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Multiple standard input? How?

Fresh5 days ago
Mar 15, 202616569 views
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Problem

From this commandlinefu post: Seems like multiple standard inputs but---if I remember my Linux Porgramming course correctly---this can't be it. I thought that, by definition, standard input was one stream. Perhaps this has zilch to do with stdin? Can someone explain this to me; maybe provide links …

Error Output

$ diff <(wget -q -O - URL1) <(wget -q -O - URL2)

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Fix for: Multiple standard input? How?

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This isn't multiple standard input. This is a bash'ism that called 'Process Substitution' http://tldp.org/LDP/abs/html/process-sub.html It creates a pseudo file ( ) for each substitution. It's pretty useful. The command can only read as a stream, me…

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