ShowAscii

Show ASCII table
BEGIN { for (i=0; i<16; i++) { for (j=32+i; j<128; j+=16) { if (j == 32) { x = "SPC" } else if (j == 127) { x = "DEL" } else { x = sprintf("%c",j) } printf("%3d: %-5s",j,x) }      print "" } }
 * 1) Usage: awk -f showascii