more portability on shell scripts

i haven't really tested this, but i expect that someone that knows the code (and
    cares about it) to do the last portability changes.

i don't think that this scripts are going to run with a shell different than
bash anyway...

7 files changed, 57 insertions, 35 deletions

diff --git a/examples/data/uzbl/scripts/clipboard.sh b/examples/data/uzbl/scripts/clipboard.sh
index c64b65c..85ccbc6 100755
--- a/examples/data/uzbl/scripts/clipboard.sh
+++ b/examples/data/uzbl/scripts/clipboard.sh
@@ -1,14 +1,17 @@
-#!/bin/bash
+#!/bin/sh
 
 # with this script you can store the current url in the clipboard, or go to the url which is stored in the clipboard.
 
+clip=xclip
+
 fifo="$5"
 action="$1"
 url="$7"
-selection=$(xclip -o)
+
+selection=`$clip -o`
 
 case $action in
-  "yank" ) echo -n "$url" | xclip;;
+  "yank" ) echo -n "$url" | eval "$clip";;
   "goto" ) echo "uri $selection" > "$fifo";;
   * ) echo "clipboard.sh: invalid action";;
 esac
diff --git a/examples/data/uzbl/scripts/cookies.sh b/examples/data/uzbl/scripts/cookies.sh
index 56b9c79..03ddef8 100755
--- a/examples/data/uzbl/scripts/cookies.sh
+++ b/examples/data/uzbl/scripts/cookies.sh
@@ -1,4 +1,6 @@
-#!/bin/bash
+#!/bin/sh
+
+set -n;
 
 # THIS IS EXPERIMENTAL AND COULD BE INSECURE !!!!!!
 
@@ -24,10 +26,10 @@
 # http://kb.mozillazine.org/Cookies.txt
 # don't always append cookies, sometimes we need to overwrite
 
-cookie_config=${XDG_CONFIG_HOME:-$HOME/.config}/uzbl/cookies
-[ -z "$cookie_config" ] && exit 1
-[ -d ${XDG_DATA_HOME:-$HOME/.local/share}/uzbl/ ] && cookie_data=${XDG_DATA_HOME:-$home/.local/share}/uzbl/cookies.txt || exit 1
-
+cookie_config=${XDG_CONFIG_HOME:-${HOME}/.config}/uzbl/cookies
+[ "x$cookie_config" = x ] && exit 1
+[ -d "${XDG_DATA_HOME:-${HOME}/.local/share}/uzbl/" ] &&\
+cookie_data=${XDG_DATA_HOME:-${HOME}/.local/share}/uzbl/cookies.txt || exit 1 
 
 notifier=
 #notifier=notify-send
@@ -60,24 +62,24 @@ field_name=
 field_value=
 field_exp='end_session'
 
-function notify () {
+notify() {
 	[ -n "$notifier" ] && $notifier "$@"
 }
 
 
 # FOR NOW LETS KEEP IT SIMPLE AND JUST ALWAYS PUT AND ALWAYS GET
-function parse_cookie () {
+parse_cookie() {
 	IFS=$';'
 	first_pair=1
 	for pair in $cookie
 	do
-		if [ "$first_pair" == 1 ]
+		if [ "x$first_pair" = x1 ]
 		then
 			field_name=${pair%%=*}
 			field_value=${pair#*=}
 			first_pair=0
 		else
-			read -r pair <<< "$pair" #strip leading/trailing wite space
+			echo "$pair" | read -r pair #strip leading/trailing wite space
 			key=${pair%%=*}
 			val=${pair#*=}
 			[ "$key" == expires ] && field_exp=`date -u -d "$val" +'%s'`
@@ -89,7 +91,7 @@ function parse_cookie () {
 }
 
 # match cookies in cookies.txt against hostname and path
-function get_cookie () {
+get_cookie() {
 	path_esc=${path//\//\\/}
 	search="^[^\t]*$host\t[^\t]*\t$path_esc"
 	cookie=`awk "/$search/" $cookie_data 2>/dev/null | tail -n 1`
@@ -99,13 +101,15 @@ function get_cookie () {
 		false
 	else
 		notify "Get_cookie: search: $search in $cookie_data -> result: $cookie"
-		read domain alow_read_other_subdomains path http_required expiration name value <<< "$cookie"
+		echo "$cookie" | \
+      read domain alow_read_other_subdomains path http_required expiration name \
+        value;
 		cookie="$name=$value" 
 		true
 	fi
 }
 
