{"id":6712,"date":"2026-02-09T13:13:40","date_gmt":"2026-02-09T13:13:40","guid":{"rendered":"https:\/\/futureschoolead.com.br\/2026\/?p=6712"},"modified":"2026-02-09T13:13:40","modified_gmt":"2026-02-09T13:13:40","slug":"aula-05-loops-em-rexx","status":"publish","type":"post","link":"https:\/\/futureschoolead.com.br\/2026\/2026\/02\/09\/aula-05-loops-em-rexx\/","title":{"rendered":"Aula 05 &#8211; Loops em REXX"},"content":{"rendered":"<p style=\"text-align: center;\"><strong>Loops REXX: A Arte da Repeti\u00e7\u00e3o Inteligente<\/strong><br \/>\nDO, WHILE, FOREVER &#8211; Automatize qualquer tarefa repetitiva<\/p>\n<p><iframe loading=\"lazy\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/yfzdsZJ5scs?si=jSKLDfOGFC5MPS1h\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p class=\"ds-markdown-paragraph\">&#x27bf;\u00a0<strong>Tipos de loops:<\/strong><\/p>\n<ol start=\"1\">\n<li><strong>DO simples (contador):<\/strong><\/li>\n<\/ol>\n<div class=\"md-code-block md-code-block-light\">\n<div class=\"md-code-block-banner-wrap\">\n<div class=\"md-code-block-banner md-code-block-banner-lite\">\n<pre class=\"_121d384\"><span class=\"d813de27\">rexx<\/span><\/pre>\n<\/div>\n<\/div>\n<pre>\/* Contar de 1 a 10 *\/\r\nDO i = 1 TO 10\r\n  SAY 'Itera\u00e7\u00e3o' i\r\nEND<\/pre>\n<\/div>\n<ol start=\"2\">\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>DO WHILE (enquanto verdade):<\/strong><\/p>\n<\/li>\n<\/ol>\n<div class=\"md-code-block md-code-block-light\">\n<div class=\"md-code-block-banner md-code-block-banner-lite\">\n<div class=\"_121d384\">\n<pre class=\"d2a24f03\"><span class=\"d813de27\">rexx<\/span><\/pre>\n<\/div>\n<\/div>\n<pre>\/* Loop com condi\u00e7\u00e3o no in\u00edcio *\/\r\ncontador = 1\r\nDO WHILE contador &lt;= 5\r\n  SAY 'Executando...' contador\r\n  contador = contador + 1\r\nEND<\/pre>\n<\/div>\n<ol start=\"3\">\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>DO UNTIL (at\u00e9 que verdade):<\/strong><\/p>\n<\/li>\n<\/ol>\n<div class=\"md-code-block md-code-block-light\">\n<div class=\"md-code-block-banner-wrap\">\n<div class=\"md-code-block-banner md-code-block-banner-lite\">\n<div class=\"_121d384\">\n<pre class=\"d2a24f03\"><span class=\"d813de27\">rexx<\/span><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<pre>\/* Loop com condi\u00e7\u00e3o no final *\/\r\ncontador = 0\r\nDO UNTIL contador &gt;= 3\r\n  SAY 'Digite um valor (0 para sair):'\r\n  PULL valor\r\n  contador = contador + 1\r\nEND<\/pre>\n<\/div>\n<ol start=\"4\">\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>DO FOREVER (infinito com sa\u00edda controlada):<\/strong><\/p>\n<\/li>\n<\/ol>\n<div class=\"md-code-block md-code-block-light\">\n<div class=\"md-code-block-banner-wrap\">\n<div class=\"md-code-block-banner md-code-block-banner-lite\">\n<div class=\"_121d384\">\n<pre class=\"d2a24f03\"><span class=\"d813de27\">rexx<\/span><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<pre>\/* Menu principal de sistema *\/\r\nDO FOREVER\r\n  SAY '=== MENU PRINCIPAL ==='\r\n  SAY '1. Processar'\r\n  SAY '2. Relat\u00f3rio'\r\n  SAY '3. Sair'\r\n  PULL opcao\r\n  \r\n  IF opcao = 3 THEN LEAVE  \/* Sai do loop *\/\r\n  \r\n  \/* Processa op\u00e7\u00e3o *\/\r\n  SELECT\r\n    WHEN opcao = 1 THEN SAY 'Processando...'\r\n    WHEN opcao = 2 THEN SAY 'Gerando relat\u00f3rio...'\r\n    OTHERWISE SAY 'Op\u00e7\u00e3o inv\u00e1lida'\r\n  END\r\nEND\r\nSAY 'Programa encerrado.'