[CodeFactor](https://www.codefactor.io/repository/github/danielewood/misc/overview/master) found multiple issues: #### Use #!, not just #, for the shebang. [shell\Convert-AcmeCERtoPFX.sh:1 ](https://www.codefactor.io/repository/github/danielewood/misc/source/master/shell/Convert-AcmeCERtoPFX.sh#L1) #### Use $(...) notation instead of legacy backticked `...`. [shell\Convert-AcmeCERtoPFX.sh:22 ](https://www.codefactor.io/repository/github/danielewood/misc/source/master/shell/Convert-AcmeCERtoPFX.sh#L22)[shell\Convert-AcmeCERtoPFX.sh:27 ](https://www.codefactor.io/repository/github/danielewood/misc/source/master/shell/Convert-AcmeCERtoPFX.sh#L27)[shell\Convert-AcmeCERtoPFX.sh:29 ](https://www.codefactor.io/repository/github/danielewood/misc/source/master/shell/Convert-AcmeCERtoPFX.sh#L29)[shell\Convert-AcmeCERtoPFX.sh:30 ](https://www.codefactor.io/repository/github/danielewood/misc/source/master/shell/Convert-AcmeCERtoPFX.sh#L30)[shell\Convert-AcmeCERtoPFX.sh:31 ](https://www.codefactor.io/repository/github/danielewood/misc/source/master/shell/Convert-AcmeCERtoPFX.sh#L31)[shell\Convert-AcmeCERtoPFX.sh:40 ](https://www.codefactor.io/repository/github/danielewood/misc/source/master/shell/Convert-AcmeCERtoPFX.sh#L40)[shell\Convert-AcmeCERtoPFX.sh:46 ](https://www.codefactor.io/repository/github/danielewood/misc/source/master/shell/Convert-AcmeCERtoPFX.sh#L46)[shell\Convert-AcmeCERtoPFX.sh:47 ](https://www.codefactor.io/repository/github/danielewood/misc/source/master/shell/Convert-AcmeCERtoPFX.sh#L47)[shell\Convert-AcmeCERtoPFX.sh:48 ](https://www.codefactor.io/repository/github/danielewood/misc/source/master/shell/Convert-AcmeCERtoPFX.sh#L48) #### Useless echo? Instead of 'echo $(cmd)', just use 'cmd'. [shell\Convert-AcmeCERtoPFX.sh:47 ](https://www.codefactor.io/repository/github/danielewood/misc/source/master/shell/Convert-AcmeCERtoPFX.sh#L47)