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Shell Programming and Scripting
Redirect grep output to dynamique fileName and subdirectory
Post 302250901 by sethcoop on Friday 24th of October 2008 02:33:16 PM
10-24-2008
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Can anyone please tell me, how can I redirect the grep command output to same file. I am trying with below command but my original file contains no data after executing the command.
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whereis
whereis(1) General Commands Manual whereis(1) NAME
whereis - locate source, binary, and/or manual for program SYNOPSIS
dir... name... DESCRIPTION
locates source, binary, and manuals sections for specified files. The supplied names are first stripped of leading path name components and any (single) trailing extension of the form (such as Prefixes of resulting from use of SCCS are also dealt with. then attempts to locate the desired program in a list of standard places. Options recognizes the following command-line options: Limit search to binary files. Can be used in conjunction with or Limit search to source-code files. Can be used in conjunction with or Limit search to manual entry files. Can be used in conjunction with or Search for unusual entries. A file is said to be unusual if it does not have one entry of each requested type. Thus, searches for those files in the current directory that have no corresponding manual entry. Limit search to binaries located in one or more specified directories. Can be used in conjunction with or Limit search to source files located in one or more specified directories. Can be used in conjunction with or Limit search to manual entry files located in one or more specified directories. Can be used in conjunction with or Terminates the last directory list or options) and identifies the start of file names. EXTERNAL INFLUENCES
International Code Set Support Single- and multi-byte character code sets are supported. EXAMPLES
Find all the files in that are not documented in with source files in WARNINGS
uses the system call (see chdir(2)) to run faster. Therefore, path names given with the and options must be absolute path names. AUTHOR
was developed by the University of California, Berkeley. FILES
whereis(1)