X-Git-Url: http://git.tuebingen.mpg.de/?p=gsu.git;a=blobdiff_plain;f=subcommand;h=5e55580013dad9ec224e8c11a8e191b18c00428e;hp=13e3d83ab082707e3555d435999f1510e1d9d4f1;hb=14bfd7f2bb19c802a5251d4d4289ecd77c8d24ed;hpb=99d118192790970e4ce38f088797337c8316a169

diff --git a/subcommand b/subcommand
index 13e3d83..5e55580 100644
--- a/subcommand
+++ b/subcommand
@@ -100,7 +100,7 @@ gsu_getopts()
 '
 
 	gsu_check_arg_count $# 1 1
-	if (($ret < 0)); then
+	if ((ret < 0)); then
 		gsu_err_msg
 		exit 1
 	fi
@@ -126,7 +126,7 @@ gsu_getopts()
 	result="local _gsu_getopts_opt"
 	for ((i=0; i < ${#1}; i++)); do
 		c1=${1:$i:1}
-		c2=${1:$(($i + 1)):1}
+		c2=${1:$((i + 1)):1}
 		result+=" o_$c1="
 		if [[ "$c2" = ":" ]]; then
 			let i++
@@ -141,7 +141,7 @@ gsu_getopts()
 "
 	for ((i=0; i < ${#1}; i++)); do
 		c1=${1:$i:1}
-		c2=${1:$(($i + 1)):1}
+		c2=${1:$((i + 1)):1}
 		result+="$tab$tab$c1) o_$c1="
 		if [[ "$c2" = ":" ]]; then
 			result+="\"\$OPTARG\""
@@ -175,7 +175,7 @@ _gsu_print_available_commands()
 	for cmd in $cmds; do
 		printf '%s' "$cmd"
 		let ++count
-		if (($count % 4)); then
+		if ((count % 4)); then
 			printf '\t'
 			((${#cmd} < 8)) && printf '\t'
 		else
@@ -226,9 +226,9 @@ com_prefs()
 
 	gsu_getopts "$com_prefs_options"
 	eval "$result"
-	(($ret < 0)) && return
+	((ret < 0)) && return
 	gsu_check_arg_count $# 0 0
-	(($ret < 0)) && return
+	((ret < 0)) && return
 
 	if [[ "$o_e" == "true" ]]; then
 		ret=-$E_GSU_MKDIR
@@ -595,7 +595,7 @@ com_man()
 	_gsu_available_commands
 	for com in $result; do
 		num=${#com}
-		(($num < 4)) && num=4
+		((num < 4)) && num=4
 		echo "${minus_signs:0:$num}"
 		echo "$com"
 		echo "${minus_signs:0:$num}"
@@ -749,8 +749,8 @@ EOF
 
 	cword="$1"
 	gsu_is_a_number "$cword"
-	(($ret < 0)) && return
-	if (($cword <= 1)); then
+	((ret < 0)) && return
+	if ((cword <= 1)); then
 		_gsu_available_commands
 		echo "${result}"
 		ret=$GSU_SUCCESS
@@ -783,18 +783,18 @@ gsu_cword_is_option_parameter()
 	local -a words
 
 	result=
-	(($cword == 0)) && return
+	((cword == 0)) && return
 	((${#opts} < 2)) && return
 
 	shift 2
 	words=("$@")
-	prev="${words[$(($cword - 1))]}"
+	prev="${words[$((cword - 1))]}"
 	[[ ! "$prev" == -* ]] && return
 
 	n=$((${#opts} - 1))
 	for ((i=0; i <= $n; i++)); do
 		opt="${opts:$i:1}"
-		[[ "${opts:$(($i + 1)):1}" != ":" ]] && continue
+		[[ "${opts:$((i + 1)):1}" != ":" ]] && continue
 		let i++
 		[[ ! "$prev" =~ ^-.*$opt$ ]] && continue
 		result="$opt"
@@ -825,13 +825,13 @@ gsu_get_unnamed_arg_num()
 	shift 2
 	words=("$@")
 	cur="${words[$cword]}"
-	prev="${words[$(($cword - 1))]}"
+	prev="${words[$((cword - 1))]}"
 	result=-1
 	[[ "$cur" == -* ]] && return
 	[[ "$prev" == -* ]] && [[ "$opts" == *${prev#-}:* ]] && return
 
 	for ((i=1; i <= $cword; i++)); do
-		prev="${words[$(($i - 1))]}"
+		prev="${words[$((i - 1))]}"
 		cur="${words[$i]}"
 		[[ "$cur" == -* ]] && continue
 		if [[ "$prev" == -* ]]; then
@@ -841,7 +841,7 @@ gsu_get_unnamed_arg_num()
 		fi
 		let n++
 	done
-	result="$(($n - 1))"
+	result="$((n - 1))"
 }
 
 # Entry point for all gsu-based scripts.
@@ -872,7 +872,7 @@ gsu()
 	shift
 	if [[ "$(type -t "com_$arg")" == 'function' ]]; then
 		"com_$arg" "$@"
-		if (("$ret" < 0)); then
+		if ((ret < 0)); then
 			gsu_err_msg
 			exit 1
 		fi