search and replace tool

[Egor Duda]

> On Thu, 19 Feb 2004, Brian Dessent wrote:
>>>What on Earth are you talking about?  What inability?  WFM (see below).
>>>...
>>>$ perl -i -pe 's/blah/stuff/g' sometext
>>>$ ls
>>>sometext  sometext.bak
>>
>>It didn't do the editing "inline", it created a new file and renamed the
>>old one ".bak".  In other words, on Cygwin "-i" is really "-i.bak".  If
>>you try the above sequence on linux you don't get a .bak file and the
>>changes are truly done in-place.  I assume this relates to differences
>>in filesystem semantics.

huh? what do you mean "in-place"? linux writes new file to new place, it 
just deletes .bak file afterwards, unlike cygwin.

deo@paltus:~$ echo aaa >xxx
deo@paltus:~$ ls -i xxx
  408096 xxx
deo@paltus:~$ perl -i -pe 's/aaa/bbbb/' xxx
deo@paltus:~$ ls -i xxx
  408074 xxx
deo@paltus:~$ cat xxx
bbbb

egor.

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