wiki-grav/pages/04.other/14.bash/default.en.md

title
Bash

[toc]

Returning exit status

exit 1

Code	Meaning
0	Success
1	Error

Check for Arguments given

if [ $# -eq 0 ]; then
    echo "Please supply one argument"
    $(exit 1); echo "$?"
elif [ $# -ge 2 ]; then
    echo "Please give only one argument"
    $(exit 1); echo "$?"
fi

Multiline output

cat << EOF
Line 1
Line 2
Line 3
EOF

Will output:

Line 1
Line 2
Line 3