In /usr/bin/dvipdft line 23:
  && { UNAMES=`uname -s`; test "x$UNAMES" = xULTRIX; } 2>/dev/null \
              ^--------^ SC2006: Use $(...) notation instead of legacy backticked `...`.

Did you mean: 
  && { UNAMES=$(uname -s); test "x$UNAMES" = xULTRIX; } 2>/dev/null \


In /usr/bin/dvipdft line 24:
  && { RUNNING_SH5=true; export RUNNING_SH5; exec /bin/sh5 $0 ${1+"$@"}; }
                                                           ^-- SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
  && { RUNNING_SH5=true; export RUNNING_SH5; exec /bin/sh5 "$0" ${1+"$@"}; }


In /usr/bin/dvipdft line 28:
  && { UNAMES=`uname -s`; test "x$UNAMES" = xAIX; } 2>/dev/null \
              ^--------^ SC2006: Use $(...) notation instead of legacy backticked `...`.

Did you mean: 
  && { UNAMES=$(uname -s); test "x$UNAMES" = xAIX; } 2>/dev/null \


In /usr/bin/dvipdft line 29:
  && { RUNNING_BSH=true; export RUNNING_BSH; exec /bin/bsh $0 ${1+"$@"}; }
                                                           ^-- SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
  && { RUNNING_BSH=true; export RUNNING_BSH; exec /bin/bsh "$0" ${1+"$@"}; }


In /usr/bin/dvipdft line 33:
test -n "${ZSH_VERSION+set}" && alias -g '${1+"$@"}'='"$@"'
                                         ^----------------^ SC2142: Aliases can't use positional parameters. Use a function.


In /usr/bin/dvipdft line 51:
  s="$s${s+ }"`quoteit "$1"`
              ^------------^ SC2006: Use $(...) notation instead of legacy backticked `...`.

Did you mean: 
  s="$s${s+ }"$(quoteit "$1")


In /usr/bin/dvipdft line 76:
  || outfile=`echo "$dvifile" | sed 's@.*/@@; s@\.dvi$@@; s@$@.pdf@'`
             ^-- SC2006: Use $(...) notation instead of legacy backticked `...`.

Did you mean: 
  || outfile=$(echo "$dvifile" | sed 's@.*/@@; s@\.dvi$@@; s@$@.pdf@')


In /usr/bin/dvipdft line 79:
outBase=`echo "$outfile" | sed 's@\.pdf$@@'`
        ^-- SC2006: Use $(...) notation instead of legacy backticked `...`.

Did you mean: 
outBase=$(echo "$outfile" | sed 's@\.pdf$@@')


In /usr/bin/dvipdft line 96:
echo "$progname: running dvipdfm $@ -z0 $dvifile" >&2
                                 ^-- SC2145: Argument mixes string and array. Use * or separate argument.


In /usr/bin/dvipdft line 104:
echo "$progname: running dvipdfm -t $@ $dvifile" >&2
                                    ^-- SC2145: Argument mixes string and array. Use * or separate argument.

For more information:
  https://www.shellcheck.net/wiki/SC2142 -- Aliases can't use positional para...
  https://www.shellcheck.net/wiki/SC2145 -- Argument mixes string and array. ...
  https://www.shellcheck.net/wiki/SC2086 -- Double quote to prevent globbing ...