Shell Programming and Scripting

awk '{ printf("%.1f\n", ($6*64)/1024); }'

lsvg $i | awk '/TOTAL PP/ { printf("%.1f", ($6*64)/1024); }'

lsvg $i | awk -v VG="$i" '
# Execute this code for lines matching TOTAL PP
/TOTAL PP/ { TPP=$6 }
# Execute this code for lines matching FREE PP
/FREE PP/ { FPP=$6 }
# Execute this code after all lines are read
END {
        TPP=(TPP*64)/1024;
        FPP=(FPP*64)/1024;
        printf("VG Name: %s Total VG Size: %.1f Free VG Size: %.1f\n", VG, TPP, FPP);
}'

lsvg $(lsvg) | awk '/^VOLUME GROUP/ { printf "%s ", $3 } /PP SIZE/ { S=$6 }
/TOTAL PPs/ { printf "%d ", $6*S/1024 }
/FREE PPs/ { print $6*S/1024 }
'
rootvg 136 18

lsvg $i | awk -v VG="$i" '
# Execute this code for lines matching TOTAL PP
/TOTAL PP/ { TPP=$6 }
# Execute this code for lines matching FREE PP
/FREE PP/ { FPP=$6 }
# You know the drill by now
/PP SIZE/ { S=$6 }
# Execute this code after all lines are read
END {
        TPP=(TPP*S)/1024;
        FPP=(FPP*S)/1024;
        printf("VG Name: %s Total VG Size: %.1f Free VG Size: %.1f\n", VG, TPP, FPP);
}'

lsvg | while read VG; do
  lsvg $VG ...
...
done