Readline while line do something process the line

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Unformatted text preview: .read(<n>) – will read n characters from a file. If n is not specified it will read the enWre file. infile.read(4) will read 4 characters from a file 2. infile.readline() will read one line from the file line = infile.readline() while line != ‘ ‘: # do something process the line… # get the next line line = infile.readline() 3. Use a for loop (example on next slide) 4 CMPUT174  ­ ­ References & Files Reading from a file: Using a for loop • Python offers a convenient abstrac9on of a computer file: we can access all lines in a files as a list open the file for reading close the file once you’re done 5 CMPUT174  ­ ­ References & Files The con9nue command • The con$nue command skips one step in the repeWWon (for or while loop) if the line is empty, skip to the next line • Remember: con$nue works with repeWWve tasks (not the if ­elif ­else construct) CMPUT174  ...
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This document was uploaded on 03/02/2014.

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