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Full Discussion: Add text before and after matched string on the same line.
Top Forums UNIX for Beginners Questions & Answers Add text before and after matched string on the same line. Post 303044708 by mohtashims on Monday 2nd of March 2020 06:29:42 AM
Old 03-02-2020
Add text before and after matched string on the same line.
I have a file with many lines. Below I'm highlighting only those line that concerns me from the file.
Code:
....
drwxr-xr-x    4 user1   dba           20480 Feb 25 20:38 /tmp/10203/cust/01
....
drwxr-xr-x    4 user1   dba           20480 Feb 25 20:38 /tmp/10203/cust/01/logs/mtr
....
drwxr-xr-x    4 user1   dba           20480 Feb 25 20:38 /tmp/10203/cust/03/src/files
drwxr-xr-x    4 user1   dba           20480 Feb 25 20:38 /tmp/10203/cust
....

I requirement is to append this string <font color=yellow> and add this string </font> at the end of the found string on the same line.

Thus, if we consider "/tmp/10203/cust/01" the desired output should be changes to the line with the exact match.
<font color=yellow>drwxr-xr-x 4 user1 dba 20480 Feb 25 20:38 /tmp/10203/cust/01</font>

It should not affect the superset string like this one "drwxr-xr-x 4 user1 dba 20480 Feb 25 20:38 /tmp/10203/cust/01/logs/mtr"

I know how to add text before and after the matched string on new line but i do not know how to on the same line with the exact match.

Below is what i tried:

Code:
sed 's/\b\/tmp\/10203\/cust\/01\b/& <\/font>' filename

But it adds the text to a superset string i.e does not exact match.

Can you please suggest ?
 

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LEARN ABOUT REDHAT

dbs-edit-patch

DBS-EDIT-PATCH(1)						Debian Build System						 DBS-EDIT-PATCH(1)

NAME

       dbs-edit-patch - Edit a DBS patch

SYNOPSIS

       dbs-edit-patch [options] patch
       dbs-edit-patch -h|--help

DESCRIPTION

       dbs-edit-patch is script to generate or modify patches for Debian source-packages in DBS format.

WARNING

       dbs  is	deprecated,  please  switch  to  the  `3.0 (quilt)' Debian source package format instead. See http://wiki.debian.org/Projects/Deb-
       Src3.0#FAQ for a short guide how to do it.

OPTIONS

       -h, --help
	      Show summary of options.

       -t dir, --tmpdir=dir
	      Directory for the temporary files, default is /tmp or if set $TMP.

       -s dir, --sourcedir=dir
	      Top level directory of the debian-package source-tree, default is the present working directory.

       -P dir, --sourcepatchdir=dir
	      Directory containing upstream patches.

       -T dir, --sourcetardir=dir
	      Directory containing the upstream tarball.

       -p level, --strip=level
	      Striplevel -p of patch (Option -p of diff(1)), accepted values are 0 and 1, default is 0.

ENVIRONMENT VARIABLES

       TMP    Sets the directory for the temporary files, can be overridden with -t dir.

debian/vars
       dbs-edit-patch will automatically use variables defined in the optional debian/vars file.

       When a file debian/vars.in exists and debian/vars either does not exist or is older  than  any  of  the	following  files:  debian/vars.in,
       debian/changelog, debian/rules or debian/control, then dbs-edit-patch will try updating the vars file by running the following command
	   make -f debian/rules -W debian/vars.in debian/vars

EXAMPLES

       Edit the 021_debian patch of Heimdal:

	   ~/heimdal-0.3d> dbs-edit-patch -t/tmp 021_debian
	   Extracting source heimdal-0.3d.tar.gz ... successful.
	   Applying patch 001_replay ... successful.
	   etc.
	   Copying heimdal-0.3d to heimdal-0.3d-old ... successful.
	   Applying patch 021_debian ... successful.

       Edit  files under /tmp/021_debian/heimdal-0.3d as required, then put a short description into /tmp/021_debian/patch-description if desired,
       and finally execute /tmp/021_debian/dbs-update-patch to save the results.

       Technical  note:  dbs-edit-patch  extracts  all	patches  before  021_debian  into  /tmp/021_debian/heimdal-0.3d,  copies  the  result	to
       /tmp/021_debian/heimdal-0.3d-old,  and  applies the last patch 021_debian (if it exists). Also, it creates a shell script which will create
       the diff between the old and new directories:

	   ~/heimdal-0.3d> ls -la /tmp/021_debian
	   total 12
	   -rwxr-xr-x	 1 bam	    users	  112 Jan 31 13:31 dbs-update-patch*
	   -rw-r--r--	 1 bam	    users	    0 Jan 31 13:31 patch-description
	   drwxr-xr-x	14 bam	    users	 4096 Jan 31 13:31 heimdal-0.3d/
	   drwxr-xr-x	14 bam	    users	 4096 Jan 31 13:31 heimdal-0.3d-old/
	   drwxr-xr-x	 5 bam	    users	 4096 Jan 31 13:31 .stampdir/

	   ~/heimdal-0.3d> cat /tmp/021_debian/dbs-update-patch
	   #!/bin/sh -e
	   cd "/tmp/021_debian"
	   HOOK_DIR="/usr/src/heimdal/debian/dbs-hooks"
	   test -d "$HOOK_DIR" && run-parts "$HOOK_DIR" --arg update-patch-prediff
	   find -name "*.bak" -print0 | xargs -0 --no-run-if-empty rm
	   find -name "*~" -print0 | xargs -0 --no-run-if-empty rm
	   : > new_patch
	   test ! -e patch-description || cp patch-description new_patch
	   diff -ruN heimdal-0.3d-old heimdal-0.3d >> new_patch || test $? -eq 1
	   mv new_patch  /usr/src/heimdal/debian/patches/021_debian
	   test -d "$HOOK_DIR" && run-parts "$HOOK_DIR" --arg update-patch-postdiff

SEE ALSO

       diff(1), dbs(7), /usr/share/doc/dbs/

AUTHOR

       DBS was written by Adam Heath, modified by Ben Collins, modified and packaged for Debian by  Brian  May.  This  manpage	was  generated	by
       Andreas Metzler and modified by Robert Luberda.

Debian								February 15th, 2011						 DBS-EDIT-PATCH(1)
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