view gzipped files with name file.gz.$DATE on a Solaris box (without unzipping first)


 
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# 1  
view gzipped files with name file.gz.$DATE on a Solaris box (without unzipping first)

Hi

Howto view gzipped files with name file.gz.$DATE on a Solaris box (without unzipping first)

Code:
$ ls -lrt
total 4477
-rwxrwxr-x   1 oracle      dba       569745 Apr  4 19:45 4_person2profileCon.txt.gz.04.04.11*
-rwxrwxr-x   1 oracle      dba         3783 Apr  4 19:45 3_profile2profileCon.txt.gz.04.04.11*
-rwxrwxr-x   1 oracle      dba        60759 Apr  4 19:45 2_profile2groupCon.txt.gz.04.04.11*
-rwxrwxr-x   1 oracle      dba        39246 Apr  4 19:45 1_createProfiles.txt.gz.04.04.11*
-rwxrwxr-x   1 oracle      dba       569751 Apr  5 19:45 4_person2profileCon.txt.gz.04.05.11*
-rwxrwxr-x   1 oracle      dba         3787 Apr  5 19:45 3_profile2profileCon.txt.gz.04.05.11*
-rwxrwxr-x   1 oracle      dba        60955 Apr  5 19:45 2_profile2groupCon.txt.gz.04.05.11*
-rwxrwxr-x   1 oracle      dba        39263 Apr  5 19:45 1_createProfiles.txt.gz.04.05.11*
-rwxr-xr-x   1 oracle      dba       569800 Apr  6 19:45 4_person2profileCon.txt.gz.04.06.11*
-rwxr-xr-x   1 oracle      dba         3792 Apr  6 19:45 3_profile2profileCon.txt.gz.04.06.11*
-rwxr-xr-x   1 oracle      dba        60805 Apr  6 19:45 2_profile2groupCon.txt.gz.04.06.11*
-rwxr-xr-x   1 oracle      dba        39276 Apr  6 19:45 1_createProfiles.txt.gz.04.06.11*

I tried:

Code:
$ gzip -d 1_createProfiles.txt.gz.04.06.11 | less
gzip: 1_createProfiles.txt.gz.04.06.11: unknown suffix -- ignored

# 2  
Cannot. You can pipe out the product of unzipping, using "gunzip <file" for gzcat file1 file2 ...". There might even be a gunzip -o, but I never used it. The zip/gzip/gunzip functionality is also available in many language libraries, so you can pass a call either a string or file name to gzip or gunzip.

PS: zip is an archive program, different though sometimes using some of the same calls, so these are not being "unzipped", they are being "gunzip'd".
# 3  
try using zcat

Code:
zcat < filename >

# 4  
doesn't work

Code:
$ zcat < 1_createProfiles.txt.gz.04.11.11 > tmp
stdin: not in compressed format

# 5  
zcat is in the compress, LZ family, which is, incidentally, quicker but about twice a big compressed as the gzip, ziplib LZW family, so I use it to speed up some network moves. gzcat can do compress as well as gzip output.
 

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