06-16-2006
If statement
Hi,
I have a statement in shell script which i am writing below:
if [[ -a $OUTFILE ]]
then
.....
What is the meaning of -a option in files, meaning of the statement in the if condition [[ -a $OUTFILE ]] means.
Thanks
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LEARN ABOUT LINUX
initctl2dot
initctl2dot(8) System Manager's Manual initctl2dot(8)
NAME
initctl2dot - manual page for initctl2dot
SYNOPSIS
initctl2dot [OPTIONS]
DESCRIPTION
Convert initctl(8) output to GraphViz dot(1) format.
With no options, initctl(8) will be invoked automatically and the output written to file upstart.dot.
OPTIONS
-h Display usage statement.
-f INFILE , --infile=INFILE
File to read initctl(8) output from ("initctl show-config -e"). If not specified, initctl(8) will be run automatically.
-w OUTFILE , --outfile=OUTFILE
File to write output to.
-r RESTRICTIONS , --restrict-to-jobs=RESTRICTIONS
Limit display of start on and stop on conditions to comma-separated list of jobs.
--color-emits=COLOR_EMITS
Specify color for 'emits' lines.
--color-start-on=COLOR_START_ON
Specify color for 'start on' lines.
--color-stop-on=COLOR_STOP_ON
Specify color for 'stop on' lines.
--color-event=COLOR_EVENT
Specify color for event boxes.
--color-text=COLOR_TEXT
Specify color for summary text.
--color-bg=COLOR_BG
Specify background color for diagram.
--color-event-text=COLOR_EVENT_TEXT
Specify color for text in event boxes.
--color-job-text=COLOR_JOB_TEXT
Specify color for text in job boxes.
--color-job=COLOR_JOB
Specify color for job boxes.
AUTHOR
Written by James Hunt <james.hunt@ubuntu.com>
REPORTING BUGS
Report bugs at <https://launchpad.net/upstart/+bugs>
COPYRIGHT
Copyright (C) 2011 Canonical Ltd.
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
LAR PURPOSE.
SEE ALSO
init(8) initctl(8)
Upstart 2011-03-07 initctl2dot(8)