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Top Forums UNIX for Beginners Questions & Answers How to print the "grep" result as specified keyword order? Post 303037632 by RudiC on Thursday 8th of August 2019 08:47:53 AM
Old 08-08-2019
For reading the keywords from file, try grep -f id.txt


For keeping the sequence as given in id.txt, you could write e.g. an awk or perl script. Or try this very inefficient shell (untested):
Code:
while read ID
  do   grep $ID content.xls
  done < id.txt

Don't try with large files, as it scans through the entire content.xls for every single keyword in id.txt
Reading the content.xls file into an associated array indexed by the key value and then printing it according to the keys found in id.txt is left as an exercise for the reader.
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ZGREP(1)						    BSD General Commands Manual 						  ZGREP(1)

NAME
zgrep, zegrep, zfgrep -- print lines matching a pattern in gzip-compressed files SYNOPSIS
zgrep [grep-flags] [--] pattern [files ...] zegrep [grep-flags] [--] pattern [file ...] zfgrep [grep-flags] [--] pattern [file ...] DESCRIPTION
zgrep runs grep(1) on files or stdin, if no files argument is given, after decompressing them with zcat(1). The grep-flags and pattern arguments are passed on to grep(1). If an -e flag is found in the grep-flags, zgrep will not look for a pattern argument. zegrep calls egrep(1), while zfgrep calls fgrep(1). EXIT STATUS
In case of missing arguments or missing pattern, 1 will be returned, otherwise 0. SEE ALSO
egrep(1), fgrep(1), grep(1), gzip(1), zcat(1) AUTHORS
Thomas Klausner <wiz@NetBSD.org> BSD
December 28, 2003 BSD
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