gsu: Fix two bashisms.

[gsu.git] / funcs / gsu

diff --git a/funcs/gsu b/funcs/gsu
index 025bca03963c891e8609a7d755802e2e5873aea7..106663af381b04b6f2650856952c986592f4f9d5 100644 (file)
--- a/funcs/gsu
+++ b/funcs/gsu
@@ -9,8 +9,7 @@ E_GSU_BAD_COMMAND               invalid command
 E_GSU_NOT_A_NUMBER             not a number
 $gsu_errors
 "
-       local a b i
-       local i=0
+       local a b i=0
        while read a b; do
                if test -z "$a"; then
                        continue
@@ -18,7 +17,7 @@ $gsu_errors
                #echo "a:$a,  b: $b"
                gsu_error_txt[i]="$b"
                eval $a=$i
-               i=$((i + 1))
+               i=$(($i + 1))
        done << EOF
        $gsu_errors
 EOF
@@ -119,11 +118,11 @@ com_help()
                        | sed -e 's/^com_\([a-zA-Z_0-9]\+\)()#*/\1\t/' \
                        | sort \
                        | while read a b; do
-                                echo -en "$a\t"
-                                if test ${#a} -lt 8; then
-                                        echo -en "\t"
-                                fi
-                                echo "$b"
+                               printf "$a\t"
+                               if test ${#a} -lt 8; then
+                                       printf "\t"
+                               fi
+                               echo "$b"
                         done
                echo
                gsu_msg "Try $gsu_self help <command> for info on <command>."
@@ -162,8 +161,8 @@ gsu_print_available_commands()
        gsu_short_msg "Available commands:"
        for i in $gsu_cmds; do
                printf "$i"
-               count=$((count + 1))
-               if test $((count % 4)) -eq 0; then
+               count=$(($count + 1))
+               if test $(($count % 4)) -eq 0; then
                        echo
                else
                        printf "\t"