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UNIX for Dummies Questions & Answers
substr of a file
Post 302255884 by davyp74 on Friday 7th of November 2008 10:00:19 AM
11-07-2008
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10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
What is the more efficient way to do this (awk only and default FS) ?
$ echo "jefe@alm"|awk '{pos = index($0, "@");printf ("USER: %s\n",substr ($0,1,pos-1))}'
USER: jefe
Thx in advance (2 Replies)
Discussion started by: Klashxx
2 Replies
2. UNIX for Dummies Questions & Answers
Hi,
My input file is
41;2;xxxx;yyyyy....
41;2;xxxx;yyyyy....
41;2;xxxx;yyyyy....
..
..
I need to change the second field value from 2 to 1. i.e.,
41;1;xxxx;yyyyy....
41;1;xxxx;yyyyy....
41;1;xxxx;yyyyy....
..
..
Thanks in advance. (9 Replies)
Discussion started by: deepakwins
9 Replies
3. UNIX for Dummies Questions & Answers
i have a variable 200612
the last two digits of this variable should be between 1 and 12, it should not be greater than 12 or less than 1 (for ex: 00 or 13,14,15 is not accepted)
how do i check for this conditions in a unix shell script.
thanks
Ram (3 Replies)
Discussion started by: ramky79
3 Replies
4. Shell Programming and Scripting
Hi,
I have a long string like,
aabab|bcbcbcbbc|defgh|paswd123 dedededede|efef|ghijklmn|paswd234 ghghghghgh|ijijii|klllkkk|paswd345 lmlmlmmm|nononononn|opopopopp|paswd456
This string is devided into one space between substrings. This substrings are,
aabab|bcbcbcbbc|defgh|paswd123... (6 Replies)
Discussion started by: syamkp
6 Replies
5. UNIX for Dummies Questions & Answers
.wysiwyg { PADDING-RIGHT: 0px; PADDING-LEFT: 0px; BACKGROUND: #f5f5ff; PADDING-BOTTOM: 0px; MARGIN: 5px 10px 10px; FONT: 10pt verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif; COLOR: #000000; PADDING-TOP: 0px } .wysiwyg A:link { COLOR: #22229c } .wysiwyg_alink { COLOR:... (1 Reply)
Discussion started by: davyp74
1 Replies
6. UNIX for Dummies Questions & Answers
can anybody explain this code?
thanks in advance..:) (6 Replies)
Discussion started by: janani_kalyan
6 Replies
7. Shell Programming and Scripting
Hi Everyone,
# cat a.txt
a;b;c;64O
a;b;c;d;ee;f
# cat a.pl
#!/usr/bin/perl
use strict;
use warnings;
my $tmp3 = ",,a,,b,,c,,d,,e,,f,,";
open(my $FA, "a.txt") or die "$!";
while(<$FA>) {
chomp;
my @tmp=split(/\;/, $_);
if ( ($tmp =~ m/^(64O)/i) || ($tmp... (3 Replies)
Discussion started by: jimmy_y
3 Replies
8. Shell Programming and Scripting
I would like to extract a digit from $0 starting 2,30 to 3,99 or 2.30 to 3.99
Can somebody fix this?
awk --re-interval '{if($0 ~ /{1}{2}/) {print FILENAME, substr($0,index($0,/{1}{2}/) , 4)}}'input
abcdefg sdlfkj 3,29 g. lasdfj
alsdfjasl 2.86 gr. slkjds sldkd
lskdjfsl sdfkj kdjlksj 3,34 g... (4 Replies)
Discussion started by: sdf
4 Replies
9. Shell Programming and Scripting
I have a command like this:
listdb ID923 -l |gawk '{if (substr($0,37,1)==1 && NR == 3)print "YES" else if (substr ($0,37,1)==0 && NR == 3) print "NO"}'
This syntax doesn't work. But I was able to get this to work:
listdb ID923 -l |gawk '{if (substr($0,37,1)==1 && NR == 3)print "YES"}'
... (4 Replies)
Discussion started by: newbie2010
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10. UNIX for Dummies Questions & Answers
awk '/^>/{id=$0;next}length>=7 { print id, "\n"$0}' Test.txt
Can I use substr to achieve the same task?
Thanks! (8 Replies)
Discussion started by: Xterra
8 Replies
LEARN ABOUT DEBIAN
make-jpkg
MAKE-JPKG(1) General Commands Manual MAKE-JPKG(1) NAME
make-jpkg - builds Debian packages from Java binary distributions SYNOPSIS
make-jpkg [OPTION]... [FILE] DESCRIPTION
make-jpkg builds a Debian package from the given Java distribution FILE. Supported java binary distributions currently include: * Oracle (http://www.oracle.com/technetwork/java/javase/downloads) : - The J2SE Development Kit (JDK), version 6 (update >= 10), 7 - The J2SE Runtime Environment (JRE), version 6 (update >= 10), 7 - The J2SE API Javadoc, version 6 (update >= 10), 7 (Choose tar.gz archives or self-extracting archives, do _not_ choose the RPM!) The following options are recognized: --full-name NAME full name used in the maintainer field of the package --email EMAIL email address used in the maintainer field of the package --changes create a .changes file --revision add debian revision --help display help text and exit --version output version information and exit Download a supported Java RE or SDK or API tar.gz or self-extracting archive from http://www.oracle.com/technetwork/java/javase/downloads and execute make-jpkg file with the downloaded file. The program asks the user for additional information and builds a Debian binary pack- age in the current directory. The program requires about 200 MB free disk space in a temporary directory. The temporary directory defaults to /tmp but you can specify an alternate directory by setting the environment variable TMPDIR. EXAMPLE
To install Oracle(TM) 7 Standard Edition JDK, download a release - 64 bits version of update 2 from http://www.oracle.com/technet- work/java/javase/downloads/jdk-7u2-download-1377129.html in this example - and invoke make-jpkg: make-jpkg <path_to_download_directory>/jdk-7u2-linux-x64.tar.gz This generate a Debian package in the current directory, that can be installed using dpkg: dpkg -i oracle-j2sdk1.7_1.7.0+update2_amd64.deb When you're done, you can delete initial download as well as generated package: rm <path_to_download_directory>/jdk-7u2-linux-x64.tar.gz oracle-j2sdk1.7_1.7.0+update2_amd64.deb ENVIRONMENT
TMPDIR base directory used for temporary files (defaults to /tmp) J2SE_PACKAGE_FULL_NAME full name used in the maintainer field of the package; if none is supplied then the default of "Debian Java Maintainers" is used. J2SE_PACKAGE_EMAIL email address used in the maintainer field of the package; if none is supplied the default of "pkg-java-maintain- ers@lists.alioth.debian.org" is used. SEE ALSO
update-java-alternatives(1) AUTHOR
This manual page was written by Hubert Schmid <j2se-package@z42.de>. It is now maintained by the Debian Java Maintainers <pkg-java-maintainers@lists.alioth.debian.org>. January 22, 2012 MAKE-JPKG(1)