Check file exists from a shellscript Post: 302309949

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Check if file exists

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LEARN ABOUT OPENDARWIN

readahead

readahead(8)						      System Manager's Manual						      readahead(8)

NAME

       readahead - file preloader for boot process optimization

SYNOPSIS

       readahead [options] <file-list> [another-file-list [...]]

DESCRIPTION

       readahead is a files preloader designed to optimize the disk I/O during the boot process.

OPTIONS

       -b, --build
	      build optimised files list only, without sorting.

       -s, --sort
	      build and sort list of files only (implies -b).

       -o, --output <file>
	      write sorted list of files to file.

       -d, --dont-sort
	      preload files described by an already sorted files list.

       -h, --help
	      print the usage information.

       -v, --verbose
	      enable the verbose mode.

       -t, --timing
	      report time spent on each operation.

       -m, --maxsize <max size>
	      maximum size in KiB a file can be in order to be preloaded, default is 10240.

       <file-list> [another-file-list [...]]
	      One or more files containing the list of files to be preloaded or sorted. The files list can be generated by readahead-collector(8).

FILES

       /etc/default/readahead-fedora

SEE ALSO

       readahead-collector(8), readahead(2),

AUTHORS

       Arjan van de Ven <arjan@infradead.org>,
	      Ziga Mahkovec <ziga.mahkovec@klika.si>, Karel Zak <kzak@redhat.com>,

       This manual page was written by Raphael Geissert <geissert@debian.org>

								     July 2011							      readahead(8)

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