<\/pre>\n<\/div>\n<p class=\"ds-markdown-paragraph\"><strong>&#x1f527; Exemplo pr\u00e1tico &#8211; Processar arquivo:<\/strong><\/p>\n<div class=\"md-code-block md-code-block-light\">\n<div class=\"md-code-block-banner-wrap\">\n<div class=\"md-code-block-banner md-code-block-banner-lite\">\n<div class=\"_121d384\">\n<pre class=\"d2a24f03\"><span class=\"d813de27\">rexx<\/span><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<pre>\/* Simulando leitura de arquivo *\/\r\nlinhas = 5  \/* Suponha que temos 5 linhas *\/\r\n\r\nSAY 'Processando' linhas 'linhas...'\r\nDO i = 1 TO linhas\r\n  SAY 'Processando linha' i\r\n  \/* Aqui viria c\u00f3digo real de processamento *\/\r\n  IF i = 3 THEN ITERATE  \/* Pula a linha 3 *\/\r\n  SAY 'Linha' i 'processada com sucesso.'\r\nEND\r\nSAY 'Processamento completo!'<\/pre>\n<\/div>\n<p class=\"ds-markdown-paragraph\"><strong>&#x26a1; Dicas profissionais:<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Use\u00a0<code>LEAVE<\/code>\u00a0para sair antecipadamente de um loop<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Use\u00a0<code>ITERATE<\/code>\u00a0para pular para pr\u00f3xima itera\u00e7\u00e3o<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Evite loops infinitos acidentais<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Sempre teste condi\u00e7\u00f5es de sa\u00edda<\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><strong>CTA:<\/strong>\u00a0&#x1f449; Agora falta aprender a manipular textos como um expert!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Loops REXX: A Arte da Repeti\u00e7\u00e3o Inteligente DO, WHILE, FOREVER &#8211; Automatize qualquer tarefa repetitiva &#x27bf;\u00a0Tipos de loops: DO simples (contador): rexx \/* Contar de 1 a 10 *\/ DO i = 1 TO 10 SAY &#8216;Itera\u00e7\u00e3o&#8217; i END DO WHILE (enquanto verdade): rexx \/* Loop com condi\u00e7\u00e3o no in\u00edcio *\/ contador = 1 DO [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6713,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32,42,43],"tags":[59,64,61,63,49,58,60,46,65,62],"class_list":["post-6712","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-mainframe","category-rexx","tag-arte","tag-automatize","tag-do","tag-forever","tag-inteligente","tag-loops","tag-repeticao","tag-rexx","tag-tarefa-repetitiva","tag-while"],"_links":{"self":[{"href":"https:\/\/futureschoolead.com.br\/2026\/wp-json\/wp\/v2\/posts\/6712","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/futureschoolead.com.br\/2026\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/futureschoolead.com.br\/2026\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/futureschoolead.com.br\/2026\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/futureschoolead.com.br\/2026\/wp-json\/wp\/v2\/comments?post=6712"}],"version-history":[{"count":1,"href":"https:\/\/futureschoolead.com.br\/2026\/wp-json\/wp\/v2\/posts\/6712\/revisions"}],"predecessor-version":[{"id":6714,"href":"https:\/\/futureschoolead.com.br\/2026\/wp-json\/wp\/v2\/posts\/6712\/revisions\/6714"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/futureschoolead.com.br\/2026\/wp-json\/wp\/v2\/media\/6713"}],"wp:attachment":[{"href":"https:\/\/futureschoolead.com.br\/2026\/wp-json\/wp\/v2\/media?parent=6712"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/futureschoolead.com.br\/2026\/wp-json\/wp\/v2\/categories?post=6712"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/futureschoolead.com.br\/2026\/wp-json\/wp\/v2\/tags?post=6712"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}