toc
some code
#!/bin/bash
app=$(basename "$0")
function usage { cat << EOF
usage: $app input output
EOF
}
[[ $# -eq 2 ]] || {
usage >&2
exit 1
}
#!/bin/bash
app=$(basename "$0")
function usage { cat << EOF
usage: $app input output
EOF
}
[[ $# -eq 2 ]] || {
usage >&2
exit 1
}