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Full Discussion: shell script problem
Top Forums UNIX for Advanced & Expert Users shell script problem Post 6298 by rwb1959 on Monday 3rd of September 2001 07:26:53 AM
Old 09-03-2001
It may be possible that stdin is getting
hosed by the line:
more "somefile" | grep "some seach string"
...since the pipe redirects stdout to the
stdin of grep. This is just a guess however
since I have not tested this.
Since you're using ksh, you may want to try
opening a new file descriptor (say 3) for the
loop to read from. Again, just a guess.
 

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LEARN ABOUT ULTRIX

zgrep

ZGREP(1)						      General Commands Manual							  ZGREP(1)

NAME

       zgrep - search possibly compressed files for a regular expression

SYNOPSIS

       zgrep [ grep_options ] [ -e ] pattern filename...

DESCRIPTION

       Zgrep  invokes  grep  on  compressed  or  gzipped  files.   These  grep	options  will  cause  zgrep  to  terminate  with  an  error  code:
       (-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*).  All other options specified are passed directly to grep.  If no file is specified,  then  the
       standard input is decompressed if necessary and fed to grep.  Otherwise the given files are uncompressed if necessary and fed to grep.

       If the GREP environment variable is set, zgrep uses it as the grep program to be invoked.

EXIT CODE

       2 - An option that is not supported was specified.

AUTHOR

       Charles Levert (charles@comm.polymtl.ca)

SEE ALSO

       grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1)

																	  ZGREP(1)
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