Question : how to read the first line in a file python
Answered by : weary-whale-994bobywfvqv
f = open("test.txt", 'r')
variable = f.readline(1)
print(variable)Source : | Last Update : Sat, 06 Jun 20
Question : reading in lines from a file java
Answered by : open-oryx-64l4n0lo6v7u
private ArrayList<String> readFileLines(String filepath) throws FileNotFoundException, IOException{ File fp = new File(filepath); FileReader fr = new FileReader(fp); BufferedReader br = new BufferedReader(fr); ArrayList<String> lines = new ArrayList<>(); String line; while((line = br.readLine()) != null) { lines.add(line); } fr.close(); return lines;
}Source : | Last Update : Sat, 04 Apr 20
Question : python write a list to a file line by line
Answered by : charming-caribou-khynop2559q4
# attempt #1
f = open("Bills.txt", "w")
f.write("\n".join(map(lambda x: str(x), bill_List)))
f.close()
# attempt #2
# Open a file in write mode
f = open('Bills.txt', 'w')
for item in bill_List:
f.write("%s\n" % item)
# Close opend file
f.close()
# attempt #3
with open('Bills.txt', 'w') as f:
for s in bill_List: f.write(s + '\n')
with open('Bills.txt', 'r') as f:
bill_List = [line.rstrip('\n') for line in f]
# attempt #4
with open('Bills.txt', 'w') as out_file:
out_file.write('\n'.join( bill_List)) Source : https://stackoverflow.com/questions/41503433/python-write-list-to-file-line-by-line | Last Update : Thu, 02 Apr 20
Question : read only the first line python
Answered by : weary-sloth
""" Read only the first line of a file """
with open('file.txt') as f: first_line = f.readline() print(first_line)
""" or """
f = open ('file.txt', 'r')
first_line = f.readline()
print (first_line)Source : | Last Update : Tue, 22 Dec 20
Question : get first line of file python
Answered by : tt
with open('myfile.txt') as f: first_line = f.readline()Source : https://stackoverflow.com/questions/1904394/read-only-the-first-line-of-a-file | Last Update : Thu, 26 Nov 20
Question : how to read first lines of a file
Answered by : hungry-hamster-6hy06bc9rezt
with open("datafile") as myfile: head = [next(myfile) for x in range(N)]
print(head)Source : https://stackoverflow.com/questions/1767513/how-to-read-first-n-lines-of-a-file | Last Update : Tue, 17 Aug 21