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Top Forums UNIX for Beginners Questions & Answers How to replace a parameter(variable) date value inside a text files daily with current date? Post 303038190 by pradeepp on Tuesday 27th of August 2019 02:36:58 PM
Old 08-27-2019
How to replace a date inside a text file daily with current date?

Hello All,

we what we call a parameter file (.txt) where my application read dynamic values when the job is triggered, one of such values are below:

abc.txt
------------------
Code:
line1
line2
line3
$$EDWS_DATE_INSERT=08-27-2019
line4
$$EDWS_PREV_DATE_INSERT=08-26-2019

I am trying to write a small command that can update these dates daily with current date but its not replacing the date value.
Code:
sed -i 's/$$EDWS_DATE_INSERT =.*/$$EDWS_DATE_INSERT="$(date `+%y%m%d`)"/' abc.txt

current result: $$EDWS_DATE_INSERT="$(date `+%y%m%d`)"

can anyone help with this ?

Thanks in Advance!

Last edited by vbe; 08-27-2019 at 04:24 PM.. Reason: code tags please
 

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PACEMAKER(8)						  System Administration Utilities					      PACEMAKER(8)

NAME
Pacemaker - Part of the Pacemaker cluster resource manager SYNOPSIS
iso8601 command [output modifier] DESCRIPTION
iso8601 - Display and parse ISO8601 dates and times OPTIONS
-?, --help This text -$, --version Version information -V, --verbose Increase debug output Commands: -n, --now Display the current date/time -d, --date=value Parse an ISO8601 date/time. Eg. '2005-01-20 00:30:00 +01:00' or '2005-040' -p, --period=value Parse an ISO8601 date/time with interval/period (wth start time). Eg. '2005-040/2005-043' -D, --duration=value Parse an ISO8601 date/time with duration (wth start time). Eg. '2005-040/P1M' -E, --expected=value Parse an ISO8601 date/time with duration (wth start time). Eg. '2005-040/P1M' Output Modifiers: -s, --seconds Show result as a seconds since 0000-001 00:00:00Z -S, --epoch Show result as a seconds since EPOCH (1970-001 00:00:00Z) -L, --local Show result as a 'local' date/time -O, --ordinal Show result as an 'ordinal' date/time -W, --week Show result as an 'calendar week' date/time For more information on the ISO8601 standard, see: http://en.wikipedia.org/wiki/ISO_8601 AUTHOR
Written by Andrew Beekhof REPORTING BUGS
Report bugs to pacemaker@oss.clusterlabs.org Pacemaker 1.1.10-29.el7 June 2014 PACEMAKER(8)
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