mkbin: a shell script that makes shell scripts

mkbin

#!/bin/bash

# mkbin: create a new shell script and open the editor

mode="create"

if [ "$1" = "-e" ] || [ "$1" = "--edit" ]; then
    mode="edit"
    shift
fi

bin="$1"
fullpath="$HOME/bin/$1"

if [ -z "$bin" ]; then
	echo "must pass bin name"
	exit 1
fi

if [ "$mode" = "edit" ]; then
    if [ ! -f "$fullpath" ]; then
	    echo "$fullpath does not exist"
	    exit 1
    fi

    "$EDITOR" "$fullpath" &
    exit 1
fi

if [ -f "$fullpath" ]; then
	echo "file exists"
	exit 1
fi

cat >"$fullpath" <<EOF
#!/bin/bash
set -o errexit; set -o nounset;

# $1 - do stuff
EOF

chmod +x "$fullpath"

"$EDITOR" "$fullpath" &