09-01-2009
Hold previous date
A file named abc.txt being updated with date value by one process.
Say , today it s updating the file with value
01-09-2009
Fine. Tomorrow the process will override the file with tomorrow date (02-09-2009) .Insome case the process will overriding the file with empty string.
So I want script to check whether the file has value or empty string. If some value means leave it as it is . if empty string means , the script should override the file with previous dae value (01-09-2009). and i scrit should delete if any whitspace or tab or empty newline charectedr from the file
Thanks in advance
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LEARN ABOUT DEBIAN
nwdiag
NWDIAG(1) General Commands Manual NWDIAG(1)
NAME
nwdiag - generate network-diagram image file from spec-text file.
SYNOPSIS
nwdiag [options] files
DESCRIPTION
This manual page documents briefly the nwdiag commands.
nwdiag is generate sequence-diagram image file from spec-text file.
OPTIONS
These programs follow the usual GNU command line syntax, with long options starting with two dashes (`-'). A summary of options is
included below. For a complete description, see the Info files.
-h, --help
show this help message and exit.
--version
show program's version number and exit.
-a, --antialias
Pass diagram image to anti-alias filter.
-c FILE, --config=FILE
read configurations from FILE.
-o FILE
write diagram to FILE.
-f FONT, --font=FONT
use FONT to draw diagram.
-T TYPE
Output diagram as TYPE format.
SEE ALSO
The programs are documented fully by
http://blockdiag.com/en/nwdiag/
AUTHOR
nwdiag was written by Takeshi Komiya <i.tkomiya@gmail.com>
This manual page was written by Kouhei Maeda <mkouhei@palmtb.net>, for the Debian project (and may be used by others).
June 11, 2011 NWDIAG(1)