A tool for only printing the first few columns

git-svn-id: file:///svn/tokudb@1983 c7de825b-a66e-492c-adef-691d508d4ae1

newbrt/hclip.c

+// Clip horizontally (100 chars by default)
+#include <stdio.h>
+#include <stdlib.h>
+int main (int argc, char *argv[]) {
+    int targcol=100;
+    int c;
+    int col=0;
+    if (argc>1) {
+	targcol=atoi(argv[1]);
+    }
+    while ((c=getchar())!=EOF) {
+	if (c=='\n') { col=0; putchar(c); }
+	else if (col==targcol) { col++; printf("..."); }
+	else if (col>targcol) { col++; }
+	else { col++; putchar(c); }
+    }
+    return 0;
+}