clean up some syntax

commonsh/02_term

@@ -3,7 +3,7 @@
 # terminal fallback stuff
 fix_term ()
 {
-	if (infocmp $1 > /dev/null 2>&1) ; then
+	if ( infocmp $1 >/dev/null 2>&1 ) ; then
 		echo $1
 	else
 		case $1 in
@@ -20,7 +20,7 @@ fix_term ()
 				fix_term screen-256colors
 			;;
 			screen-256colors)
-				if (infocmp xterm-256colors &> /dev/null) ; then
+				if ( infocmp xterm-256colors >/dev/null 2>&1 ) ; then
 					fix_term xterm-256colors
 				else
 					fix_term screen
@@ -65,7 +65,7 @@ TERM=`fix_term $TERM`
 
 # I am sorry to hear that you are running an
 # xterm that has no colors (I am looking at you solaris)
-if [ $TERM = xterm ] && (command -v tput > /dev/null 2>&1) && [ `tput -T xterm colors` = -1 ] ; then
+if [ $TERM = xterm ] && ( command -v tput >/dev/null 2>&1 ) && [ `tput -T xterm colors` = -1 ] ; then
 	# lets see what we can do about your terrible term
 	TERM=`fix_term xterm-color`
 fi
@@ -74,7 +74,6 @@ export TERM
 
 case $TERM in
 	*256*)
-		SCREEN_TERM=$(fix_term screen-256color-bce)
-		alias screen="screen -T ${SCREEN_TERM}"
+		alias screen="screen -T `fix_term screen-256color-bce`"
 	;;
 esac

commonsh/10_alias

@@ -1,7 +1,7 @@
 #! /bin/sh
 # colors
 for dircolors in gdircolors dircolors ; do
-	if (command -v $dircolors > /dev/null 2>&1) ; then
+	if ( command -v $dircolors >/dev/null 2>&1)  ; then
 		[ -f "${HOME}/.dir_colors" ] && eval `$dircolors -b "${HOME}/.dir_colors"` && break
 		[ -f /etc/DIR_COLORS ] && eval `$dircolors -b /etc/DIR_COLORS` && break
 		eval `$dircolors -b` && break
@@ -10,7 +10,7 @@ done
 
 # gimmie an editor, make it a nice vi clone
 for EDITOR in vim elvis vile nvi vi ; do
-	(command -v $EDITOR > /dev/null 2>&1) && break
+	( command -v $EDITOR >/dev/null 2>&1 ) && break
 done
 export EDITOR
 
@@ -37,33 +37,22 @@ case `uname -s` in
 		alias ls="ls --color"
 	;;
 	SunOS)
-		if (command -v gls > /dev/null 2>&1) ; then
+		if ( command -v gls >/dev/null 2>&1 ) ; then
 			alias ls="gls -h --color=auto"
+		elif ( ls --version 2>/dev/null | grep GNU >/dev/null 2>&1 ) ; then
+			alias ls="ls -h --color=auto"
 		else
-			# you have a GNU ls, surprise...
-			case `ls --version 2>/dev/null | head -n 1` in
-				*fileutils*|*coreutils*)
-					alias ls="ls -h --color=auto"
-				;;
-				*)
-					alias ls="ls -h"
-				;;
-			esac
+			alias ls="ls -h"
 		fi
 
-		if (command -v ggrep > /dev/null 2>&1) ; then
+		if ( command -v ggrep >/dev/null 2>&1 ) ; then
 			alias grep='ggrep -d skip --color=auto'
-		else
-			# woah, you have a GNU grep...
-			case `grep --version 2>/dev/null | head -n 1` in
-				*GNU*)
-					alias grep='grep -d skip --color=auto'
-				;;
-			esac
+		elif ( grep --version 2>/dev/null | grep GNU >/dev/null 2>&1 ) ; then
+			alias grep='grep -d skip --color=auto'
 		fi
 
 		for locate in glocate slocate ; do
-			(command -v $locate > /dev/null 2>&1) && alias locate=$locate
+			( command -v $locate >/dev/null 2>&1 ) && alias locate=$locate
 		done
 	;;
 esac
@@ -73,4 +62,4 @@ alias du='du -h'
 
 alias ping='ping -c4'
 
-(command -v time > /dev/null 2>&1) && alias time='command time'
+( command -v time >/dev/null 2>&1 ) && alias time='command time'

commonsh/10_pager

@@ -1,5 +1,5 @@
 for PAGER in less more pg ; do
-	(command -v $PAGER > /dev/null 2>&1) && break
+	( command -v $PAGER >/dev/null 2>&1 ) && break
 done
 export PAGER
 

commonsh/10_rlwrap

@@ -1,4 +1,4 @@
 #! /bin/sh
 for wrap in rlwrap rlfe cle ; do
-	(command -v $wrap > /dev/null 2>&1) && alias ocaml="$wrap ocaml" && break
+	( command -v $wrap >/dev/null 2>&1 ) && alias ocaml="$wrap ocaml" && break
 done

lock

@@ -1,6 +1,6 @@
 #! /bin/sh
 
-if [[ `uname -s` = 'Darwin' ]] ; then
+if [ `uname -s` = 'Darwin' ] ; then
 	/System/Library/Frameworks/ScreenSaver.framework/Resources/ScreenSaverEngine.app/Contents/MacOS/ScreenSaverEngine
 	exit
 fi