Sed to make global replacements.

[Conor P. Cahill]

In article <5306 at omepd.UUCP>, merlyn at iwarp.intel.com (Randal Schwartz) writes:
> In article <37090 at ames.arc.nasa.gov>, gahooten at orion (Gregory A. Hooten) writes:
> | I would like to change the characters \(12 to 1/2, but every thing I try
> | thinks the \( is the start of a character group.  I would like any help 
> | possible on this problem.  
> 
> Now, with Perl (of course, you knew it was coming :-), if you had a
> whole directory full of these files, you could perform this
> substitution, saving the original files as filename.bak, with:
> 
> % perl -p -i.bak -e 's,\\(12,1/2,g;' *

First, you forgot an extra \ for the (.
Second, this silently deletes the original files if the filename is
too long on a system V system.


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