#!/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_print_available_commands()
-{(
- local i count=0
- gsu_short_msg "Available commands:"
- for i in $gsu_cmds; do
- printf "$i"
- count=$(($count + 1))
- if test $(($count % 4)) -eq 0; then
- echo
+{
+ local cmd
+ local -i count=0
+
+ printf 'Available commands:\n'
+ for cmd in $gsu_cmds; do
+ printf '%s' "$cmd"
+ let count++
+ if (($count % 4)); then
+ printf '\t'
+ ((${#cmd} < 8)) && printf '\t'
else
- printf "\t"
- if test ${#i} -lt 8; then
- printf "\t"
- fi
+ printf '\n'
fi
done
- echo
-) 2>&1
+ printf '\n'
}
gsu_complete_options()
ret=-$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
_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}"
'
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
}