From 1f318a0e23f1ec01095beeff858252f78eeff4c0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rapha=C3=ABl=20Pinson?= <raphink@rpinson>
Date: Wed, 1 Apr 2009 17:45:14 +0200
Subject: [PATCH 1/7] Added battery_state to monitor battery state.

---
 bin/battery_state | 85 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100755 bin/battery_state

diff --git a/bin/battery_state b/bin/battery_state
new file mode 100755
index 00000000..02652b0c
--- /dev/null
+++ b/bin/battery_state
@@ -0,0 +1,85 @@
+#!/bin/sh -e
+#
+#  battery_state: print the state of the battery
+#  Copyright (C) 2009 Raphaël Pinson.
+#
+#  Authors: Raphaël Pinson <raphink@ubuntu.com>
+#
+#  This program is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 3 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+
+search () {
+   local str expr
+   str="$1"
+   expr="$2"
+   
+   echo "$str" | sed -n "s/${expr}/\1/p"
+}
+
+
+BATS=$(ls /proc/acpi/battery)
+NB=$(echo "$BATS" | wc -l)
+
+for bat in $BATS; do
+   if [ "$NB" -gt 1 ]; then
+      echo -n "$bat: "
+   fi
+
+   # read files once
+   infofile=$(cat "/proc/acpi/battery/$bat/info")
+   statefile=$(cat "/proc/acpi/battery/$bat/state")
+
+   present=$(search "$infofile" "present: *\(.*\)")
+
+   if [ "x${present}" = "xno" ]; then
+      echo "n/a"
+      break
+   fi
+
+   full=$(search "$infofile" "last full capacity: *\(.*\) m[AW]h")
+   warn=$(search "$infofile" "design capacity warning: \(.*\) m[AW]h")
+   low=$(search "$infofile" "design capacity low: \(.*\) m[AW]h")
+   
+   rem=$(search "$statefile" "remaining capacity: *\(.*\) m[AW]h")
+   if [ "$rem" -lt "$low" ]; then
+      alert="! "
+   elif [ "$rem" -lt "$warn" ]; then
+      alert="/!\ "
+   else
+      alert=""
+   fi
+
+   percent=$(echo "100*$rem/$full" | bc)
+   state=$(search "$statefile" "charging state: *\(.*\)")
+
+   case $state in
+      charging)
+         sign="+"
+         ;;
+      discharging)
+         sign="-"
+         ;;
+      charged)
+         sign="="
+         ;;
+      *)
+         sign=" $state"
+         ;; 
+   esac
+
+   echo "${alert}${percent}%${sign}"
+done
+
+

From 6841c9d26bb93d627129f2179d467a7c50b4182c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rapha=C3=ABl=20Pinson?= <raphink@rpinson>
Date: Wed, 1 Apr 2009 17:47:40 +0200
Subject: [PATCH 2/7] Use colors in alerts in battery_state.

---
 bin/battery_state | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/bin/battery_state b/bin/battery_state
index 02652b0c..6be45a19 100755
--- a/bin/battery_state
+++ b/bin/battery_state
@@ -54,9 +54,9 @@ for bat in $BATS; do
    
    rem=$(search "$statefile" "remaining capacity: *\(.*\) m[AW]h")
    if [ "$rem" -lt "$low" ]; then
-      alert="! "
+      alert="\005{=b .r}! "
    elif [ "$rem" -lt "$warn" ]; then
-      alert="/!\ "
+      alert="\005{= .y}/!\ "
    else
       alert=""
    fi

From 8e761ca50cf01b2d00a2fc276fc90df38c8e5b3f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rapha=C3=ABl=20Pinson?= <raphink@rpinson>
Date: Wed, 1 Apr 2009 18:11:03 +0200
Subject: [PATCH 3/7] Display "/!\" for both warn and low alert. The color now
 makes the difference.

---
 bin/battery_state | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bin/battery_state b/bin/battery_state
index 6be45a19..45c8ad33 100755
--- a/bin/battery_state
+++ b/bin/battery_state
@@ -54,7 +54,7 @@ for bat in $BATS; do
    
    rem=$(search "$statefile" "remaining capacity: *\(.*\) m[AW]h")
    if [ "$rem" -lt "$low" ]; then
-      alert="\005{=b .r}! "
+      alert="\005{=b .r}/!\ "
    elif [ "$rem" -lt "$warn" ]; then
       alert="\005{= .y}/!\ "
    else

From 8cd3937ed93904021aa466adc6578318fa6a93d9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rapha=C3=ABl=20Pinson?= <raphink@rpinson>
Date: Wed, 1 Apr 2009 18:25:32 +0200
Subject: [PATCH 4/7] Do not display /!\ since the colors indicate the
 criticity already

