gunzip question

[Fabio Somenzi]

>>>>> "S" == Sheik  <sheikyy@spartan.pei.edu> writes:

 S> On Fri, 21 Mar 1997, Jim Balter wrote:

 >> Trey Jackson wrote: > > e.g. This is what I encounter: > >
 >> C:\cygnus\H-i386-cygwin32\bin>gunzip resume.txt.gz > GUNZIP.EXE:
 >> resume.txt.gz already has .gz suffix -- unchanged
 >> 
 >> Subtle.  What command processor are you using?  For some reason it
 >> is passing the command name as "GUNZIP.EXE" instead of "gunzip",

 S>  I have noticed this too, whats even odder still... run this puppy
 S> in bash, and the problem goes away.

gzip compares argv[0] to "gzip, "gunzip", and "zcat" and sets the -d
and -c options accordingly. At least this is my recollection from
several years ago. Under Unix, gunzip and zcat are normally hard links to
gzip. Bash passes the name correctly in argv[0], and therefore it works.

Fabio

-- 
Fabio Somenzi          | Phone: 303-492-3466
University of Colorado | Fax:   303-492-2758
ECE Dept.              | Email: Fabio@Colorado.EDU
Boulder CO 80309-0425  | WWW:   http://vlsi.colorado.edu/~fabio
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