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Full Discussion: substring ??
Top Forums Shell Programming and Scripting substring ?? Post 302138349 by vino on Monday 1st of October 2007 07:54:31 AM
Old 10-01-2007
Quote:
Originally Posted by varungupta
I execute command on this file and it gives o/p like this.

COMMAND $ fuser -f /clocal/sanjay/AccessMonitor

/clocal/sanjay/AccessMonitor: 1368322c

To truncate 'c', i used tr -dc "[:digit:]\n" but then it does't give 1368322 as O/P.

Any help ??
What is the input to the tr command ?

For me that tr command works fine.
Code:
[/tmp]$ echo 123abc | tr -dc "[:digit:]\n"
123
[/tmp]$

 

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GRUB-RENDER-LABEL(1)                                               User Commands                                              GRUB-RENDER-LABEL(1)

NAME
grub-render-label - generate a .disk_label for Apple Macs. SYNOPSIS
grub-render-label [OPTION...] [OPTIONS] DESCRIPTION
Render Apple .disk_label. -b, --bgcolor=COLOR use COLOR for background -c, --color=COLOR use COLOR for text -f, --font=FILE use FILE as font (PF2). -i, --input=FILE read text from FILE. -o, --output=FILE set output filename. Default is STDOUT -t, --text=STRING set the label to render -v, --verbose print verbose messages. -?, --help give this help list --usage give a short usage message -V, --version print program version Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options. REPORTING BUGS
Report bugs to <bug-grub@gnu.org>. SEE ALSO
The full documentation for grub-render-label is maintained as a Texinfo manual. If the info and grub-render-label programs are properly installed at your site, the command info grub-render-label should give you access to the complete manual. grub-render-label (GRUB) 2.02-2ubuntu8.3 July 2018 GRUB-RENDER-LABEL(1)
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