awk script to show ASCII table

ascii _table.sh

#!/bin/sh
# sourcs: https://techhub.social/@linuxgal/115471602454624615
awk '
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 (0x%02X): %-5s", j, j, x)
        }
        print ""
    }
}
' "$0"
exit 0