{"id":8525,"date":"2022-09-14T02:53:02","date_gmt":"2022-09-13T21:23:02","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-how-to-do-2-commands-at-the-same-time-using-batch\/"},"modified":"2022-09-14T02:53:02","modified_gmt":"2022-09-13T21:23:02","slug":"solved-how-to-do-2-commands-at-the-same-time-using-batch","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-how-to-do-2-commands-at-the-same-time-using-batch\/","title":{"rendered":"[Solved] How to do 2 commands at the same time using batch"},"content":{"rendered":"

[ad_1]
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With if exist<\/code> use the variableNAME, not the variable itself (no %<\/code>)<\/p>\n

Your line <\/p>\n

if not defined %answer% echo Not an acceptable answer & goto READYTOBEGIN?\n<\/code><\/pre>\n
is parsed (because %answer%<\/code> is empty) as:<\/p>\n
if not defined echo Not an acceptable answer & goto READYTOBEGIN?\n<\/code><\/pre>\n
echo<\/code> is also not defined (probably), so the command to be executed is Not<\/code> – which leads to an error “command not found”.
\nIf it is<\/strong> defined, there’s no error, but that’s not much better. Let’s assume, the user entered hello<\/code>, then the line gets parsed as:<\/p>\n
if not defined hello echo Not an acceptable answer & goto READYTOBEGIN?\n<\/code><\/pre>\n
The variable hello<\/code> is probably not defined, but it might be – so you have an unpredictable behaviour.<\/p>\n
The correct syntax for your line would be:<\/p>\n
if not defined answer echo Not an acceptable answer & goto READYTOBEGIN?\n<\/code><\/pre>\n
What do you do, when the user enters for example qwertzui<\/code>? answer<\/code> is defined, so the echo<\/code> and goto<\/code> are being ignored. Better omit the last if<\/code> completeley and replace the line with just:<\/p>\n
echo Not an acceptable answer & goto READYTOBEGIN?\n<\/code><\/pre>\n
so it fires, if answer<\/code> is either not defined or didn’t get catched with the previous if<\/code>s<\/p>\n<\/p><\/div>\n
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            <\/span> <\/p><\/div>\n<\/div>\n
[ad_2]<\/p>\n
solved How to do 2 commands at the same time using batch <\/p>\n","protected":false},"excerpt":{"rendered":"
[ad_1] With if exist use the variableNAME, not the variable itself (no %) Your line if not defined %answer% echo Not an acceptable answer & goto READYTOBEGIN? is parsed (because %answer% is empty) as: if not defined echo Not an acceptable answer & goto READYTOBEGIN? echo is also not defined (probably), so the command to … Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[775,776],"class_list":["post-8525","post","type-post","status-publish","format-standard","hentry","category-solved","tag-batch-file","tag-cmd"],"yoast_head":"\n[Solved] How to do 2 commands at the same time using batch - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-how-to-do-2-commands-at-the-same-time-using-batch\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] How to do 2 commands at the same time using batch - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] With if exist use the variableNAME, not the variable itself (no %) Your line if not defined %answer% echo Not an acceptable answer & goto READYTOBEGIN? is parsed (because %answer% is empty) as: if not defined echo Not an acceptable answer & goto READYTOBEGIN? echo is also not defined (probably), so the command to ... 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