keep-header
Keep first line untouched by a command, passing it directly to stdout. tldr-pages
On several platforms
Several platforms
Sort a file and keep the first line at the top
keep-header path/to/file -- sortIdentifyOutput first line directly to stdout, passing the remainder of the file through the specified command
keep-header path/to/file -- commandIdentifyRead from stdin, sorting all except the first line
cat path/to/file | keep-header -- commandIdentifyGrep a file, keeping the first line regardless of the search pattern
keep-header path/to/file -- grep patternIdentify