Data commit

Task/Text-processing-1/C/text-processing-1.c

@@ -0,0 +1,85 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+static int badHrs, maxBadHrs;
+
+static double hrsTot = 0.0;
+static int rdgsTot = 0;
+char bhEndDate[40];
+
+int mungeLine( char *line, int lno, FILE *fout )
+{
+    char date[40], *tkn;
+    int   dHrs, flag, hrs2, hrs;
+    double hrsSum;
+    int   hrsCnt = 0;
+    double avg;
+
+    tkn = strtok(line, ".");
+    if (tkn) {
+        int n = sscanf(tkn, "%s %d", &date, &hrs2);
+        if (n<2) {
+            printf("badly formated line - %d %s\n", lno, tkn);
+            return 0;
+        }
+        hrsSum = 0.0;
+        while( tkn= strtok(NULL, ".")) {
+            n = sscanf(tkn,"%d %d %d", &dHrs, &flag, &hrs);
+            if (n>=2) {
+                if (flag > 0) {
+                    hrsSum += 1.0*hrs2 + .001*dHrs;
+                    hrsCnt += 1;
+                    if (maxBadHrs < badHrs) {
+                        maxBadHrs = badHrs;
+                        strcpy(bhEndDate, date);
+                    }
+                    badHrs = 0;
+                }
+                else {
+                    badHrs += 1;
+                }
+                hrs2 = hrs;
+            }
+            else {
+                printf("bad file syntax line %d: %s\n",lno, tkn);
+            }
+        }
+        avg = (hrsCnt > 0)? hrsSum/hrsCnt : 0.0;
+        fprintf(fout, "%s  Reject: %2d  Accept: %2d  Average: %7.3f\n",
+                date, 24-hrsCnt, hrsCnt, hrsSum/hrsCnt);
+        hrsTot += hrsSum;
+        rdgsTot += hrsCnt;
+    }
+    return 1;
+}
+
+int main()
+{
+    FILE *infile, *outfile;
+    int lineNo = 0;
+    char line[512];
+    const char *ifilename = "readings.txt";
+    outfile = fopen("V0.txt", "w");
+
+    infile = fopen(ifilename, "rb");
+    if (!infile) {
+        printf("Can't open %s\n", ifilename);
+        exit(1);
+    }
+    while (NULL != fgets(line, 512, infile)) {
+        lineNo += 1;
+        if (0 == mungeLine(line, lineNo, outfile))
+            printf("Bad line at %d",lineNo);
+    }
+    fclose(infile);
+
+    fprintf(outfile, "File:     %s\n", ifilename);
+    fprintf(outfile, "Total:    %.3f\n", hrsTot);
+    fprintf(outfile, "Readings: %d\n", rdgsTot);
+    fprintf(outfile, "Average:  %.3f\n", hrsTot/rdgsTot);
+    fprintf(outfile, "\nMaximum number of consecutive bad readings is %d\n", maxBadHrs);
+    fprintf(outfile, "Ends on date %s\n", bhEndDate);
+    fclose(outfile);
+    return 0;
+}