A script for aiding workflow in a Jekyll blog.

post.sh

# Run from within root folder.

# Check whether the file exists or not.
if [ -e $1 ]
then
    re="([0-9]{12})\-(.*)\.md"
    if [[ $1 =~ $re ]]; then

        # Create date and time stamps and capture post filename.
        datestamp=${BASH_REMATCH[1]:0:4}-${BASH_REMATCH[1]:4:2}-${BASH_REMATCH[1]:6:2}
        hourstamp=${BASH_REMATCH[1]:8:2}
        minutestamp=${BASH_REMATCH[1]:10:2}
        postname=_posts/$datestamp-$hourstamp$minutestamp-${BASH_REMATCH[2]}.md

        # Separate headers from content.
        header=$(grep -E --max-count=1 '^\#[^#]*?$' $1)
        contents=$(grep -Ev '^\#[^#]*?$' $1)

        # Create YAML front-matter.
        yaml=$(echo -e '---\ntitle: "'${header#\# }'"\ndate: '$datestamp' '$hourstamp':'$minutestamp'\n---\n')

        # Check if relevant post already exists and whether this is a new post or an update
        if [ -e $postname ]
        then
            echo "Updating existing post: $postname"
        else
            echo "Creating new post: $postname"
        fi

        # Output the content to the file.
        echo -e "$yaml\n$contents" > $postname

        # Report.
        echo "Changes awaiting staging."
        git status -s

    else
        echo "Could not find date in filename."
    fi
else
    echo "File does not exist."
fi