bash return length of every nth row

Charles-Alexandre Roy answered on April 5, 2022 Popularity 1/10 Helpfulness 8/10

answer bash return length of every nth row

bash return length of every nth row

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# Basic syntax:
awk '(FNR%4==0) {print length($0)}' your_file.txt > trimmed_file.txt
# Where:
#	- FNR is the current file record number (typically the line number)
#	- (FNR%4==0) checks whether the current line number is evenly divisible by
#		4, to get the length of every 4th row
#	- For line numbers that are evenly divisible by 4, get the length with the
# 		awk length function

Popularity 1/10 Helpfulness 8/10 Language shell

Source: Grepper

Tags: bash get return row rows shell

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Contributed on Apr 05 2022

Charles-Alexandre Roy

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bash return length of every nth row

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