02-29-2012
Provide some input file contents and expected output ..
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Does anybody have an explanation for the following:
The following scripts runs fine on IRIX64 6.5 but has bugs on Solaris 8.
#! /bin/sh
echo run only on an SGI machine
echo type in linenumber
read j
echo value
read value
awk -f rmspass2 level=$value $j'step1.mlf'
When the script is... (5 Replies)
Discussion started by: AreaMan
5 Replies
2. Shell Programming and Scripting
Hello,
Can we pass shell variables like $PATH etc. to a awk program part
for example,
awk ' {
fieldValue=$PATH
....
}' file (1 Reply)
Discussion started by: Vishnu
1 Replies
3. Shell Programming and Scripting
Hi
I have a unix shell script with an awk statement. I would like to print some of the fields of an input file. However, I would like to print them dynamically, ie by passing the literal $1 $3 into the script to define the output.
I have tried the following:
variable1='$1'
awk... (2 Replies)
Discussion started by: Bab00shka
2 Replies
4. Shell Programming and Scripting
I am trying to pass the results from a variable gathered from awk, however when I echo the 'PARSE' and 'SUB', the response is blank. This is my command.
awk -F= '/Unit/''{ PARSE=substr($2,1,5) ; SUB=substr($2,1,1) }' inputfile.lst
Is this a kind of valid attempt or am I obligated to declare... (3 Replies)
Discussion started by: gozer13
3 Replies
5. UNIX for Dummies Questions & Answers
Hello,
I have two files File1 & File2.
File1
76 135
136 200
250 345
....
File2
1 24
1 35
1 36
1 72
....
I want to get all the values form File2 corresponding to the range in File 1 and feed it to a program. Is the code below right? Can I pass shell variables to awk in this... (2 Replies)
Discussion started by: Gussifinknottle
2 Replies
6. Shell Programming and Scripting
Using ksh to call a function which has awk script embedded.
It parses a long two element list file, filled with text numbers (I want column 2, beginning no sooner than line 45, that's the only known thing) . It's unknown where to start or end the data collection, dynamic variables will be used. ... (1 Reply)
Discussion started by: highnthemnts
1 Replies
7. Shell Programming and Scripting
I'm trying to use awk to write new entries to a hosts file if they don't exist. I need to do so depending on the type of system I have. Below is what I have, but it isn't working.
awk -v myip1=$IP1 myip2=$IP2 myhost1=$HOST1 myhost2=$HOST2' BEGIN { mqhost1=0; mqhost2=0; stap1=0; stap2=0; }
... (4 Replies)
Discussion started by: Boomn4x4
4 Replies
8. UNIX for Dummies Questions & Answers
Hi All,
Iam trying to pass global shell variables and is not working
Main script is like below
CYEAR=`date +"%y"`
CFYEAR=`date +"%Y"`
CMONTH=`date +"%m"`
if
then
PMONTH=12
PYEAR=`expr $CYEAR - 1`
PFYEAR=`expr $CFYEAR - 1`
else
PMONTH=`expr... (6 Replies)
Discussion started by: baanprog
6 Replies
9. Shell Programming and Scripting
Trying to do so
echo "111:222:333" |awk -F: '{system("export TESTO=" $2)}'But it doesn't work (2 Replies)
Discussion started by: urello
2 Replies
10. Shell Programming and Scripting
Hello, new to the forums and to awk. Glad to be here. :o
I want to pass two shell (#!/bin/sh) variables through to awk and use them. They will determine where to start and stop text extraction.
The code with the variables hard-coded in awk works fine; the same code, but with the shell... (7 Replies)
Discussion started by: bedtime
7 Replies
LEARN ABOUT CENTOS
sha1hmac
sha512hmac(8) System Administrator's Manual sha512hmac(8)
NAME
sha512hmac - compute and check HMAC values
SYNOPSIS
sha512hmac [OPTIONS] [-u | -k keyfile | -K key] [-c file [-q] | file [...] ]
DESCRIPTION
The sha512hmac command can compute and/or verify HMAC and unkeyed checksum values for the contents of files. Variations such as
sha384hmac, sha256hmac, and sha1hmac all operate similarly except that they use different digest algorithms.
SELF-TEST
As a safety measure, the tool will always attempt to verify a previously- computed HMAC over itself with the contents of a second file
(sha512hmac.hmac for sha512hmac, and a similarly-named file for each variation) before processing any other files, and will exit with an
error if the second file either cannot be read or does not match the computed value.
OPTIONS
-c Check that the HMAC values and names listed in the specified file(s) are correct for the files which are available. The format of
the files should match the output which the tool produces when computing the values: a hex-encoded HMAC value and then a filename,
separated by whitespace.
-q Suppress any output when checking values.
-d cfgdir
Specify the configuration directory to be used by the NSS library. The default location is /etc/pki/nssdb.
-h algorithm
Generate the HMAC value using a non-default hashing algorithm. The default is determined by the name used to invoke the tool
(sha1hmac, sha256hmac, etc.). If no default can be derived this way, the default setting will be sha512. Specify help or another
invalid value to obtain a list of recognized algorithms.
-u Generate an unkeyed checksum instead of an HMAC. The output produced by the tool should then be comparable to that of sha1sum and
related tools.
-k filename
Use the contents of the specified file as the secret key used in computing the HMAC values. If no key file or text is specified, a
hard-coded default value is used. This option should always be used.
-K text
Use the text of the argument as the secret key used in computing the HMAC values. If no key file or text is specified, a hard-coded
default value is used.
-b Process file contents in binary mode, marking output as such by prefixing filenames with *. This option is not expected to have any
other meaningful effect.
-t bits
Truncate HMAC values to a given length when computing or verifying them.
-S Generate an HMAC over the tool itself and output it on standard out. This is a bootstrapping option which is not expected to be
used.
-P Attempt to pass all input files through prelink -y before processing their contents. The tool always attempts to do so when comput-
ing or performing a self-check.
EXAMPLES
Example output from sha1hmac, for files on the developer's system:
e64db5e8a9b8a40091e5302fa4de0bfc6c5d19d0 /etc/passwd
e7d93a2c70ec4d7720c6f2b033c1e5ea19f2d677 /etc/group
d732d6df77114ea6b81a43d64655f86b1e5ee925 /etc/services
ad92162bef979054a75d1f3510e6b05902bec641 /etc/hosts
SEE ALSO
fipshmac(1), fipscheck(1), prelink(8)
BUGS
Probably, but let's hope not. If you find any, please either report them in the bug database at http://bugzilla.redhat.com/ against the
"hmaccalc" component, or in the trac instance at https://fedorahosted.org/hmaccalc/.
AUTHOR
Nalin Dahyabhai <nalin@redhat.com>
hmaccalc 0.9.13 2009/03/19 sha512hmac(8)