var="word"/><l>First of empty word.</l></custom-block></block></block></script></block></script></block-definition></blocks><stage name="Stage" width="480" height="360" costume="0" color="255,255,255,1" tempo="60" threadsafe="false" penlog="false" volume="100" pan="0" lines="round" ternary="false" hyperops="true" codify="false" inheritance="true" sublistIDs="false" 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