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$read » History » Version 1

Per Amundsen, 08/14/2015 01:30 PM

1 1 Per Amundsen
_Added in 1.9.0_
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*$read(filename, [ntswrp], [matchtext], [N])*
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Returns a single line of text from a file.
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_See also [[$readn]]._
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*Parameters*
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filename - Filename to read.
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[ntswrp] - (optional)
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<pre>
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n - Don't evaluate any identifiers in the line.
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t - Treat the first line as a plain text, even if it's a number.
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s - Search for matchtext.
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w - Search for matchtext as a wildmatch.
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r - Search for matchtext as a regular expression.
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p - Treat command | separators as such instead of as plain text.
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</pre>
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[matchtext] - Matchtext to search. (optional)
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[N] - The Nth line.
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*Example*
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<pre>
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; Prints a random line from the file 'file.txt'.
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//echo $read(file.txt)
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; Prints line '10' from the file 'file,txt.
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//echo $read(file.txt, 10)
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; Searches file 'file,txt for a line beginning with the text 'Hello World' and prints the text following the match value.
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//echo $read(file.txt, s, Hello World)
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; Searches file 'file.txt' for a line matching the wildmatch '*Hello World*' and prints it.
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//echo $read(file.txt, w, *Hello World*)
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</pre>