DEV Community: aiana-exe

Answer: What does %[^\n]

aiana-exe — Thu, 19 Nov 2020 07:03:19 +0000

answer re: What does %[^\n] mean in C?

Sep 11 '16

[^\n] is a kind of regular expression.

[...]: it matches a nonempty sequence of characters from the scanset (a set of characters given by ...).
^ means that the scanset is "negated": it is given by its complement.
^\n: the scanset is all characters except \n…

Open Full Answer

result = fscanf(fp, "%[^\n]%c", ap->name); The %c specifier

aiana-exe — Thu, 19 Nov 2020 06:38:50 +0000

answer re: fscanf problem with reading in String

Dec 12 '09

One problem with this:

result = fscanf(fp, "%[^\n]s", ap->name);

is that you have an extra s at the end of your format specifier. The entire format specifier should just be %[^\n], which says "read in a string which consists of characters which are not newlines". The extra s is…

Open Full Answer

Answer: C Read until end of file

aiana-exe — Wed, 18 Nov 2020 17:14:54 +0000

answer re: C Read until end of file

Oct 27 '11

Something like

while (fscanf(f, "   %s   ", &etc) != EOF) {

}

Then use feof(f) to check if it was a fscanf error or actually EOF.

Open Full Answer

DEV Community: aiana-exe

Answer: What does %[^\n]

answer re: What does %[^\n] mean in C?

result = fscanf(fp, "%[^\n]%*c", ap->name); The %*c specifier

answer re: fscanf problem with reading in String

Answer: C Read until end of file

answer re: C Read until end of file

result = fscanf(fp, "%[^\n]%c", ap->name); The %c specifier