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Full Discussion: Search & Replace: Multiple Strings / Multiple Files
Top Forums Shell Programming and Scripting Search & Replace: Multiple Strings / Multiple Files Post 302716705 by rdrtx1 on Tuesday 16th of October 2012 07:24:26 PM
Old 10-16-2012
If working with files that are ":" field delimited:

Code:
 
pwds file (pwd:replace pwd):
s/1zg6/2RWAUY,2/lR:@#xyyyy$@#!$@#
JQy74TuvHyqMo:@#$@#!xxxxx$@#
32oVGmESDPBLk:@#$@234234wa#!$@#
VkrDf0FVYbg7.,2/cW:@#$sss@#!$@#
hWTRS2IF9EOQc,2/mW:@#$@aaaa#!$@#
OrfQo.EYJo9q6:@#$35345@#!$@#
2oK927ArLTgnY,B.mW:@#$@23234#!$@#

somefile:
Code:
user:s/1zg6/2RWAUY,2/lR:user:::::
user:JQy74TuvHyqMo:user:::::
user:32oVGmESDPBLk:1162:user:::::
user:VkrDf0FVYbg7.,2/cW:user:::::
user:hWTRS2IF9EOQc,2/mW:user:::::
user:OrfQo.EYJo9q6:user:::::
user:2oK927ArLTgnY,B.mW:user:::::


using awk:
Code:
 
awk -F: '
NR==FNR {pw[$1]=$2; next;}
{ FS=":";
  for (i=1; i<=NF; i++) {
    if (length(pw[$i])>0) $i=pw[$i];
  }
  print;
}
' OFS=: pwds somefile

output:
Code:
 
user:@#xyyyy$@#!$@#:user:::::
user:@#$@#!xxxxx$@#:user:::::
user:@#$@234234wa#!$@#:1162:user:::::
user:@#$sss@#!$@#:user:::::
user:@#$@aaaa#!$@#:user:::::
user:@#$35345@#!$@#:user:::::
user:@#$@23234#!$@#:user:::::

This User Gave Thanks to rdrtx1 For This Post:
spacegoose
 

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LEARN ABOUT OPENSOLARIS

subuid

SUBUID(5)						   File Formats and Conversions 						 SUBUID(5)

NAME

       subuid - the subordinate uid file

DESCRIPTION

       Each line in /etc/subuid contains a user name and a range of subordinate user ids that user is allowed to use. This is specified with three
       fields delimited by colons (":"). These fields are:

       o   login name or UID

       o   numerical subordinate user ID

       o   numerical subordinate user ID count

       This file specifies the user IDs that ordinary users can use, with the newuidmap command, to configure uid mapping in a user namespace.

       Multiple ranges may be specified per user.

       When large number of entries (10000-100000 or more) are defined in /etc/subuid, parsing performance penalty will become noticeable. In this
       case it is recommended to use UIDs instead of login names. Benchmarks have shown speed-ups up to 20x.

FILES

       /etc/subuid
	   Per user subordinate user IDs.

       /etc/subuid-
	   Backup file for /etc/subuid.

SEE ALSO

       login.defs(5), newgidmap(1), newuidmap(1), newusers(1), subgid(5), useradd(8), userdel(8), usermod(8), user_namespaces(7).

shadow-utils 4.5						    01/25/2018								 SUBUID(5)
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