Linux Certif

Toute la documentation sur la certification Linux LPI

gfgrep

NAME

gfgrep - search a file for a pattern

SYNOPSIS

gfrun gfarm:gfgrep -o output-gfarm-URL pattern input-gfarm-URL ...

gfrun gfarm:gfgrep -o output-gfarm-URL -e pattern input-gfarm-URL ...

DESCRIPTION

gfgrep is a sample program of parallel applications executed by gfrun(1) as well as an example to create a Gfarm file in the local file view.

gfgrep searches a pattern from input-gfarm-URL, and outputs to output-gfarm-URL.

Every parallel application executed by gfrun(1) should interpret the -I and -N options that show the rank and the size of the parallel program, respectively, and call gfs_pio_set_local().

OPTIONS

-e pattern

is useful to protect patterns beginning with -.

-o gfarm-URL

specifies an output Gfarm file.

-?

displays a list of command options.