--- /dev/null
+#!/bin/sh
+
+INSTALL_DIR=$(dirname $0)
+
+$INSTALL_DIR/monitor_proc -s /proc/stat
+while true; do
+ sleep 1
+ $INSTALL_DIR/monitor_proc /proc/stat | \
+ awk '
+BEGIN { printf "cpu:" }
+/cpu[0-9]/ {
+ idle=$5
+ sum=0; for (i=2;i<=NF;i++) sum+=$(i)
+ load=(sum-idle)*100/sum
+ tot+=load
+ if (not_first) not_first=1; else printf " +"
+ printf " % 5.1f%%", load
+}
+END { printf " = % 6.1f%%\n", tot }'
+done
--- /dev/null
+#!/bin/bash
+
+# default values
+PROGNAME=$(basename $0)
+FULLPROG=$0
+
+# usage
+function usage () {
+ echo "usage: $PROGNAME [-h] [-r] cmd"
+ echo " -h: help message"
+ echo " -s: set stats"
+ echo " -r: reset stats"
+ echo "cmd: shell command"
+}
+
+# reset
+function reset () {
+ echo "reseting stats"
+ [ -f $resource ] && rm $resource
+}
+
+# variables
+set=
+cmd=
+resource=$HOME/.$PROGNAME
+
+# parameter processing
+while [ $# -gt 0 ]; do
+ if [ "$cmd" ]; then
+ cmd="$cmd $1"
+ else
+ case "$1" in
+ -h) usage; exit 0;;
+ -s) set="yes";;
+ -r) reset; exit 0;;
+ *) cmd="$1";;
+ esac
+ fi
+ shift
+done
+
+# check arguments
+[ "$cmd" ] || { echo "no command specified"; exit 1; }
+[ "$(which ${cmd/ *})" ] || { echo "command not found '$cmd'"; exit 1; }
+
+# read old values
+[ -f $resource ] && source $resource
+
+# main
+var=$(echo _$cmd | sed 's/[^A-Za-z0-9]/_/g;s/__*/_/g')
+newvar=($(eval $cmd | awk '{ for (i = 1; i <= NF; i++) if ($(i) ~ /^[-+0-9][0-9]*$/) printf " %s", $(i) }'))
+eval oldvar=(\${$var[@]})
+
+# compute diff
+for ((i=0; i<${#newvar[@]}; i++)); do
+ [ "${oldvar[$i]}" ] && v[$i]=$((newvar[i] - oldvar[i])) || v[$i]=${newvar[$i]}
+done
+
+# ouput
+if [ "$set" = "yes" ]; then
+ echo "$var=(${newvar[@]})" >>$resource
+ awk -F= '{ a[$1]=$2 } END { for (i in a) print i "=" a[i] }' $resource > $resource.n
+ mv -f $resource.n $resource
+else
+ str=""
+ for ((i=0; i<${#v[@]}; i++)); do
+ str="$str; v[$i]=${v[$i]}"
+ done
+ eval $cmd | gawk 'BEGIN { k=0 '"$str"' } { n = 1; for (i=1; i<=NF; i++) if ($(i) ~ /^[-+0-9][0-9]*$/) { if ((i == 1) && ! ($0 ~ /^ /)) $(i) = v[k]; else $0 = gensub(/ [-+0-9][0-9]*/, " " v[k], n); k++; n++ } print }'
+fi
--- /dev/null
+#!/bin/bash
+
+# default values
+PROGNAME=$(basename $0)
+FULLPROG=$0
+
+# usage
+function usage () {
+ echo "usage: $PROGNAME [-h] [-r] file"
+ echo " -h: help message"
+ echo " -s: set stats"
+ echo " -r: reset stats"
+ echo " file: data to monitor"
+}
+
+# reset
+function reset () {
+ echo "reseting stats"
+ [ -f $resource ] && rm $resource
+}
+
+# variables
+set=
+files=
+resource=$HOME/.$PROGNAME
+
+# parameter processing
+while [ $# -gt 0 ]; do
+ case "$1" in
+ -h) usage; exit 0;;
+ -s) set="yes";;
+ -r) reset; exit 0;;
+ *) files="$files $1";;
+ esac
+ shift
+done
+
+# check arguments
+[ "$files" ] || { echo "no file specified"; exit 1; }
+
+# read old values
+[ -f $resource ] && source $resource
+
+for f in $files; do
+
+ # check file
+ f=$(echo $f | sed 's,//*,/,g')
+ [ -f $f ] || { echo "can't find file '$f'"; exit 1; }
+
+ # main
+ var=${f//\//_}
+ newvar=($(awk '{ for (i = 1; i <= NF; i++) if ($(i) ~ /^[-+0-9][0-9]*$/) printf " %s", $(i) }' $f))
+ eval oldvar=(\${$var[@]})
+
+ # compute diff
+ for ((i=0; i<${#newvar[@]}; i++)); do
+ [ "${oldvar[$i]}" ] && v[$i]=$((newvar[i] - oldvar[i])) || v[$i]=${newvar[$i]}
+ done
+
+ # ouput
+ if [ "$set" = "yes" ]; then
+ echo "$var=(${newvar[@]})" >>$resource
+ else
+ str=""
+ for ((i=0; i<${#v[@]}; i++)); do
+ str="$str; v[$i]=${v[$i]}"
+ done
+ awk 'BEGIN { k=0 '"$str"' } { for (i=1; i<=NF; i++) if ($(i) ~ /^[-+0-9][0-9]*$/) $(i)=v[k++]; print }' $f
+ fi
+
+done
+
+# clean resource file
+if [ "$set" = "yes" ]; then
+ awk -F= '{ a[$1]=$2 } END { for (i in a) print i "=" a[i] }' $resource > $resource.n
+ mv -f $resource.n $resource
+fi
\ No newline at end of file