Merge branch 't/arithmetic_eval'

Cooking for almost a month.

* t/arithmetic_eval:
  Use modern style arithmetic evaluation everwhere.

diff --git a/common b/common
index 6b87c440afc9ec44e3d9231c7267eeeb914406d3..eaa5751b43a9133fba3e497b5d45babe1e46b0e9 100644 (file)
--- a/common
+++ b/common
@@ -49,12 +49,12 @@ gsu_short_msg()
 
 gsu_msg()
 {
-       gsu_short_msg "$_gsu_self: $1"
+       gsu_short_msg "$gsu_name: $1"
 }
 
 gsu_date_msg()
 {
-       gsu_short_msg "$_gsu_self $(date): $1"
+       gsu_short_msg "$gsu_name $(date): $1"
 }
 
 gsu_err_msg()
@@ -81,8 +81,7 @@ gsu_err_msg()
 
 _gsu_setup()
 {
-       _gsu_self="$(basename $0)"
-       gsu_name="${gsu_name:=$_gsu_self}"
+       gsu_name="${gsu_name:-${0##*/}}"
        gsu_config_var_prefix="${gsu_config_var_prefix:=$gsu_name}"
        gsu_banner_txt="${gsu_banner_txt:-set \$gsu_banner_txt to customize this message}"
        _gsu_init_errors

diff --git a/subcommand b/subcommand
index 77c7d62882f1f61a1544d383a81b27f6e2e8da31..05860f68395f67ffd3e9a51a60e48eb857a9cca8 100644 (file)
--- a/subcommand
+++ b/subcommand
@@ -8,7 +8,7 @@ fi
 
 _gsu_usage()
 {
-       gsu_short_msg "# Usage: $_gsu_self command [options]"
+       gsu_short_msg "# Usage: $gsu_name command [options]"
 }
 
 # Return an extended regular expression to match against $0.
@@ -160,15 +160,15 @@ _com_man()
        local minus_signs="--------------------------------------------------"
         local com num
 
-       echo "$_gsu_self (_${gsu_banner_txt}_) manual"
-       echo "${equal_signs:0:${#_gsu_self} + ${#gsu_banner_txt} + 16}"
+       echo "$gsu_name (_${gsu_banner_txt}_) manual"
+       echo "${equal_signs:0:${#gsu_name} + ${#gsu_banner_txt} + 16}"
        echo
 
         sed -e '1,/^#\{70,\}/d' -e '/^#\{70,\}/,$d' $0 -e 's/^# *//'
        echo "----"
         echo
-       echo "$_gsu_self usage"
-       echo "${minus_signs:0:${#_gsu_self} + 6}"
+       echo "$gsu_name usage"
+       echo "${minus_signs:0:${#gsu_name} + 6}"
        printf "\t"
        _gsu_usage 2>&1
        echo "Each command has its own set of options as described below."
@@ -220,7 +220,7 @@ _com_help()
        ere="$result"
 
        if (($# == 0)); then
-               gsu_short_msg "### $_gsu_self -- $gsu_banner_txt ###"
+               gsu_short_msg "### $gsu_name -- $gsu_banner_txt ###"
                _gsu_usage 2>&1
                {
                        printf "com_help()\n$gsu_help_txt" | head -n 4; echo "--"
@@ -250,7 +250,7 @@ _com_help()
                                # and print the sucker
                                p'
                echo
-               echo "# Try $_gsu_self help <command> for info on <command>."
+               echo "# Try $gsu_name help <command> for info on <command>."
                ret=$GSU_SUCCESS
                return
        fi