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Full Discussion: Find and Replace in multiple files (Shell script)
Top Forums Shell Programming and Scripting Find and Replace in multiple files (Shell script) Post 26610 by oombera on Wednesday 21st of August 2002 09:47:16 AM
Old 08-21-2002
If I understand what you're asking, this code should do what you want (ksh):

cd your_pathname
for i in `lx`; do
FOUND=`grep ABCD $i`
if [ "$FOUND" ]
then
TMP=./tmpfile_$$
sed -e 's/ABCD/DCBA/g' < $i > $TMP
mv $TMP $i
else
echo "The file $i does not include the word ABCD"
fi
done

This script reads each file in your_pathname, searches for the string ABCD, and either replaces it with DCBA or alerts you that the string ABCD was not found.
Last edited by oombera; 08-21-2002 at 11:49 AM..
 

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LEARN ABOUT MOJAVE

dsmemberutil

dsmemberutil(1) 					    BSD General Commands Manual 					   dsmemberutil(1)

NAME

     dsmemberutil -- various operations for the membership APIs, including state dump, check memberships, UUIDs, etc.

SYNOPSIS

     dsmemberutil [-v] [-h] command [options]

DESCRIPTION

     dsmemberutil is a program that implements the membership API calls in a command line utility.

FLAGS

     A list of flags and their descriptions:

     -h      Lists the options for calling dsmemberutil

     -v      Causes dsmemberutil to operate in verbose mode.

COMMANDS

     The action of each command is described below:

     getuuid -ugUGsS value
		 Takes any of the options and returns the associated UUID.

     getid -UGsSX value
		 Takes any of the options and returns the associated UID or GID depending on option provided.

     getsid -ugUGX value
		 Takes any of the options and returns the associated SID.

     checkmembership -uUxs param -gGXS param
		 Returns if a user or group with the associated option is a member of the group.

     flushcache  Flushes the current membership cache.

     Legacy commands such as dumpstate and statistics are gone. See odutil(1) for show cache and statistics operations.

     A list of options available. In some cases -xX and -sS can be used synonymously due to nature of the value.

     -u uid	      Using user with UID

     -U name	      Using user with name

     -s sid	      Using user with SID

     -x uuid	      Using user with UUID

     -g gid	      Using group with GID

     -G name	      Using group with name

     -S sid	      Using group with SID

     -X uuid	      Using group with UUID

EXAMPLES

     Get a user's uuid:
		    % dsmemberutil getuuid -u 501
		    EEA4F2F6-B268-49E7-9C6F-E3C4A37DA4FD

     Get a group's uuid
		    % dsmemberutil getuuid -g 0
		    ABCDEFAB-CDEF-ABCD-EFAB-CDEF00000000

     Get a user's or group's id from a uuid
		    % dsmemberutil getid -X ABCDEFAB-CDEF-ABCD-EFAB-CDEF0000000C
		    gid: 12

     Check a user's membership in a group (using UID and GID)
		    % dsmemberutil checkmembership -u 501 -g 0
		    user is not a member of the group

     Check a user's membership in a group (using names)
		    % dsmemberutil checkmembership -U root -G wheel
		    user is a member of the group

SEE ALSO

     odutil(1), dseditgroup(1), dscacheutil(1)

Darwin								    Jan 1, 2007 							    Darwin
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