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|
#!/bin/bash
LABEL=${LABEL:"+"}
TYPE="${TYPE:-mem}"
awk -v type=$TYPE '
/^MemTotal:/ {
mem_total=$2
}
/^MemFree:/ {
mem_free=$2
}
/^Buffers:/ {
mem_free+=$2
}
/^Cached:/ {
mem_free+=$2
}
END {
free=mem_free/1024/1024
used=(mem_total-mem_free)/1024/1024
total=mem_total/1024/1024
pct=0
if (total > 0) {
pct=used/total*100
}
# Full text.
# printf("%s %.1fG/%.1fG (%.f%%)\n", LABEL, used, total, pct)
printf("%s %.1fG\n", LABEL, used)
# Short text.
printf("%s %.f%%\n", LABEL, pct)
# Color.
if (pct > 90) {
print("#FF0000")
} else if (pct > 80) {
print("#FFAE00")
} else if (pct > 70) {
print("#FFF600")
}
}
' /proc/meminfo
|
