10-28-2011
Search & Replacing text within a file
Hi all!
I'm a newbie and I'm writing a script which will ask a user for data to search. I will then search for this data using grep and displaying this data back to the screen for the user to see. The user will then enter new data to replace the data searched.
Now how do I replace this data within the file? SED, AWK???
grep search results for "JOE S SMITH":
#'s - Indicate spaces
730000146104218006JOE#S#SMITH#########5230 BRUNSWICK LN MACUNGIE
Replace with "TIM KIM":
730000146104218006TIM#KIM#############5230 BRUNSWICK LN MACUNGIE
or
Replace with "JEROMANIA K KALAMAZOO"
730000146104218006JEROMANIA#K#KALAMAZO5230 BRUNSWICK LN MACUNGIE
***** Data for Name starts at position 19 and ends at position 38 of this file. Replacement data CAN NOT go past position 38 ******
Last edited by macastor; 10-28-2011 at 06:43 PM..
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ZGREP(1) General Commands Manual ZGREP(1)
NAME
zgrep - search possibly compressed files for a regular expression
SYNOPSIS
zgrep [ grep_options ] [ -e ] pattern filename...
DESCRIPTION
Zgrep invokes grep on compressed or gzipped files. These grep options will cause zgrep to terminate with an error code:
(-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*). All other options specified are passed directly to grep. If no file is specified, then the
standard input is decompressed if necessary and fed to grep. Otherwise the given files are uncompressed if necessary and fed to grep.
If the GREP environment variable is set, zgrep uses it as the grep program to be invoked.
EXIT CODE
2 - An option that is not supported was specified.
AUTHOR
Charles Levert (charles@comm.polymtl.ca)
SEE ALSO
grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1)
ZGREP(1)