fsteffenhagen · June 16, 2026 12:30 · iamh2o · Jul 16, 2021 · jkern888 · Mar 18, 2022
diff --git a/sum_filesize.sh b/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
	# 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
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