basic-shell-examples/4_special_variables.sh at main · orted-org/basic-shell-examples · GitHub

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#!/bin/bash

# ${?} stores the exit status of the last command
# ${0} stores the first command line argument
# ${1} stores the second command line argument
# ${3} stores the third command line argument
# .
# .
# .
# ${#} stores the number of command line arguments
# ${@} stores the array of all the command line arguments
# ${*} stores all the command line arguments as one string

echo ${?}
echo ${0}
echo ${#}

for CLA in ${@}; do
    echo "The passed command line arguments are ${CLA}"
done