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Full Discussion: Automate the process of running jobs on several directories consecutively
Top Forums Shell Programming and Scripting Automate the process of running jobs on several directories consecutively Post 302556237 by agama on Saturday 17th of September 2011 11:25:16 AM
Old 09-17-2011
This should get you started:

Code:
#!/usr/bin/env ksh

set -e          # force exit if subshell fails
ls -d vf_* | while read dir
do
    (   # run in subshell to preserve original working directory
        if ! cd $dir
        then
            echo "abort: cannot switch to dir: $dir"
            exit 1
        fi

        echo "running command in: $dir"     # verbose for testing if needed
        #your-command-goes-here

        if  grep -q "success" output.dat
        then
            echo "successfully executed command in: $dir"
        else
            echo "abort: command failed in dir: $dir"
            exit 1
        fi
    )
done

exit

The script assumes that you need to switch into each directory before running your command. It aborts if the cd command fails, or if after running your command there isn't a success in output.dat. It also assumes that all directories are named vf_* and exist in the same directory.

I ran a quick test using Kshell; it probably works with bash, but I didn't test it under bash.

Hope this helps

---------- Post updated at 11:22 ---------- Previous update was at 11:17 ----------

I see we overlapped posts! You are making good progress.

Quote:
Originally Posted by lost.identity
The only problem is that I assume that each file is incremented by 50 (VF_50, VF_100, VF_150 etc.) but this may not always be the case. I'd like to make it more general.
You don't need to set i and increment it... use the variable you set in the loop:

Code:
for dir in vf_*
do
   cd $dir
   pwd
   cd ../
done

---------- Post updated at 11:25 ---------- Previous update was at 11:22 ----------

One more suggestion. You don't need to run your command asynchronously (you're not doing anything else while it runs), so drop the trailing ampersand (&) and the wait and it will make your script easier to read/maintain.
Last edited by agama; 09-17-2011 at 12:23 PM.. Reason: typo
 

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LEARN ABOUT FREEBSD

update-fonts-dir

update-fonts-dir(8)					      System Manager's Manual					       update-fonts-dir(8)

NAME

       update-fonts-dir - compile fonts.dir files

SYNOPSIS

       update-fonts-dir [OPTION] directory ...

DESCRIPTION

       update-fonts-dir creates a fonts.dir file in an X font directory by invoking mkfontdir(1x) with the appropriate arguments.  It is typically
       invoked only from the post-installation and post-removal scripts of a package containing fonts for the X Window System, but may be  invoked
       at  any	time  to  reconstruct  fonts.dir  files.   For	each directory, which is simply the last component of its path (such as '75dpi' or
       'misc'), update-fonts-dir will generate either /usr/lib/X11/fonts/directory/fonts.dir or /usr/share/fonts/X11/directory/fonts.dir from  the
       fonts.scale and font files found within it.

       This  enables  multiple packages to provide names for fonts in the same directory.  No font package actually provides the fonts.dir file in
       the X font directory itself, so there is no danger of overwriting one package's font names with those of another.

       For instance, the two packages  'xfonts-base'  (real)  and  'xfonts-nifty'  (hypothetical)  may	both  install  fonts  into  the  directory
       /usr/lib/X11/fonts/misc,  and  update-fonts-dir	will  ensure that the fonts.dir file in that directory contains information about the font
       files provided by both packages.

       The format of fonts.dir files is described in the mkfontdir(1x) manual page.

       An example of how to use update-fonts-dir in package maintainer scripts is provided in the Debian Policy Manual.

OPTIONS

       -h, --help displays a brief usage message and exits.

       -7, --x11r7-layout switches the font layout to the one introduced in X11R7: fonts in /usr/share/fonts/X11/directory (default is:  fonts	in
       /usr/lib/X11/fonts/directory)

OPERANDS

       update-fonts-dir  takes	one or more X font directory names to operate on as operands.  Only the final path component of the directory name
       should be specified; e.g.,
	      update-fonts-dir 75dpi
       is correct, while 'update-fonts-dir /usr/X11R6/lib/X11/fonts/75dpi' and 'update-fonts-dir /usr/lib/X11/fonts/75dpi' are not.

ENVIRONMENT

       COLUMNS
	      indicates the width of the terminal device in character cells.  This value is used for formatting diagnostic messages.  If not  set,
	      the terminal is queried using stty(1) to determine its width.  If that fails, a value of '80' is assumed.

DIAGNOSTICS

   Errors
       usage error: one or more font directories must be provided
	      update-fonts-dir was invoked without operands.  Supply one or more X font directory names to operate on.

       usage error: unrecognized option
	      update-fonts-dir was invoked with an unrecognized option argument.  Use only the options documented in "OPTIONS", above.

       fatal error: path to X font directory must be used
	      A directory name was supplied that was not an X font directory name.  Supply X font directory names only.

   Warnings
       warning: absolute path directory was provided
	      Usage of absolute paths is deprecated.  Use only the final component of the X font directory name for directory.

       warning: directory does not exist or is not a directory
	      The supplied directory was invalid.  update-fonts-dir skipped it.

EXIT STATUS

       0      update-fonts-dir ran successfully.

       1      update-fonts-dir experienced a fatal error; see the section on diagnostic messages above.

       2      update-fonts-dir was invoked with invalid arguments.

BUGS

       See  the  Debian  Bug  Tracking	System <http://bugs.debian.org/xfonts-utils>.  If you wish to report a bug in update-fonts-dir, please see
       /usr/share/doc/debian/bug-reporting.txt or the reportbug(1) command.

AUTHOR

       update-fonts-dir was written by Branden Robinson.

SEE ALSO

       mkfontdir(1x)

Debian Project							    2004-11-11						       update-fonts-dir(8)
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