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Full Discussion: vi and if statements
Top Forums Shell Programming and Scripting vi and if statements Post 302465727 by jlliagre on Saturday 23rd of October 2010 11:20:11 PM
Old 10-24-2010
Quote:
Originally Posted by jim mcnamara
Code:
#!/bin/bash
find $1 -type d | wc -l | read var
echo "Directory count: $var"

This script will count the current directory, the hidden directories and all subdirectories at any level too which is probably not be what the OP asks for. Moreover, while it would work in ksh, it can't in bash due to a (poor IMHO) bash implementation choice. The var variable setting is lost when trying to display its value.
A more portable way would be:
Code:
#!/bin/bash # or ksh, dash, ...
var=$(find $1 -type d | wc -l) 
echo "Directory count: $var"

That said, I have frankly no idea about what the open poster is asking for and especially how the thread title "vi and if statement" can relate to printing a number of directories ...
 

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LEARN ABOUT SUSE

bashbug

BASHBUG(1)						      General Commands Manual							BASHBUG(1)

NAME

       bashbug - report a bug in bash

SYNOPSIS

       bashbug [--version] [--help] [email-address]

DESCRIPTION

       bashbug	is  a shell script to help the user compose and mail bug reports concerning bash in a standard format.	bashbug invokes the editor
       specified by the environment variable EDITOR on a temporary copy of the bug report format outline. The user must fill  in  the  appropriate
       fields  and  exit  the  editor.	 bashbug  then	mails the completed report to bug-bash@gnu.org, or email-address.  If the report cannot be
       mailed, it is saved in the file dead.bashbug in the invoking user's home directory.

       The bug report format outline consists of several sections.  The first section provides information about the  machine,	operating  system,
       the  bash  version, and the compilation environment.  The second section should be filled in with a description of the bug.  The third sec-
       tion should be a description of how to reproduce the bug.  The optional fourth section is for a proposed fix.  Fixes are encouraged.

ENVIRONMENT

       bashbug will utilize the following environment variables if they exist:

       EDITOR Specifies the preferred editor. If EDITOR is not set, bashbug defaults to emacs.

       HOME   Directory in which the failed bug report is saved if the mail fails.

       TMPDIR Directory in which to create temporary files and directories.

SEE ALSO

       bash(1)

AUTHORS

       Brian Fox, Free Software Foundation
       bfox@gnu.org

       Chet Ramey, Case Western Reserve University
       chet@po.cwru.edu

GNU Bash-4.0							   1998 July 30 							BASHBUG(1)
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