[uClibc] RE: Why use perl instead of sed to hack binutils, gcc
rob at landley.net
Wed Oct 8 05:12:22 UTC 2003
On Sunday 05 October 2003 18:30, Daniel wrote:
> > (I'm wondering how one would go about adding it to busybox sed.
> > Presumably, it's making a copy and renaming it anyway. Otherwise any sed
> > command that makes a line larger would have to move everything after that
> > before it could proceed, which is a pain. Maybe it loads the whole thing
> > into ram and writes it back out?)
> it uses a temp file (sed-4.05/.sed/execute.c:538). Seems to progressively
> add to the temp file (fairly but not 100% sure)
Uh-huh. So it's copy and rename behind the covers. gzip/gunzip and bunzip2
already have code to do this in busybox...
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