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Full Discussion: file name edit
Top Forums UNIX for Dummies Questions & Answers file name edit Post 13853 by Jimbo on Thursday 24th of January 2002 10:34:50 AM
Old 01-24-2002
Following script targets a specific fileset (you can adjust the ls command as needed), and renames each of those with a djd prefix. Only regular files will be processed (directories etc will be ignored). If you don't want the counts, that code can be dropped. And to be more thorough, should confirm the results of the mv (can use "if mv ...").

Code:
#!/bin/sh

rcount=0
icount=0

for fname in `ls *HIND*`
do
  if [ -f $fname ] ; then
     mv -i $fname djd$fname
     ((rcount=rcount+1))
  else
     echo "Bypassing $fname - not a regular file"
     ((icount=icount+1))
  fi
done

echo "file renames: $rcount  ignored: $icount"

Jimbo
 

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LEARN ABOUT BSD

dz

DZ(4)							     Kernel Interfaces Manual							     DZ(4)

NAME

       dz - DZ-11 communications multiplexer

SYNOPSIS

       /sys/conf/SYSTEM:
	    NDZ  dz_units  # DZ11; NDZ is in units of boards (8 each)

       /etc/dtab:
	    #Name Unit# Addr   Vector Br Handler(s)	 # Comments
	    dz	  ?	160100 310    5  dzrint  dzdma	 # dz11 terminal mux

       major device number:
	    raw: 2
       minor device encoding:
	    bits 0007 specify line on DZ unit
	    bits 0170 specify DZ unit
	    bit  0200 specifies non-blocking open (``CD always on'')

DESCRIPTION

       A  DZ11 provides 8 communication lines with partial modem control, adequate for UNIX dialup use.  Each line attached to the DZ11 communica-
       tions multiplexer behaves as described in tty(4) and may be set to run at any of 16 speeds; see tty(4) for the encoding.

       Bit 0200 of the minor device number for DZ lines may be set to say that a line is not properly connected,  and  that  the  line	should	be
       treated	as  hard-wired with carrier always present.  Thus creating the special character device node "2, 130" via mknod /dev/tty02 c 2 130
       would cause line tty02 to be treated in this way.

       The dz driver monitors the rate of input on each board, and switches between the use of character-at-a-time  interrupts	and  input  silos.
       While the silo is enabled during periods of high-speed input, the driver polls for input 30 times per second.

FILES

       /dev/tty[0-9][0-9]
       /dev/ttyd[0-9a-f]   dialups
       /dev/MAKEDEV	   script to create special files
       /dev/MAKEDEV.local  script to localize special files

SEE ALSO

       tty(4), dtab(5), autoconfig(8)

DIAGNOSTICS

       dz%d:  silo overflow.  The 64 character input silo overflowed before it could be serviced.  This can happen if a hard error occurs when the
       CPU is running with elevated priority, as the system will then print a message on the console with interrupts disabled.	It is not serious.

3rd Berkeley Distribution					 January 28, 1988							     DZ(4)
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