Update bits-info.sh

tools/bits-info.sh

@@ -6,12 +6,8 @@
 # shellcheck disable=SC3043 # In POSIX sh, local is undefined
 
 SCRIPT_NAME='Bits info'
-SCRIPT_VERSION='1.5.3'
+SCRIPT_VERSION='1.5.4'
 
-echo '==='
-command 1> /dev/null -v 'command'; echo $?
-command 1> /dev/null -v ':'; echo $?
-echo '==='
 ### CONFIGURATION ###
 
 set -u 2> /dev/null || :
@@ -20,7 +16,7 @@ case "$(set 2> /dev/null -o || set || :)" in *'pipefail'*) set -o pipefail || pr
 
 # The "obosh" shell does NOT support "command" while the "posh" shell does NOT support "type"
 {
-  command 1> /dev/null -v 'command'
+  command 1> /dev/null -v ':'
 } 2> /dev/null || command()
 {
   test "${1-}" = '-v' || exit 255
@@ -1037,7 +1033,11 @@ while test "${#}" -gt 0; do
 
       printf '\n%s\n\n' 'Coming soon...'
 
-      if test -z "${0}" || ! script_filename="$(basename "${0}")"; then exit 1; fi
+      if test -n "${0-}" && script_filename="$(basename "${0}")"; then
+        :
+      else
+        exit 1
+      fi
 
       printf '%s\n' 'Notes:'
       printf '%s\n' 'If a single parameter is given, then it returns the specific error code, otherwise if there are multiple files, it returns the number of files that were not recognized.'