128 lines
3.3 KiB
Bash
Executable File
128 lines
3.3 KiB
Bash
Executable File
#!/bin/bash
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# Script to show meminfo
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# Created by q3aql (q3aql@duck.com)
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# Licensed by GPL v.2
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# Date: 10-01-2020
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# --------------------------------------
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VERSION="1.0"
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# Configuration variables
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memfile="/proc/meminfo"
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size="G" # Change to M for MiB
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# Check if calc is installed
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calc -version &> /dev/null
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error=${?}
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if [ ${error} -ne 0 ] ; then
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echo ""
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echo " meminfo v$VERSION"
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echo " ------------"
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echo ""
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echo " The command 'calc' is not installed!"
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echo ""
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echo " You can install it with:"
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echo " sudo apt-get install apcalc"
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echo ""
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exit
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fi
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# Variables
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memTotal=$(cat ${memfile} | grep -i "memtotal:" | head -1 | tr -s " " | cut -d " " -f 2)
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memActive=$(cat ${memfile} | grep -i "memavailable:" | head -1 | tr -s " " | cut -d " " -f 2)
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memActive=$(expr ${memTotal} - ${memActive})
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# Variables to calculate
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memTotalM=$(expr ${memTotal} / 1024 )
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memActiveM=$(expr ${memActive} / 1024)
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memPercentage=$(calc ${memActive} / ${memTotal} \* 100)
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memTotalG=$(calc ${memTotalM} / 1024 | tr -s " " | cut -c1-5)
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memActiveG=$(calc ${memActiveM} / 1024 | tr -s " " | cut -c1-5)
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# Variables to show
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showMemPercentage=$(echo ${memPercentage} | cut -d "~" -f 2 | cut -d "." -f 1)
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if [ "${size}" == "G" ] ; then
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showMemTotal="${memTotalG} GiB"
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showMemActive="${memActiveG} GiB"
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elif [ "${size}" == "M" ] ; then
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showMemTotal="${memTotalM} MiB"
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showMemActive="${memActiveM} MiB"
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else
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showMemTotal="${memTotalG} GiB"
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showMemActive="${memActiveG} GiB"
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fi
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# Show percentage bar
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if [ ${showMemPercentage} -ge 3 ] ; then
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showMemPercentageBar="="
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fi
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if [ ${showMemPercentage} -ge 12 ] ; then
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showMemPercentageBar="==="
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fi
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if [ ${showMemPercentage} -ge 25 ] ; then
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showMemPercentageBar="====="
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fi
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if [ ${showMemPercentage} -ge 35 ] ; then
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showMemPercentageBar="======"
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fi
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if [ ${showMemPercentage} -ge 40 ] ; then
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showMemPercentageBar="======="
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fi
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if [ ${showMemPercentage} -ge 45 ] ; then
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showMemPercentageBar="========"
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fi
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if [ ${showMemPercentage} -ge 50 ] ; then
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showMemPercentageBar="=========="
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fi
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if [ ${showMemPercentage} -ge 62 ] ; then
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showMemPercentageBar="============="
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fi
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if [ ${showMemPercentage} -ge 75 ] ; then
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showMemPercentageBar="==============="
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fi
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if [ ${showMemPercentage} -ge 85 ] ; then
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showMemPercentageBar="================="
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fi
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if [ ${showMemPercentage} -ge 90 ] ; then
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showMemPercentageBar="=================="
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fi
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if [ ${showMemPercentage} -ge 95 ] ; then
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showMemPercentageBar="==================="
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fi
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if [ ${showMemPercentage} -ge 100 ] ; then
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showMemPercentageBar="===================="
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fi
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# Show results
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if [ "$1" == "-t" ] ; then
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echo ${showMemTotal}
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elif [ "$1" == "-a" ] ; then
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echo ${showMemActive}
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elif [ "$1" == "-p" ]; then
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echo ${showMemPercentage}%
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elif [ "$1" == "-b" ]; then
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echo ${showMemPercentageBar}
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else
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showMemTotalNoSpaces=$(echo ${showMemTotal})
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showMemActiveNoSpaces=$(echo ${showMemActive})
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echo ""
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echo " meminfo v$VERSION"
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echo " ------------"
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echo ""
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echo " MemTotal = ${showMemTotalNoSpaces}"
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echo " MemActive = ${showMemActiveNoSpaces}"
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echo ""
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echo " MemPercentage Use:"
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echo " ${showMemPercentageBar} ${showMemPercentage}%"
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echo ""
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echo " Available commands:"
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echo ""
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echo " meminfo.sh -t | Show MemTotal"
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echo " meminfo.sh -a | Show MemActive"
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echo " meminfo.sh -p | Show MemPercentage"
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echo " meminfo.sh -b | Show MemPercentage Bar"
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echo ""
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echo " Note: Conky require 'maximum_width = 240'"
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echo ""
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fi
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