git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@8604 f3b2605a-c512-4ea7-a41b-209d697bcdaa

examples/COUPLE/library/files.cpp

@@ -0,0 +1,48 @@
+#include "stdio.h"
+#include "string.h"
+#include "files.h"
+
+#define MAXLINE 256
+
+/* ---------------------------------------------------------------------- */
+
+void replace(char *file, char *header, int n, char **lines)
+{
+  FILE *fpr = fopen(file,"r");
+  FILE *fpw = fopen("tmp.file","w");
+
+  char line[MAXLINE];
+  while (fgets(line,MAXLINE,fpr)) {
+    if (strstr(line,header)) {
+      fprintf(fpw,"%s",line);
+      for (int i = 0; i < n; i++) {
+	fgets(line,MAXLINE,fpr);
+	fprintf(fpw,"%s",lines[i]);
+      }
+    } else fprintf(fpw,"%s",line);
+  }
+
+  fclose(fpr);
+  fclose(fpw);
+  rename("tmp.file",file);
+}
+
+/* ---------------------------------------------------------------------- */
+
+char **extract(char *file, char *header, int n, char **lines)
+{
+  FILE *fp = fopen(file,"r");
+
+  char line[MAXLINE];
+  while (fgets(line,MAXLINE,fp)) {
+    if (strstr(line,header)) {
+      for (int i = 0; i < n; i++) {
+	fgets(line,MAXLINE,fp);
+	sprintf(lines[i],"%s",line);
+      }
+      break;
+    }
+  }
+
+  fclose(fp);
+}