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fsteffenhagen/sum_filesize.sh

Last active April 15, 2024 10:04
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sum human readable file sizes with numfmt and awk
Raw
sum_filesize.sh
# Input: list of rows with format: "<filesize> filename", e.g.
# filesizes.txt
#######################
# 1000K file1.txt
# 200M file2.txt
# 2G file3.txt
#
# Output:
cat filesizes.txt | numfmt --from=iec | awk 'BEGIN {sum=0} {sum=sum+$1} END {printf "%.0f\n", sum}'
2358222848
cat filesizes.txt | numfmt --from=iec | awk 'BEGIN {sum=0} {sum=sum+$1} END {printf "%.0f\n", sum}' | numfmt --to=iec
2.2G
@chunyang-wen
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on MacOS

brew install coreutils

Then enjoy numfmt

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