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Perls of Wisdom Camp
Here is a place to share some of your tricks and tips about perl.
Q: I need to change same pattern in a lot of files. I need to change this pattern: *!https://web* to *../../..*
A: perl makes this drop dead easy::
perl -pi -e's(!https://web)(../../..)g' *.html
-p:*p*rint each line
-i:perform an *i*nplace edit
-e:*e*xecute the following argument as the command/script
s/target/replacement/flags:*s*earch and replace
!https//web:the target string *(ed: yes i am aware of the lack of a colon. wiki limitation, forgive me)*
../../..:the replacement string
g:*g*lobal replacement, find each occurence on the line.
-john 2003-01-25T01:39:33-0800
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