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Full Discussion: Using ls command to display files for range of values only
Top Forums UNIX for Dummies Questions & Answers Using ls command to display files for range of values only Post 302819321 by Don Cragun on Monday 10th of June 2013 03:29:24 PM
Old 06-10-2013
Quote:
Originally Posted by shamrock
In that case try this...
Code:
ls -latr | grep -E "PROFILE_TXN_61(649|[6-9][5-7][0-9])"

The OP wanted a simple list of files, not the long listing format of ls output. I didn't see any indication that the OP wanted the files sorted in reverse order by timestamp instead of by filename. And, since the desired filenames all start with "P", there's no need for ls's -a option.

The OP wanted filenames containing the numbers 61649 through 61979 inclusive, the pattern in the grep above will exclude several desired files from the output including (but not limited to) 61900-61949 and 61680-61699.

If the OP's shell doesn't support sequence expansions like {61649..61979}, or if the expansion of PROFILE_TXN_{61649..61979}.dat on the ls command causes its invocation to fail because ARG_MAX was exceeded, I believe the following ls and grep combination will work:
Code:
ls | grep -E "PROFILE_TXN_61(649|6[5-9][0-9]|[78][0-9][0-9]|9[0-7][0-9]).dat"

 

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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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