• Create a sysop command to hash/rehash files from file transfer menu

    From Rob Swindell@1:103/705 to GitLab issue in main/sbbs on Sat Jan 4 02:46:55 2025
    open https://gitlab.synchro.net/main/sbbs/-/issues/858

    copy code from `rehashfiles.js` (e.g. to lib or directly) for use in str_cmds.js, e.g.
    ```
    ;hash [filespec]
    ```
    --- SBBSecho 3.23-Linux
    * Origin: Vertrauen - [vert/cvs/bbs].synchro.net (1:103/705)