---
 bin/battery_state | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/bin/battery_state b/bin/battery_state
index 45c8ad33..0c8fb6d7 100755
--- a/bin/battery_state
+++ b/bin/battery_state
@@ -54,9 +54,9 @@ for bat in $BATS; do
    
    rem=$(search "$statefile" "remaining capacity: *\(.*\) m[AW]h")
    if [ "$rem" -lt "$low" ]; then
-      alert="\005{=b .r}/!\ "
+      alert="\005{=b .r}"
    elif [ "$rem" -lt "$warn" ]; then
-      alert="\005{= .y}/!\ "
+      alert="\005{= .y}"
    else
       alert=""
    fi

From e3bc19b5b5125d8802a3c2bc0c5461698c72ad5d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rapha=C3=ABl=20Pinson?= <raphink@rpinson>
Date: Wed, 1 Apr 2009 18:25:58 +0200
Subject: [PATCH 5/7] Only + is useful:   * Battery is discharging unless there
 is a "+";   * Full is obvious when the percentage reaches 100.

---
 bin/battery_state | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/bin/battery_state b/bin/battery_state
index 0c8fb6d7..6974359f 100755
--- a/bin/battery_state
+++ b/bin/battery_state
@@ -68,14 +68,8 @@ for bat in $BATS; do
       charging)
          sign="+"
          ;;
-      discharging)
-         sign="-"
-         ;;
-      charged)
-         sign="="
-         ;;
       *)
-         sign=" $state"
+         sign=""
          ;; 
    esac
 

From 17f530c2a2521f5847fb05a653151a4aa1f27afa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rapha=C3=ABl=20Pinson?= <raphink@rpinson>
Date: Wed, 1 Apr 2009 18:56:50 +0200
Subject: [PATCH 6/7] Apply the background to an ASCII art battery with a sign
 in it:   * - for discharging   * + for charging   * = for full

Change the background color of the ASCII art battery only to reflect the state:
  * green: OK
  * orange: warn
  * red: low
---
 bin/battery_state | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/bin/battery_state b/bin/battery_state
index 6974359f..2e3e2172 100755
--- a/bin/battery_state
+++ b/bin/battery_state
@@ -54,13 +54,14 @@ for bat in $BATS; do
    
    rem=$(search "$statefile" "remaining capacity: *\(.*\) m[AW]h")
    if [ "$rem" -lt "$low" ]; then
-      alert="\005{=b .r}"
+      color="\005{= r.}"
    elif [ "$rem" -lt "$warn" ]; then
-      alert="\005{= .y}"
+      color="\005{= y.}"
    else
-      alert=""
+      color="\005{= g.}"
    fi
 
+
    percent=$(echo "100*$rem/$full" | bc)
    state=$(search "$statefile" "charging state: *\(.*\)")
 
@@ -68,12 +69,18 @@ for bat in $BATS; do
       charging)
          sign="+"
          ;;
+      discharging)
+         sign="-"
+         ;;
+      charged)
+         sign="="
+         ;;
       *)
-         sign=""
+         sign="$state"
          ;; 
    esac
 
-   echo "${alert}${percent}%${sign}"
+   echo "${color}|${sign}|\005{-}${percent}%"
 done
 
 

From 5f1598f6ae358806d8f526e1a3709a103e4caf1c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rapha=C3=ABl=20Pinson?= <raphink@rpinson>
Date: Thu, 2 Apr 2009 17:18:17 +0200
Subject: [PATCH 7/7] Added nb-users and uptime scripts.

---
 bin/nb-users | 23 +++++++++++++++++++++++
 bin/uptime   | 23 +++++++++++++++++++++++
 2 files changed, 46 insertions(+)
 create mode 100755 bin/nb-users
 create mode 100755 bin/uptime

diff --git a/bin/nb-users b/bin/nb-users
new file mode 100755
index 00000000..1fb1c9bc
--- /dev/null
+++ b/bin/nb-users
@@ -0,0 +1,23 @@
+#!/bin/sh -e
+#
+#  nb_users: print the number of users on the machine
+#  Copyright (C) 2009 Raphaël Pinson.
+#
+#  Authors: Raphaël Pinson <raphink@ubuntu.com>
+#
+#  This program is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 3 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+uptime | sed -e "s/.*, *\(.* user[s]*\), .*/\1/"
+
diff --git a/bin/uptime b/bin/uptime
new file mode 100755
index 00000000..c4bb3422
--- /dev/null
+++ b/bin/uptime
@@ -0,0 +1,23 @@
+#!/bin/sh -e
+#
+#  uptime: condensed uptime of the machine
+#  Copyright (C) 2009 Raphaël Pinson.
+#
+#  Authors: Raphaël Pinson <raphink@ubuntu.com>
+#
+#  This program is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 3 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+uptime | sed -e "s/.* up *\(.*\), *.* user[s]*, .*/\1/; s/ day[s]*, */d/"
+