07-22-2014
Replace cat and grep with <
Hello
someone told me to use
OS=`awk '{print int($3)}' < /etc/redhat-release`
instead of
OS=cat /etc/redhat-release | `awk '{print int($3)}'`
any idea for the reason ?
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LEARN ABOUT OPENSOLARIS
gvfs-cat
gvfs-cat(1) User Commands gvfs-cat(1)
NAME
gvfs-cat - print a file to standard output using the VFS system
SYNOPSIS
gvfs-cat URI
DESCRIPTION
gvfs-cat prints a file to standard output using the virtual file system to access the file via a URI.
OPERANDS
The following operands are supported:
URI Specifies the file location in standard URI format.
EXAMPLES
Example 1: Cat a File From a Web Server
example% gvfs-cat http://www.sun.com
Example 2: Cat a Local File
example% gvfs-cat file:///home/user/README.txt
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-cat Executable to print a file to standard output 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-monitor-dir(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-cat(1)