Unix - Search and replace

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Unix - Search and replace

Original Message

Name: Niraj
Date: March 16, 2005 at 07:05:13 Pacific
Subject: Unix - Search and replace
OS: Solaris
CPU/Ram: 1GB

Comment:

Is it possible to do search and replace in unix
Like :
s/some date/current date/g
some date and current date both are in same format (dd/mm/yyyy hh:mm:ss)

My requirement is :
I am having a variable which holds last run date. After running my shell script I want to do update this variable with the current date.

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Response Number 1

Name: wollie
Date: March 17, 2005 at 01:50:35 Pacific
Subject: Unix - Search and replace

Reply: (edit)

Niraj,
save the current date to a second variable (adjust the date-format to your needs):
CURR_DATE=`date`
s/$LAST_RUN_DATE/$CURR_DATE/g
greet$
Wollie

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