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Full Discussion: String replace need help ..
Top Forums Shell Programming and Scripting String replace need help .. Post 302837119 by lohith.dutta on Thursday 25th of July 2013 08:07:47 AM
Old 07-25-2013
guys thanks for your quick response, but the problem here is each string contains front slash (/) and I have to replace all the lines through script in couple of servers together
..

---------- Post updated at 05:37 PM ---------- Previous update was at 04:28 PM ----------

I solved my problem this way ..

Code:
awk -F'/' '/mainwh01/ {print $NF}' old-filers | while read filr; do
  sed -i " " "/$filr/s/oldfiler.host.box.network.com:\/vol\/\(.....\)/newfiler-003.host.box.lp3:\/vol\/oldfiler\/\1/" /etc/fstab
done

awk -F'/' '/mainwh01/ {print $NF}' /tmp/old-filers | while read filr; do
  sed -i " "   "/$filr/s/mainwh02.host.box.network.com:\/vol\/\(.....\)/newfiler-003.host.box.lp3:\/vol\/mainwh02\/\1/" /etc/fstab;
done

I will really appreciate if anyone help me to optimize my logic -- thanks
--Lohit
Last edited by lohith.dutta; 07-26-2013 at 12:54 AM.. Reason: Code tags
 

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LEARN ABOUT DEBIAN

xrmcombinefiledatabase

XrmMergeDatabases(3)						  XLIB FUNCTIONS					      XrmMergeDatabases(3)

NAME

       XrmMergeDatabases, XrmCombineDatabase, XrmCombineFileDatabase - merge resource databases

SYNTAX

       void XrmMergeDatabases(XrmDatabase source_db, XrmDatabase *target_db);

       void XrmCombineDatabase(XrmDatabase source_db, XrmDatabase *target_db, Bool override);

       Status XrmCombineFileDatabase(char *filename, XrmDatabase *target_db, Bool override);

ARGUMENTS

       source_db Specifies the resource database that is to be merged into the target database.

       target_db Specifies the resource database into which the source database is to be merged.

       filename  Specifies the resource database file name.

       override  Specifies whether source entries override target ones.

DESCRIPTION

       Calling the XrmMergeDatabases function is equivalent to calling the XrmCombineDatabase function with an override argument of True.

       The XrmCombineDatabase function merges the contents of one database into another.  If the same specifier is used for an entry in both data-
       bases, the entry in the source_db will replace the entry in the target_db if override is True; otherwise, the entry in source_db is dis-
       carded.	If target_db contains NULL, XrmCombineDatabase simply stores source_db in it.  Otherwise, source_db is destroyed by the merge, but
       the database pointed to by target_db is not destroyed.  The database entries are merged without changing values or types, regardless of the
       locales of the databases.  The locale of the target database is not modified.

       The XrmCombineFileDatabase function merges the contents of a resource file into a database.  If the same specifier is used for an entry in
       both the file and the database, the entry in the file will replace the entry in the database if override is True; otherwise, the entry in
       the file is discarded.  The file is parsed in the current locale.  If the file cannot be read, a zero status is returned; otherwise, a
       nonzero status is returned.  If target_db contains NULL, XrmCombineFileDatabase creates and returns a new database to it.  Otherwise, the
       database pointed to by target_db is not destroyed by the merge.	The database entries are merged without changing values or types, regard-
       less of the locale of the database.  The locale of the target database is not modified.

SEE ALSO

       XrmGetResource(3), XrmInitialize(3), XrmPutResource(3)
       Xlib - C Language X Interface

X Version 11							   libX11 1.5.0 					      XrmMergeDatabases(3)
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