Copy stdin to stdout: Difference between revisions
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(Added XPL0 example.) |
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loop until asc(left(s,1))=26 |
loop until asc(left(s,1))=26 |
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</lang> |
</lang> |
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=={{header|Wren}}== |
=={{header|Wren}}== |
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In the following script, stdin and stdout are both assumed to be connected to a terminal. |
In the following script, stdin and stdout are both assumed to be connected to a terminal. |
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Stdin.isRaw = false</lang> |
Stdin.isRaw = false</lang> |
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=={{header| |
=={{header|XPL0}}== |
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Device 1 is stdin without echoing a character to the screen. Device 0 (or 1) is |
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In the following script, stdin and stdout are both assumed to be connected to a terminal. |
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stdout, which displays the character on the monitor. This program can |
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list a file to the screen like this: stdio <file.txt |
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Bytes are read from stdin and written to stdout until the return key is pressed. |
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<lang XPL0>int C; |
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<lang ecmascript>import "io" for Stdin, Stdout |
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loop [C:= ChIn(1); |
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if C = $1A \EOF\ then quit; |
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Stdin.isRaw = true // prevents echoing to the terminal |
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ChOut(0, C); |
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while (true) { |
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]</lang> |
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var byte = Stdin.readByte() // read a byte from stdin |
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if (byte == 13) break // break when enter key pressed |
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System.write(String.fromByte(byte)) // write the byte (in string form) to stdout |
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Stdout.flush() // flush output |
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} |
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System.print() |
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Stdin.isRaw = false</lang> |
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=={{header|zkl}}== |
=={{header|zkl}}== |
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