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file_manipulation:warp:d97df
Sum all numbers in a file
$ awk 'BEGIN {OFMT = "%.0f"} { sum += $1 } END { print sum }' ${file_name}
try on your machine
This command uses the awk
programming language to process a file and perform a specific operation. Here's a breakdown of each component:
awk
: The command itself, which is used to execute AWK programs.'BEGIN {OFMT = "%.0f"}
: AWK program code that is executed once before reading the file.OFMT
is a built-in variable that controls the output format for numbers. In this case, it is set to"%.0f"
, which means numbers will be printed without any decimal places.sum += $1
: AWK program code that is executed for each line of the file. It adds the value of the first field ($1
) to thesum
variable.END { print sum }
: AWK program code that is executed after reading the entire file. It prints the final value of thesum
variable.
${file_name}
: The variable ${file_name}
is the placeholder for the actual filename you want to process. You need to replace ${file_name}
with the actual name of the file.
Overall, this command calculates the sum of the values in the first field of each line in the input file and prints the total without any decimal places.
This explanation was created by an AI. In most cases those are correct. But please always be careful and
never run a command you are not sure if it is safe.