What is your data? 

Win8 Strawberry 5.8.9.5 (32)  Tue 10/13/2020 15:55:21
C:\@Work\Perl\monks\pragovnj
>cat junque.txt
foo bar CAST(CAST(hs_date AS DATE FORMAT 'YYYYMMDD') AS CHAR(08)) as h
+s_date biz boz

C:\@Work\Perl\monks\pragovnj
>perl -p -i.bak -e "s/\QCAST(CAST(hs_date AS DATE FORMAT 'YYYYMMDD') A
+S CHAR(08)) as hs_date\E/FORMAT_DATE(hs_date, 'YYYYMMDD') as hs_date/
+g;" junque.txt

C:\@Work\Perl\monks\pragovnj
>cat junque.txt
foo bar FORMAT_DATE(hs_date, 'YYYYMMDD') as hs_date biz boz

C:\@Work\Perl\monks\pragovnj
>cat junque.txt.bak
foo bar CAST(CAST(hs_date AS DATE FORMAT 'YYYYMMDD') AS CHAR(08)) as h
+s_date biz boz

[download]
(Sorry for any wrap-around. :) In general, "it doesn't work" is a very poor problem description.

Update: Please see Short, Self-Contained, Correct Example for a discussion of good problem presentation practices.

Give a man a fish:  <%-{-{-{-<

In reply to Re^4: replace string from Command Line (updated) by AnomalousMonk
in thread replace string from Command Line by pragovnj

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