Fully linted code

README.md

@@ -31,9 +31,9 @@ The syntax for the command-line is:
 
 Option|Argument|Description
 ---|---|---
-`-f`, `--file`|`<subtitle_file>`|The full path and file name to a subtitle file. In Bazarr, you should use the `{{subtitles}}` variable.
+`-f`, `--file`|`<subtitle_file>`|The full path and filename to a subtitle file. In Bazarr, you should use the `{{subtitles}}` variable.
 `-d`, `--debug`|`[<level>]`|Enables debug logging. Level is optional.<br/>Default of 1 (low)<br/>2 includes extra output
-`-l`, `--log`|`<log_file>`|The log file name<br/>Default of `/config/log/cleansubs.log`
+`-l`, `--log`|`<log_file>`|The log filename<br/>Default of `/config/log/cleansubs.log`
 `--help`| |Display help and exit.
 `--version`| |Display version and exit.
 
@@ -63,7 +63,7 @@ By default, a separate log file is therefore created for script activity called:
 
 `/config/log/cleansubs.log`
 
-This log must be inspected or downloaded outside of Bazarr.  The log file name can be modified with the `--log` command-line option.
+This log must be inspected or downloaded outside of Bazarr.  The log filename can be modified with the `--log` command-line option.
 
 Script activity, including errors, will appear in both the script log and the native Bazarr log.
 
@@ -72,7 +72,6 @@ Log rotation is performed with 2 log files of 512KB each being kept.
 ___
 
 # Credits
-
 This would not be possible without the following:
 
 [Bazarr](https://www.bazarr.media/ "Bazarr homepage")  

cleansubs.sh

@@ -243,6 +243,7 @@ export cleansubs_tempsub="$(mktemp -u -- "${cleansubs_file}.tmp.XXXXXX")"
 [ $cleansubs_debug -ge 1 ] && echo "Debug|Using temporary file \"$cleansubs_tempsub\"" | log
 
 #### BEGIN MAIN
+# shellcheck disable=SC2002
 cat "$cleansubs_file" | dos2unix | awk -v Debug=$cleansubs_debug \
 -v SubTitle="$cleansubs_file" \
 -v TempSub="$cleansubs_tempsub" \