23683f5155
This is the script that generated the "20 ports account for X% of the Ports collection by size" report. This shells script is useful to identify obscenely large ports: top-size-offenders.sh
46 lines
1.6 KiB
Bash
Executable file
46 lines
1.6 KiB
Bash
Executable file
#!/bin/sh
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#
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# This script produces a report like this:
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#
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# Combined size of ports: 510.5 Mb
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# The Top 20 ports by size account for 15.14% of the collection
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# ====================================================================
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# [snipped 15 rows]
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# 0.37% 1.87Mb security/cracklib
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# 0.66% 3.38Mb security/vuxml
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# 0.87% 4.42Mb print/texlive-texmf
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# 2.82% 14.41Mb java/openjdk7
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# 6.79% 34.66Mb java/openjdk8
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# ====================================================================
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# 15.14% 77.29Mb
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#
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# Written by John Marino <marino@FreeBSD.org> one rainy day just because ...
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#
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TOP=20
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DUK="du -kd 1 -t 200k [a-z]*"
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DASH="======================================================================="
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SCRATCH=/tmp/topX
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AWKCMD1='BEGIN { FS="/"; }{ if (NF == 2) { print $0; }}'
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AWKCMD2='BEGIN { total=0; } { total = total + $1 } END { print total }'
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AWKCMD3='{ pc=100.0*$1/total; mega=$1/1024.0; \
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printf("%5.2f%% %5.2fMb %s\n", pc, mega, $2)}'
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cd /usr/ports && ${DUK} | awk "${AWKCMD1}" | sort -n | tail -n ${TOP} \
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> ${SCRATCH}
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total=$(du -sk /usr/ports/[a-z]* | awk "${AWKCMD2}")
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outlaws=$(awk "${AWKCMD2}" ${SCRATCH})
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megabytes=$(bc -e "scale = 2; ${total} / 1024" -e quit)
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bloat=$(bc -e "scale = 2; ${outlaws} / 1024" -e quit)
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PC=$(bc -e "scale = 2; 100 * ${outlaws} / ${total}" -e quit)
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printf "Combined size of ports: %1.1f Mb\n" ${megabytes}
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printf "The Top %d ports by size account for %1.2f%% of the collection\n" \
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${TOP} ${PC}
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echo ${DASH}
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awk -v total=${total} "${AWKCMD3}" ${SCRATCH}
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echo ${DASH}
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printf "%5.2f%% %5.2fMb\n" ${PC} ${bloat}
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rm ${SCRATCH}
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