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Top Forums Shell Programming and Scripting Outputting Errors to a Log file Post 303013085 by Stellaman1977 on Wednesday 14th of February 2018 02:26:27 PM
Old 02-14-2018
Quote:
Originally Posted by jim mcnamara
printf does not open and print a file you want cat

Code:
cp -R /dir/dir/dir /dir2/dir2/dir2 2>&1 || cat /dir/dir/logfile

This only displays logfile when there is an error, which I guess is what you want. Note the double pipe.
Thanks. Just to be clear, I don't want to display the log file. I want the existing log file (text document) to record any errors that happened during copying. Does this do that? Also, why the double pipe? This means do the second command if the first failed- correct? What are the two commands?
 

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gvfs-monitor-dir(1)						   User Commands					       gvfs-monitor-dir(1)

NAME
gvfs-monitor-dir - monitor the change of a directory content using the VFS system SYNOPSIS
gvfs-monitor-dir URI DESCRIPTION
gvfs-monitor-dir monitors the change content of a directory using the VFS system. If anything changes inside the directory, gvfs-monitor- dir will print a message informing of the event. OPERANDS
The following operands are supported: URI Specifies the directory location in standard URI format. EXAMPLES
Example 1: Monitor a local directory example% gvfs-monitor-dir file:///tmp/example ENVIRONMENT VARIABLES
See environ(5) for descriptions of the following environment variables: NLSPATH. EXIT STATUS
The exit value 0 is returned regardless of success or failure. FILES
The following files are used by this application: /usr/bin/gvfs-monitor-dir Executable to monitor the change content of a directory using the VFS system. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWgnome-gvfs | +-----------------------------+-----------------------------+ |Interface stability |Volatile | +-----------------------------+-----------------------------+ SEE ALSO
gvfs-copy(1), gvfs-info(1), gvfs-less(1), gvfs-ls(1), gvfs-mkdir(1) gvfs-cat(1), gvfs-monitor-file(1), gvfs-mount(1), gvfs-move(1), gvfs- rename(1), gvfs-open(1), gvfs-rm(1), gvfs-save(1), gvfs-trash(1), gvfs-tree(1), attributes(5), environ(5) NOTES
Written by Alvaro Lopez Ortega, Sun Microsystems Inc., 2008. SunOS 5.11 25 Mar 2008 gvfs-monitor-dir(1)
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