-function save_cookie () {
+save_cookie() {
 	if parse_cookie
 	then
 		data="$field_domain\tFALSE\t$field_path\tFALSE\t$field_exp\t$field_name\t$field_value"
@@ -116,8 +120,8 @@ function save_cookie () {
 	fi
 }
 
-[ $action == PUT ] && save_cookie
-[ $action == GET ] && get_cookie && echo "$cookie"
+[ "x$action" = xPUT ] && save_cookie
+[ "x$action" = xGET ] && get_cookie && echo "$cookie"
 
 exit
 
@@ -125,25 +129,32 @@ exit
 # TODO: implement this later.
 # $1 = section (TRUSTED or DENY)
 # $2 =url
-function match () {
+match() {
 	sed -n "/$1/,/^\$/p" $cookie_config 2>/dev/null | grep -q "^$host"
 }
 
-function fetch_cookie () {
+fetch_cookie() {
 	cookie=`cat $cookie_data`
 }
 
-function store_cookie () {
+store_cookie() {
 	echo $cookie > $cookie_data
 }
 
 if match TRUSTED $host
 then
-	[ $action == PUT ] && store_cookie $host
-	[ $action == GET ] && fetch_cookie && echo "$cookie"
+	[ "x$action" = xPUT ] && store_cookie $host
+	[ "x$action" = xGET ] && fetch_cookie && echo "$cookie"
 elif ! match DENY $host
 then
-	[ $action == PUT ] &&                 cookie=`zenity --entry --title 'Uzbl Cookie handler' --text "Accept this cookie from $host ?" --entry-text="$cookie"` && store_cookie $host
-	[ $action == GET ] && fetch_cookie && cookie=`zenity --entry --title 'Uzbl Cookie handler' --text "Submit this cookie to $host ?"   --entry-text="$cookie"` && echo $cookie
+	[ "x$action" = xPUT ] && \
+    cookie=`zenity --entry --title 'Uzbl Cookie handler' \
+      --text "Accept this cookie from $host ?" --entry-text="$cookie"` \
+    && store_cookie $host
+
+	[ "x$action" = xGET ] && fetch_cookie \
+    && cookie=`zenity --entry --title 'Uzbl Cookie handler' \
+         --text "Submit this cookie to $host ?"   --entry-text="$cookie"` \
+         && echo $cookie
 fi
 exit 0
diff --git a/examples/data/uzbl/scripts/history.sh b/examples/data/uzbl/scripts/history.sh
index ccc6b40..d726f9c 100755
--- a/examples/data/uzbl/scripts/history.sh
+++ b/examples/data/uzbl/scripts/history.sh
@@ -1,5 +1,6 @@
-#!/bin/bash
+#!/bin/sh
 #TODO: strip 'http://' part
+
 file=${XDG_DATA_HOME:-$HOME/.local/share}/uzbl/history
 [ -d `dirname $file` ] || exit 1
 echo "$8 $6 $7" >> $file
diff --git a/examples/data/uzbl/scripts/insert_bookmark.sh b/examples/data/uzbl/scripts/insert_bookmark.sh
index 23c0d31..e04e6d4 100755
--- a/examples/data/uzbl/scripts/insert_bookmark.sh
+++ b/examples/data/uzbl/scripts/insert_bookmark.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 [ -d "${XDG_DATA_HOME:-$HOME/.local/share}/uzbl" ] || exit 1
 file=${XDG_DATA_HOME:-$HOME/.local/share}/uzbl/bookmarks
@@ -6,7 +6,8 @@ file=${XDG_DATA_HOME:-$HOME/.local/share}/uzbl/bookmarks
 which zenity &>/dev/null || exit 2
 
