Parse file name out of UNC path Post: 302647719

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Top Forums Shell Programming and Scripting Parse file name out of UNC path Post 302647719 by bytesnoop on Monday 28th of May 2012 03:43:33 PM

05-28-2012

Registered User

OK, I see where you were going with your initial post Corona. Thanks for teaching me that, I never knew about those string features in bash.

I've run into a new problem with my code that I can't figure out. The while loop below successfully iterates through the array and fills the temporary files with the values I need. However, when I attempt to use sed to process these files after the loop completes, sed reports that there is "No such file or directory".

After the program exits I can open the two files I created and filled in the loop and they have the appropriate values, so why is sed telling me they don't exist? I even tried to use cat after the loop and I get the same error message. Any ideas? I'm at a loss and so close to completing this script.

Code:

# parse out, de-dupe and clean up failed source UNC paths. 
grep "ERROR 5" $1 |colrm 1 54 |uniq |tr -d '\r' >path

# create array of failed source UNC paths.
mapfile -t PATH <path

# parse out and save the source folder path and filenames from PATH array.
x=0
while [ $x -lt ${#PATH[@]} ]; do
	echo "${PATH["$x"]##*\\}" >>file
	echo "${PATH["$x"]%\\*}" >>folder
	x=$(( $x + 1 ))
done

# wrap each string from temp files in double quotes.
sed 's/^/"/; s/$/"/' file >>file.sed
sed 's/^/"/; s/$/"/' folder >>folder.sed

Last edited by bytesnoop; 05-28-2012 at 04:49 PM.. Reason: corrected code

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shtool-subst

SHTOOL-SUBST.TMP(1)					      GNU Portable Shell Tool					       SHTOOL-SUBST.TMP(1)

NAME

       shtool-subst - GNU shtool sed(1) substitution operations

SYNOPSIS

       shtool subst [-v|--verbose] [-t|--trace] [-n|--nop] [-w|--warning] [-q|--quiet] [-s|--stealth] [-i|--interactive] [-b|--backup ext]
       [-e|--exec cmd] [-f|--file cmd-file] [file] [file ...]

DESCRIPTION

       This command applies one or more sed(1) substitution operations to stdin or any number of files.

OPTIONS

       The following command line options are available.

       -v, --verbose
	   Display some processing information.

       -t, --trace
	   Enable the output of the essential shell commands which are executed.

       -n, --nop
	   No operation mode. Actual execution of the essential shell commands which would be executed is suppressed.

       -w, --warning
	   Show warning on substitution operation resulting in no content change on every file. The default is to show a warning on substitution
	   operations resulted in no content change on all files.

       -q, --quiet
	   Suppress warning on substitution operation resulting in no content change.

       -s, --stealth
	   Stealth operation. Preserve timestamp on file.

       -i, --interactive
	   Enter interactive mode where the user has to approve each operation.

       -b, --backup ext
	   Preserve backup of original file using file name extension ext.  Default is to overwrite the original file.

       -e, --exec cmd
	   Specify sed(1) command directly.

       -f, --file cmd-file
	   Read sed(1) command from file.

EXAMPLE

	#   shell script
	shtool subst -i -e 's;(c) ([0-9]*)-2000;(c) 1-2001;' *.[ch]

	#    RPM spec-file
	%install
	    shtool subst -v -n 
		-e 's;^(prefix=).*;1 $RPM_BUILD_ROOT%{_prefix};g' 
		-e 's;^(sysconfdir=).*;1 $RPM_BUILD_ROOT%{_prefix}/etc;g' 
		`find . -name Makefile -print`
	    make install

HISTORY

       The GNU shtool subst command was originally written by Ralf S.  Engelschall <rse@engelschall.com> in 2001 for GNU shtool.  It was prompted
       by the need to have a uniform and convenient patching frontend to sed(1) operations in the OpenPKG package specifications.

SEE ALSO

       shtool(1), sed(1).

18-Jul-2008							   shtool 2.0.8 					       SHTOOL-SUBST.TMP(1)