"wdiff: too many file arguments" error about cwdiff

[junghans]

Added as faea19a

[lemzwerg]

Ping, please fix! I can confirm that this patch (as suggested by @hop) fixes the problem.

--- cwdiff~     2024-04-29 08:05:24.000000000 +0200
+++ cwdiff      2024-04-29 08:18:48.991783334 +0200
@@ -214,7 +214,7 @@
       # cut the last newline do avoid an empty line at the end (echo append newline)
       # echo -n would also work, but wdiff has strange behaviour if the 2nd file is
       # empty, it will not append newline, which make the output look strange
-      [[ $t1 || $t2 ]] && { wdiff "$wdiff_opts" ${RED:+-n} <(echo "${t1%$NL}") <(echo "${t2%$NL}") | color_filter; }
+      [[ $t1 || $t2 ]] && { wdiff $wdiff_opts ${RED:+-n} <(echo "${t1%$NL}") <(echo "${t2%$NL}") | color_filter; }
       t1=
       t2=
       [[ $diff = only ]] && echo "${i}" || echo "${i## }"
@@ -222,9 +222,9 @@
   done
   # thanks to Arne Babenhauserheide for pointing out this case is missing
   # if there was + or - lines at the end, which has not been printed yet
-  [[ $t1 || $t2 ]] && { wdiff "$wdiff_opts" ${RED:+-n} <(echo "${t1%$NL}") <(echo "${t2%$NL}") | color_filter; }
+  [[ $t1 || $t2 ]] && { wdiff $wdiff_opts ${RED:+-n} <(echo "${t1%$NL}") <(echo "${t2%$NL}") | color_filter; }
 elif [[ $filter ]]; then
   color_filter $1
 else
-  wdiff "$wdiff_opts" ${RED:+-n} "$1" "$2" | color_filter
+  wdiff $wdiff_opts ${RED:+-n} "$1" "$2" | color_filter
 fi