Bash to trim folder and files within a path that share a common file extension Post: 303032420

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Top Forums Shell Programming and Scripting Bash to trim folder and files within a path that share a common file extension Post 303032420 by Peasant on Sunday 17th of March 2019 05:08:02 AM

03-17-2019

Moderator

See if this helps :

Code:

#!/usr/bin/bash
# we are running this from ROOTDIR, or abort.
ROOTDIR=/home/cmccabe/rename
cd $ROOTDIR || exit 1
# matching name "R_2019*" to operate on desired directory names, expand this to be precise.
MDIR="R_2019*"

# GNU find feature here, since we do not have information about subdirectories under 'rename'
# If you have subdirectories and want posix more effort will be required, you did not specify operating system.

find . -mindepth 1 -maxdepth 1 -type d -name "${MDIR}" | while read RDIR
do
	TRIMSTR="${RDIR%%-v5.6*}"
	for FLN in $RDIR/*.bam $RDIR/*.bam.bai
		do
		FLNSUB="_${RDIR/\.\//}"
		echo "mv ${FLN} ${FLN/$FLNSUB}"
	done
	# Now we shall rename the folder, after files inside have been renamed.
echo "mv $RDIR ${TRIMSTR}"      
done

Remove the echo infront of mv commands to execute against files, otherwise it will just print on terminal.
Probably could use some more error handling and stuff.

Hope that helps
Regards
Peasant.

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LEARN ABOUT DEBIAN

rename

rename(3tcl)						       Tcl Built-In Commands						      rename(3tcl)

__________________________________________________________________________________________________________________________________________________

NAME

       rename - Rename or delete a command

SYNOPSIS

       rename oldName newName
_________________________________________________________________

DESCRIPTION

       Rename the command that used to be called oldName so that it is now called newName.  If newName is an empty string then oldName is deleted.
       oldName and newName may include namespace qualifiers (names of containing namespaces).  If a command is renamed into a different namespace,
       future invocations of it will execute in the new namespace.  The rename command returns an empty string as result.

EXAMPLE

       The  rename command can be used to wrap the standard Tcl commands with your own monitoring machinery.  For example, you might wish to count
       how often the source command is called:
	      rename ::source ::theRealSource
	      set sourceCount 0
	      proc ::source args {
		  global sourceCount
		  puts "called source for the [incr sourceCount]'th time"
		  uplevel 1 ::theRealSource $args
	      }

SEE ALSO

       namespace(3tcl), proc(3tcl)

KEYWORDS

       command, delete, namespace, rename

Tcl																      rename(3tcl)