 entry=`zenity --entry --text="Add bookmark. add tags after the '\t', separated by spaces" --entry-text="$6 $7\t"`
-url=`awk '{print $1}' <<< $entry`
+url=`echo $entry | awk '{print $1}'`
+
 # TODO: check if already exists, if so, and tags are different: ask if you want to replace tags
 echo "$entry" >/dev/null #for some reason we need this.. don't ask me why
 echo -e "$entry"  >> $file
diff --git a/examples/data/uzbl/scripts/load_url_from_history.sh b/examples/data/uzbl/scripts/load_url_from_history.sh
index 57d634a..f207837 100755
--- a/examples/data/uzbl/scripts/load_url_from_history.sh
+++ b/examples/data/uzbl/scripts/load_url_from_history.sh
@@ -1,11 +1,12 @@
-#!/bin/bash
+#!/bin/sh
+
 history_file=${XDG_DATA_HOME:-$HOME/.local/share}/uzbl/history
 [ -r "$history_file" ] || exit 1
 
 # choose from all entries, sorted and uniqued
 # goto=`awk '{print $3}' $history_file | sort -u | dmenu -i`
 COLORS=" -nb #303030 -nf khaki -sb #CCFFAA -sf #303030"
-if dmenu --help 2>&1 | grep -q '\[-rs\] \[-ni\] \[-nl\] \[-xs\]'
+if dmenu --help 2>&1 | grep -q '\[-rs\] \[-ni\] \[-nl\] \[-xs\]';
 then
         DMENU="dmenu -i -xs -rs -l 10" # vertical patch
         # choose an item in reverse order, showing also the date and page titles
@@ -14,7 +15,9 @@ then
 else    
         DMENU="dmenu -i"
 	# choose from all entries (no date or title), the first one being current url, and after that all others, sorted and uniqued, in ascending order
-	current=`tail -n 1 $history_file | awk '{print $3}'`; goto=`(echo $current; awk '{print $3}' $history_file | grep -v "^$current\$" | sort -u) | $DMENU $COLORS`
+	current=`tail -n 1 $history_file | awk '{print $3}'`; 
+  goto=`(echo $current; awk '{print $3}' $history_file | grep -v "^$current\$" \
+      | sort -u) | $DMENU $COLORS`
 fi 
 
 [ -n "$goto" ] && echo "uri $goto" > $4
diff --git a/examples/data/uzbl/scripts/session.sh b/examples/data/uzbl/scripts/session.sh
index 4dbae55..4f1e045 100755
--- a/examples/data/uzbl/scripts/session.sh
+++ b/examples/data/uzbl/scripts/session.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # Very simple session manager for uzbl.  When called with "endsession" as the
 # argument, it'll backup $sessionfile, look for fifos in $fifodir and
@@ -26,7 +26,7 @@ fi
 
 case $act in
   "launch" )
-    urls=$(cat $sessionfile)
+    urls=`cat $sessionfile`
     if [ "$urls." = "." ]; then
       $UZBL
     else
diff --git a/examples/data/uzbl/scripts/yank.sh b/examples/data/uzbl/scripts/yank.sh
index ee140c7..ddd0a4b 100755
--- a/examples/data/uzbl/scripts/yank.sh
+++ b/examples/data/uzbl/scripts/yank.sh
@@ -1,3 +1,4 @@
+#!/bin/sh
 # use this script to pipe any variable to xclip, so you have it in your clipboard
 # in your uzbl config, make the first argument the number of the (later) argument you want to use (see README for list of args)
 # make the 2nd argument one of : primary, secondary, clipboard.
@@ -5,8 +6,10 @@
 # bind    yurl      = spawn ./examples/scripts/yank.sh 6 primary
 # bind    ytitle    = spawn ./examples/scripts/yank.sh 7 clipboard
 
+clip=xclip
+
 which xclip &>/dev/null || exit 1
-[ "$9" == primary -o "$9" == secondary -o "$9" == clipboard ] || exit 2
+[ "x$9" = xprimary -o "x$9" = xsecondary -o "x$9" = xclipboard ] || exit 2
 
-echo echo -n "${!8}" '|' xclip -selection $9
-echo -n "${!8}" | xclip -selection $9
+echo "echo -n '${8}' | $clip -selection $9"
+echo -n "'${8}' | $clip -selection $9"