S6-HEAD(1)

NAME
s6-head - print the first lines of input files

SYNOPSIS
s6-head [-S] [-1..9 | -n lines | -c chars] file...

DESCRIPTION
s6-head acts as the generic head [1] utility.

OPTIONS

  Standard options

-n number
    Print the first number lines from file to stdout.

  Non-standard options

-S  Safe mode. s6-head stops reading its input files right after getting all the lines it needs. The rest of the stream can then be handled by other utilities without any data loss.

-1..9
    Equivalent to ‘-n 1’ .. ‘-n 9’.

-c chars
    Cuts after chars characters instead of lines lines.

EXIT STATUS

111 Temporary error.

100 Permanent error, such as a misuse.

127 Unable to execute program - not found.

126 Unable to execute program - other reason.

SEE ALSO
s6-basename(1), s6-cat(1), s6-chmod(1), s6-chown(1), s6-clock(1), s6-cut(1), s6-dirname(1), s6-dumpenv(1), s6-echo(1), s6-env(1), s6-expr(1), s6-false(1), s6-format-filter(1), s6-grep(1), s6-hiercopy(1), s6-linkname(1), s6-ln(1), s6-ls(1), s6-maximumtime(1), s6-mkdir(1), s6-mkfifo(1), s6-nice(1), s6-nuke(1), s6-pause(1), s6-printenv(1), s6-quote(1), s6-quote-filter(1), s6-rename(1), s6-rmrf(1), s6-seq(1), s6-sleep(1), s6-sort(1), s6-sync(1), s6-tai64ndiff(1), s6-tail(1), s6-touch(1), s6-true(1), s6-uniquename(1), s6-unquote(1), s6-unquote-filter(1), s6-update-symlinks(1), seekablepipe(1)

[1] https://pubs.opengroup.org/onlinepubs/9699919799/utilities/head.html

This man page is ported from the authoritative documentation at: https://skarnet.org/software/s6-portable-utils/s6-head.html

STANDARDS
s6-head is suitable as a head [1] program conforming to susv4 / p1003.1-2008.

AUTHORS
Laurent Bercot Alexis <flexibeast@gmail.com> (man page port)