how to read an entire text file from c program
.wp-block-code { border: 0; padding: 0; } .wp-block-code > div { overflow: auto; } .shcb-language { border: 0; clip: rect(1px, 1px, 1px, 1px); -webkit-clip-path: inset(50%); clip-path: inset(50%); height: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute; width: 1px; word-wrap: normal; word-break: normal; } .hljs { box-sizing: border-box; } .hljs.shcb-code-table { display: table; width: 100%; } .hljs.shcb-code-table > .shcb-loc { color: inherit; display: table-row; width: 100%; } .hljs.shcb-code-table .shcb-loc > span { display: table-cell; } .wp-block-code code.hljs:not(.shcb-wrap-lines) { white-space: pre; } .wp-block-code code.hljs.shcb-wrap-lines { white-space: pre-wrap; } .hljs.shcb-line-numbers { border-spacing: 0; counter-reset: line; } .hljs.shcb-line-numbers > .shcb-loc { counter-increment: line; } .hljs.shcb-line-numbers .shcb-loc > span { padding-left: 0.75em; } .hljs.shcb-line-numbers .shcb-loc::before { border-right: 1px solid #ddd; content: counter(line); display: table-cell; padding: 0 0.75em; text-align: right; -webkit-user-select: none; -moz-user-select: none; -ms-user-select: none; user-select: none; white-space: nowrap; width: 1%; } #include <stdio.h> int main() { char *filename = "readme.txt"; FILE *fp = fopen(filename, "r"); if (fp == NULL) { printf("Error: could not open file %s", filename); return 1; } // read one character at a time and // display it to the output char ch; while ((ch = fgetc(fp)) != EOF) putchar(ch); // close the file fclose(fp); return 0; }Code language: C++ (cpp)
