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Full Discussion: How to cut only letters?
Top Forums UNIX for Dummies Questions & Answers How to cut only letters? Post 302851767 by Scott on Monday 9th of September 2013 03:24:21 PM
Old 09-09-2013
Plus, is "cut only letters" the real intention? Isn't it only number that are wanted?

Code:
$ cat x
 echo aBc123De | tr -d '[:alpha:]' 

$ cat <(cat x) | tr -d '[:alpha:]'
  123 |  - '[::]' 

# cat <(cat <(cat x)) | tr -d '[a-zA-Z]'
  123 |  - '::'

Code:
$ grep -o "[0-9]\+" x
123

 

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gnomevfs-cat(1)                                                    User Commands                                                   gnomevfs-cat(1)

NAME
gnomevfs-cat - print a file to standard output using the VFS system SYNOPSIS
gnomevfs-cat URI DESCRIPTION
gnomevfs-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% gnomevfs-cat http://www.sun.com Example 2: Cat a Local File example% gnomevfs-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/gnomevfs-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-vfs | +-----------------------------+-----------------------------+ |Interface stability |External | +-----------------------------+-----------------------------+ SEE ALSO
gnomevfs-copy(1), gnomevfs-info(1), gnomevfs-ls(1), gnomevfs-mkdir(1) NOTES
Written by Stephen Browne, Sun Microsystems Inc., 2004. SunOS 5.10 6 Sep 2004 gnomevfs-cat(1)
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