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Full Discussion: Using sed to edit multiple files
Top Forums Shell Programming and Scripting Using sed to edit multiple files Post 303028319 by edstevens on Friday 4th of January 2019 10:35:35 AM
Old 01-04-2019
Using sed to edit multiple files
Created a shell script to invoke sed to edit multiple files, but am missing something.
Here's the shell script:
Code:
oracle:$ cat edit_scripts.sh
#!/bin/sh
#------------------------------------------------------------------------------
# edit_scripts.sh
#
# This script executes sed to make global edits to the template files
#------------------------------------------------------------------------------
for i in *.sh; do
  sed -f script.sed < $i
done
#
for i in *.sql; do
  sed -f script.sed < $i
done

As you can see, I'm using a script file 'script.sed' to supply the actual editing commands:
Code:
oracle:$ cat script.sed
s/@yymmdd@/181016/g
s/@gi patch num@/12345678/g
s/@jvm patch num@/87654321/g

And for testing purposes, I have one .sh script to be edited:
Code:
oracle:$ ll *.sh
-rwxr-x--- 1 oracle oinstall 359 Jan  3 14:30 edit_scripts.sh
-rw-r--r-- 1 oracle oinstall 163 Jan  3 14:46 sed_sample.sh

oracle:$ cat sed_sample.sh
#-------------------
#  This should be the date: @yymmdd@
#  This should be the gi patch num:  @gi patch num@
#  This should be the jvm patch num: @jvm patch num@

But when I execute edit_scripts.sh, sed_sample.sh is not modified:
Code:
oracle:$ ./edit_scripts.sh
#!/bin/sh
#------------------------------------------------------------------------------
# edit_scripts.sh
#
# This script executes sed to make global edits to the template files
#------------------------------------------------------------------------------
for i in *.sh; do
  sed -f script.sed < $i
done
#
for i in *.sql; do
  sed -f script.sed < $i
done
#-------------------
#  This should be the date: 181016
#  This should be the gi patch num:  12345678
#  This should be the jvm patch num: 87654321
./edit_scripts.sh: line 12: *.sql: No such file or directory

oracle:$ cat sed_sample.sh
#-------------------
#  This should be the date: @yymmdd@
#  This should be the gi patch num:  @gi patch num@
#  This should be the jvm patch num: @jvm patch num@

 

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LEARN ABOUT REDHAT

lsdiff

LSDIFF(1)																 LSDIFF(1)

NAME

       lsdiff - show which files are modified by a patch

SYNOPSIS

       lsdiff [-n] [-p n] [--strip=n] [--addprefix=PREFIX] [-s]
	      [-i PATTERN] [-x PATTERN] [-v] [file...]

       lsdiff {--help | --version | --filter ... | --grep ...}

DESCRIPTION

       List the files modified by a patch.

       You can use both unified and context format diffs with this program.

OPTIONS

       -n     Display the line number that each patch begins at. If verbose output is requested, each hunk of each patch is listed as well.

	      For  each  file  that  is  modified, a line is generated containing the line number of the beginning of the patch, followed by a Tab
	      character, followed by the name of the file that is modified. If -v is given, following each of these lines will	be  one  line  for
	      each hunk, consisting of a Tab character, the line number that the hunk begins at, another Tab character, the string ``Hunk #'', and
	      the hunk number (starting at 1).

       -p n   When matching, ignore the first n components of the pathname.

       --strip=n
	      Remove the first n components of the pathname before displaying it.

       --addprefix=PREFIX
	      Prefix the pathname with PREFIX before displaying it.

       -s     Show file additions, modifications and removals. A file addition is indicated by a ``+'', a removal by a ``-'', and  a  modification
	      by a ``!''.

       -i PATTERN
	      Include only files matching PATTERN.

       -x PATTERN
	      Exclude files matching PATTERN.

       -v     Verbose output.

       --help Display a short usage message.

       --version
	      Display the version number of lsdiff.

       --filter
	      Behave like filterdiff(1) instead.

       --grep Behave like grepdiff(1) instead.

SEE ALSO

       filterdiff(1), grepdiff(1)

EXAMPLES

       To sort the order of touched files in a patch, you can use:

	      lsdiff patch | sort -u | 
		xargs -rn1 filterdiff patch -i

       To show only added files in a patch:

	      lsdiff -s patch | grep '^+' | 
		cut -c2- | xargs -rn1 filterdiff patch -i

       To show the headers of all file hunks:

	      lsdiff -n patch | (while read n file
		do sed -ne "$n,$(($n+1))p" patch
	      done)

AUTHOR

       Tim Waugh <twaugh@redhat.com>.

patchutils							    13 May 2002 							 LSDIFF(1)
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