result="name: '$name'"
# bash's =~ works only for 3.2 and newer, so use grep
echo "$name" | grep '^[a-zA-Z][a-zA-Z_0123456789]*$' &> /dev/null;
- [[ $? -ne 0 ]] && return
+ (($? != 0)) && return
eval orig_val='"'\$orig_${gsu_config_var_prefix}_$name'"'
if [[ -z "$orig_val" ]]; then
;;
num)
gsu_is_a_number "$val"
- [[ $ret -lt 0 ]] && return
+ (($ret < 0)) && return
;;
*)
ret=-$E_GSU_BAD_OPTION_TYPE
}
if [[ "$(type -t _gsu_setup)" != "function" ]]; then
- gsu_dir=${gsu_dir:=${HOME:-}/.gsu}
+ gsu_dir=${gsu_dir:-${BASH_SOURCE[0]%/*}}
. $gsu_dir/common || exit 1
_gsu_setup
fi
#!/bin/bash
# (C) 2006-2011 Andre Noll
- if [[ $(type -t gsu_is_a_number) != "function" ]]; then
- GSU_DIR=${GSU_DIR:=${HOME-}/.gsu}
- . $GSU_DIR/common || exit 1
+ if [[ "$(type -t _gsu_setup)" != "function" ]]; then
+ gsu_dir=${gsu_dir:-${BASH_SOURCE[0]%/*}}
+ . $gsu_dir/common || exit 1
+ _gsu_setup
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 $0.
ret=-$E_GSU_MKDIR
result="${conf%/*}"
mkdir -p "$result"
- [[ $? -ne 0 ]] && return
+ (($? != 0)) && return
ret=-$E_GSU_EDITOR
result="${EDITOR:-vi}"
"$result" "$conf"
- [[ $? -ne 0 ]] && return
+ (($? != 0)) && return
ret=$GSU_SUCCESS
return
fi
local minus_signs="--------------------------------------------------"
local com num
- echo "$_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."
_gsu_available_commands
for com in $result; do
num=${#com}
- if test $num -lt 4; then
- num=4
- fi
+ (($num < 4)) && num=4
echo "${minus_signs:0:$num}"
echo "$com"
echo "${minus_signs:0:$num}"
ret=$GSU_SUCCESS
}
-_gsu_banner_msg()
-{
- gsu_short_msg "### $_gsu_self -- ###"
-}
-
export gsu_help_txt="
Print online help.
ere="$result"
if (($# == 0)); then
- _gsu_banner_msg 2>&1
+ gsu_short_msg "### $gsu_name -- $gsu_banner_txt ###"
_gsu_usage 2>&1
{
printf "com_help()\n$gsu_help_txt" | head -n 4; echo "--"
# 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
'
gsu_check_arg_count $# 1 1
- if [[ $ret -lt 0 ]]; then
+ if (($ret < 0)); then
gsu_err_msg
exit 1
fi
gsu()
{
local i
- _gsu_setup
_gsu_available_commands
gsu_cmds="$result"
- if test $# -eq 0; then
+ if (($# == 0)); then
_gsu_usage
_gsu_print_available_commands
exit 1
# check internal commands
if [[ "$arg" = "help" || "$arg" = "man" || "$arg" = "prefs" || "$arg" = "complete" ]]; then
_com_$arg "$@"
- if [[ "$ret" -lt 0 ]]; then
+ if (("$ret" < 0)); then
gsu_err_msg
exit 1
fi
for i in $gsu_cmds; do
if test "$arg" = "$i"; then
com_$arg "$@"
- if [[ "$ret" -lt 0 ]]; then
+ if (("$ret" < 0)); then
gsu_err_msg
exit 1
fi
gsu_check_arg_count()
{
ret=-$E_GSU_BAD_ARG_COUNT
- if [[ $# -eq 2 ]]; then # only num1 is given
+ if (($# == 2)); then # only num1 is given
result="at least $2 args required, $1 given"
- [[ $1 -lt $2 ]] && return
+ (($1 < $2)) && return
ret=$GSU_SUCCESS
return
fi
# num1 and num2 given
result="need at least $2 args, $1 given"
- [[ $1 -lt $2 ]] && return
+ (($1 < $2)) && return
result="need at most $3 args, $1 given"
- [[ $1 -gt $3 ]] && return
+ (($1 > $3)) && return
ret=$GSU_SUCCESS
}