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-v and -f option for grep not working

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Top Forums Shell Programming and Scripting -v and -f option for grep not working
# 8  
Old 06-01-2013
Some important details are missing:

What is the output? Are there any diagnostic messages (like "file not found", etc.)?

The variables you use should all be quoted by double quotes. Blanks in the file names might break your command, for instance.

Is the file "$exclude" indeed found? It might be referenced by a relative path name which works from one PWD but not another.

What is the content of "$extn"? To work it would need to include a wildcard (like "*ext") and this would definitely have to be quoted, otherwise the shell (and not "find") would expand it.

I hope this helps.

bakunin
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LEARN ABOUT PHP

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)