The following changes since commit 7d418adee720981954056c4ff6db053c6c1935c8:

  update readme (2016-05-02 17:11:51 -0700)

are available in the git repository at:

  . 

for you to fetch changes up to b62b8b7f15e758a7802a0cfd5ef44846daf63d39:

  Fix spelling to Celsius (2016-05-08 17:31:54 -0500)

----------------------------------------------------------------
David Dyer-Bennet (4):
      Remove --rigid from graphing
      Send error text to stderr
      Fix broken echo, remove function
      Fix spelling to Celsius

 rrd-graph.sh        | 14 +++++++-------
 rrd.sh              | 15 +++++++++------
 temps-rrd-format.sh |  2 +-
 3 files changed, 17 insertions(+), 14 deletions(-)

diff --git a/rrd-graph.sh b/rrd-graph.sh
index c0c0629..88ed545 100755
--- a/rrd-graph.sh
+++ b/rrd-graph.sh
@@ -10,10 +10,10 @@
 #####
 
 if [ -z $1 ]; then
-  echo "Error: you need to give an input filename as an argument. Ex:"
-  echo " $0 temps-Xmin.rrd"
-  echo
-  echo "Exiting..."
+  errprint "Error: you need to give an input filename as an argument. Ex:" 1>&@
+  errprint " $0 temps-Xmin.rrd" 1>&2
+  errprint 1>&2
+  errprint "Exiting..." 1>&2
   exit 1
 fi
 
@@ -73,15 +73,15 @@ write_graph_to_disk ()
   --font DEFAULT:7: \
   --title "${title}" \
   --watermark "`date`" \
-  --vertical-label "Celcius" \
-  --right-axis-label "Celcius" \
+  --vertical-label "Celsius" \
+  --right-axis-label "Celsius" \
   ${guidrule} \
   ${defsandlines} \
   --right-axis 1:0 \
   --alt-autoscale \
   --lower-limit ${MINGRAPHTEMP} \
   --upper-limit ${MAXGRAPHTEMP} \
-  --rigid > /dev/null
+  > /dev/null
   # "HRULE:${SAFETEMPLINE}#FF0000:Max safe temp - ${SAFETEMPLINE}"
   # "HRULE:${SAFETEMPLINE}#FF0000:Max-${SAFETEMPLINE}"
 }
diff --git a/rrd.sh b/rrd.sh
index 17bd6b2..c39afcf 100755
--- a/rrd.sh
+++ b/rrd.sh
@@ -14,18 +14,21 @@
 # # error on unset variables
 # set -o nounset
 
-
+function errprint () {
+    echo "$@" 1>&2
+}
 
 if [ "$(id -u)" != "0" ]; then
-  echo "Error: this script needs to be run as root (for smartctl). Try 'sudo $0 $1'"
+  errprint "Error: this script needs to be run as root (for smartctl). 
+Try 'sudo $0 $1'"
   exit 1
 fi
 
 if [ -z $1 ]; then
-  echo "Error: you need to give an output filename as an argument. Ex:"
-  echo " $0 outputdata.rrd"
-  echo
-  echo "Exiting..."
+  errprint "Error: you need to give an output filename as an argument. Ex:"
+  errprint " $0 outputdata.rrd"
+  errprint
+  errprint "Exiting..."
   exit 1
 fi
 
diff --git a/temps-rrd-format.sh b/temps-rrd-format.sh
index 6ad5cd8..b50e2ca 100755
--- a/temps-rrd-format.sh
+++ b/temps-rrd-format.sh
@@ -12,7 +12,7 @@ set -o errexit
 set -o nounset
 
 if [ "$(id -u)" != "0" ]; then
-  echo "Error: this script needs to be run as root (for smartctl). Try 'sudo $0'"
+  echo "Error: this script needs to be run as root (for smartctl). Try 'sudo $0'" 1>&2
   exit 1
 fi