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shuf:tldr:6821d
shuf: Only output the first 5 entries of the result.
$ shuf --head-count=${5} ${filename}
try on your machine
This command is using the "shuf" utility to randomly select a specific number of lines from a given file. Here's a breakdown of the command:
- "shuf": This is the command used to shuffle lines (or randomly select lines) from a given input.
- "--head-count=${5}": The "--head-count" option is used to specify the number of lines to be randomly selected. In this case, "${5}" indicates that the value is provided as the fifth argument when executing the command.
- "${filename}": This represents the name of the file from which the lines will be selected randomly. "${filename}" is a placeholder for the actual filename, which should be provided as an argument when running the command.
To summarize, the command "shuf --head-count=${5} ${filename}" will shuffle the lines in the specified file and select a specific number of lines based on the value provided as the fifth argument when running the command.
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.