Scheme read file line by line

Board index » scheme All times are UTC. Scott G. We might also want something like: define for-each-line-in-file filename proc with-input-from-file filename lambda for-each-line proc. Page 1 of 1. Read a text file line by line 3. How to read the x last lines of a text file 6. Detecting blank lines in text file read 7. Reading more than one line of input from a text file 8. Fortran read second number on a line in a comma delimited text file Read specific line from text file In addition to read-string , the R7RS sandard and its implementations also provide a read-bytevector function, which works the same way on binary files.

You can use it to read a binary file into a byte-vector. A final R7RS function to mention here is read-line , which reads a text file one at a time. Hence, if you wanted to read your file into a list of lines, like Python's readlines function, you can now implement a Scheme version of readlines like this:.

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Reading from file, using Scheme Ask Question. Asked 8 years, 8 months ago. Active 1 year, 4 months ago. Viewed 12k times. I tried to solve it using this code but I can't find a way to call the "read" until getting the end of file; define Project lambda fileName if null? Improve this question. GoZoner Barttttt Barttttt 1 1 gold badge 6 6 silver badges 14 14 bronze badges. Could you mention which Scheme you're using? Does this compile? Like Article. Python code to. Python program to. Get next line from file.

Attention geek! Strengthen your foundations with the Python Programming Foundation Course and learn the basics. Previous Reading and Writing to text files in Python. Recommended Articles. Article Contributed By :. The Scanner class can also read a file form InputStream. JavaTpoint offers too many high quality services. Mail us on [email protected] , to get more information about given services. Please mail your requirement at [email protected] Duration: 1 week to 2 week. Java Main Method System.

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