Generate xyz file from kpoint file

util/kpgen/getkpdat.sh

 #!/bin/bash
-awk '/kpoint/ {print $3,$4,$5}' $1
+# generate an xyz file from a k-point input file
+awk '/k-points/ { printf("%d\n\n", $2) } \
+     /b0/ { b0x=$3; b0y=$4; b0z=$5 } \
+     /b1/ { b1x=$3; b1y=$4; b1z=$5 } \
+     /b2/ { b2x=$3; b2y=$4; b2z=$5 } \
+     /kpoint add/ { \
+        kx=$3*b0x+$4*b1x+$5*b2x; \
+        ky=$3*b0y+$4*b1y+$5*b2y; \
+        kz=$3*b0z+$4*b1z+$5*b2z; \
+        printf("H %10.4f %10.4f %10.4f\n",kx,ky,kz)}' $1