Problems with using grep to make backups to a different directory Post: 302868469

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Top Forums Shell Programming and Scripting Problems with using grep to make backups to a different directory Post 302868469 by sammythesp3rmy on Monday 28th of October 2013 12:22:05 AM

10-28-2013

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Problems with using grep to make backups to a different directory

I am trying to program a script that is using grep to find lines in a file in my home directory, and then use a pipe command to copy what is shown into different files in a different directory to create backup files. When I run it, though, it only creates a copy of the file that grep was going through, not the actual lines it found in that file. Here is a sample of the code:

Code:

 if (-e $argv[1]) then
   if (-d $argv[2] then
    grep '.*' $argv[1] | cp $argv[1] ~/$argv[2]/$argv[1].bak
   endif
endif
exit 0

The first argument is the file you want to use grep on, and the second argument is the directory I want the backup to be put to, with the same filename with a .bak at the end. Any ideas on what I'm doing wrong and why it isn't copying the whole thing? Thank you

sammythesp3rmy

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LEARN ABOUT V7

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)