06-01-2010
Hi,
I did not understand how it differs.
$ cat sample |
*sml_0018 *smmt_0031 sdmt_0042 *srmt_0053 |
1 1 1 1 |
11.2902 12.4807 10.7395 7.9672 |
8.98292 9.03125 9.69812 7.7105 |
7.71334 8.28308 8.05211 7.57295 |
9.07925 9.17628 8.96038 8.1141 |
10.1289 8.9778 9.17119 7.52616 |
11.5821 9.54838 8.76748 8.19344 |
9.18122 9.71467 10.1511 13.4099 |
$ awk '{for (i=1;i<=NF;i++) {if (NR==1 && $i~/^*/) A[i]; if (i in A) printf $i"\t"} print ""}' sample
*sml_0018 *smmt_0031 sdmt_0042 *srmt_0053
1 1 1 1
11.2902 12.4807 10.7395 7.9672
8.98292 9.03125 9.69812 7.7105
7.71334 8.28308 8.05211 7.57295
9.07925 9.17628 8.96038 8.1141
10.1289 8.9778 9.17119 7.52616
11.5821 9.54838 8.76748 8.19344
9.18122 9.71467 10.1511 13.4099
Last edited by jacks; 06-01-2010 at 08:28 AM..
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LEARN ABOUT NETBSD
zfgrep
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