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Full Discussion: Convert hexadecimal value to decimal value
Top Forums UNIX for Dummies Questions & Answers Convert hexadecimal value to decimal value Post 302958504 by Don Cragun on Friday 23rd of October 2015 01:48:46 AM
Old 10-23-2015
The submitter's original script used cat once and awk twice before doing the conversion from hex to decimal. I cut that back to just one awk, but clearly there is no need for awk here either. We can do it all with shell built-ins...
Code:
/usr/xpg4/bin/sh
while read f1 f2 junk f4 f5 f6 f7 f8 f9 f10 junk
do	[ "$f1" = "" ] && continue
	printf '%s %s %u %u %u %u %u %u %u\n' \
	    "$f1" "$f2" "0x$f4" "0x$f5" "0x$f6" "0x$f7" "0x$f8" "0x$f9" "0x$f10"
done < hexconv

In theory, this script should work with /bin/sh, /bin/ksh, /bin/bash, and /usr/xpg4/bin/sh, but I don't know if the printf built-in in all of those shells will recognize hexadecimal string values (and Jim didn't say which shell he was using for the results he showed us in post #10 in this thread).
 

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LEARN ABOUT OPENSOLARIS

shells

shells(4)							   File Formats 							 shells(4)

NAME

       shells - shell database

SYNOPSIS

       /etc/shells

DESCRIPTION

       The shells file contains a list of the shells on the system. Applications use this file to determine whether a shell is valid. See getuser-
       shell(3C). For each shell a single line should be present, consisting of the shell's path, relative to root.

       A hash mark (#) indicates the beginning of a comment; subsequent characters up to the end of the line are not interpreted by  the  routines
       which search the file. Blank lines are also ignored.

       The following default shells are used by utilities: /bin/bash, /bin/csh, /bin/jsh, /bin/ksh, /bin/ksh93, /bin/pfcsh, /bin/pfksh, /bin/pfsh,
       /bin/sh, /bin/tcsh, /bin/zsh, /sbin/jsh, /sbin/sh, /usr/bin/bash, /usr/bin/csh, /usr/bin/jsh, /usr/bin/ksh, /usr/bin/ksh93, /usr/bin/pfcsh,
       /usr/bin/pfksh, /usr/bin/pfsh, and /usr/bin/sh, /usr/bin/tcsh, /usr/bin/zsh, and /usr/sfw/bin/zsh. /etc/shells overrides the default list.

       Invalid shells in /etc/shells could cause unexpected behavior, such as being unable to log in by way of ftp(1).

FILES

       /etc/shells    list of shells on system

SEE ALSO

       vipw(1B), ftpd(1M), sendmail(1M), getusershell(3C), aliases(4)

SunOS 5.11							    20 Nov 2007 							 shells(4)
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