read file rust
document = 'document.txt'
file = open(document, 'r')
# 'r' can be replaced with:
# 'w' to write
# 'a' to append (add to the end)
# 'w+' makes a new file if one does not already exist of that name
# 'a+' is the same as 'w+' but it appends if the file does exist
##go to beginning of document
file.seek(0)
##print all lines in document, except empty lines:
for i in file:
k = i.strip()
print k
##close the file after you are done
file.close()
##this can temporarily open a file:
with open(document) as ur:
for i in ur:
k = i.strip()
print k
use std::env;
use std::fs;
fn main() {
// --snip--
let args: Vec<String> = env::args().collect();
let query = &args[1];
let filename = &args[2];
println!("Searching for {}", query);
println!("In file {}", filename);
let contents = fs::read_to_string(filename)
.expect("Something went wrong reading the file");
println!("With text:\n{}", contents);
}