I have tons of such scripts for personal use, not just projects. Here's one I wrote a couple days ago called "jabra-stop-changing-volume-goddamnit":

    #!/bin/bash
    while sleep 0.1; do pacmd set-source-volume bluez_source.70_BF_92_CD_77_32.headset_head_unit 60000; done

Also, lots of scripts related to ffmpeg and other tools where the command line arguments are too hard to remember. For example, "ffmpeg-extract-sound-from-all-files-in-dir":

    #!/bin/bash
    find *.mov | sed -e s/.mov// | xargs --replace=qq --verbose ffmpeg -i qq.mov -acodec pcm_s16le qq.wav