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Top Forums Shell Programming and Scripting Pattern matching and format problem Post 302666785 by firefox2k2 on Thursday 5th of July 2012 06:50:48 AM
Old 07-05-2012
Pattern matching and format problem

Hi I need a bash script that can search through a text file and when it finds 'FSS1206' I need to put a Letter F 100 spaces after the second instance of FSS1206

The format is the same throughout the file I need to repeat this on every time it finds the second 'FSS1206' in the file

I have really not explained this very well but see example below, I need an F at that position. Smilie

or would it be easier to search for "71502FSS1206 FSS1206" and put a F 100 spaces after this rather than just search for a single instance of FSS1206?


Code:
71502FSS1206               FSS1206               000000000000200100000000000820009958170009958181200100005952

Code:
71502FSS1206               FSS1206               000000000000200100000000000820009958170009958181200100005952                       F

 

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BASHBUG(1)						      General Commands Manual							BASHBUG(1)

NAME
bashbug - report a bug in bash SYNOPSIS
bashbug [--version] [--help] [email-address] DESCRIPTION
bashbug is a shell script to help the user compose and mail bug reports concerning bash in a standard format. bashbug invokes the editor specified by the environment variable EDITOR on a temporary copy of the bug report format outline. The user must fill in the appropriate fields and exit the editor. bashbug then mails the completed report to bug-bash@gnu.org, or email-address. If the report cannot be mailed, it is saved in the file dead.bashbug in the invoking user's home directory. The bug report format outline consists of several sections. The first section provides information about the machine, operating system, the bash version, and the compilation environment. The second section should be filled in with a description of the bug. The third sec- tion should be a description of how to reproduce the bug. The optional fourth section is for a proposed fix. Fixes are encouraged. ENVIRONMENT
bashbug will utilize the following environment variables if they exist: EDITOR Specifies the preferred editor. If EDITOR is not set, bashbug defaults to emacs. HOME Directory in which the failed bug report is saved if the mail fails. TMPDIR Directory in which to create temporary files and directories. SEE ALSO
bash(1) AUTHORS
Brian Fox, Free Software Foundation bfox@gnu.org Chet Ramey, Case Western Reserve University chet@po.cwru.edu GNU Bash-4.0 1998 July 30 BASHBUG(1)
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