#!/bin/bash
./b.sh -a "$@"

#!/bin/bash

while getopts ":a:b:c:" opt; do
  case ${opt} in
        a) A="$OPTARG"
;;
        b) B="$OPTARG"
;;
        c) C="$OPTARG"
;;
        :) echo "bla"
exit 1
;;
esac
done

echo "a: $A, b: $B, c: $C"

user@host $  ./check.sh -a asd -b "asd|asd -x y" -c asd
a: -a asd -b "asd|asd -x y" -c asd, b: ,c:

user@host $  ./check.sh -a asd -b "asd|asd -x y" -c asd
a: -a, b: , c:

user@host $ ./check_params.sh -a asd -b asd|asd -c asd
a: -a asd -b asd|asd -c asd, b: ,c:

user@host $ ./check_params.sh -a asd -b asd|asd -c asd
-bash: asd: command not found