Hi All,
I'm running some encrypted data through a script I wrote. In order to do this, I'm using eval to resolve some of my variables. At the moment, when I use eval to resolve, it strips out some of my encrypted values, and totally drops some others. For example if I have the value ab1"3 it drops... (1 Reply)
Hi, I have two files "foo" and "bar"
$ cat foo
a is \$a and b is \$b
$ cat bar
car tree
using the below 'while' loop I expect the output to be: a is car and b is tree
while read a b; do
eval echo $(cat foo) # o/p: a is $a and b is $b
eval "echo $(eval "cat foo")"... (1 Reply)
Hi,
I have snippet like the following
x="1"
prompt1="hi"
if I say
eval echo \$prompt$x then it is giving o/p "hi"
if I say `eval echo \$prompt$x` here it is giving 1 !
if I add one more escape character i.e.
`eval echo \\$prompt$x` then it is giving "hi"
Can you please... (3 Replies)
hi all,
Am trying to add some code to a ksh script and i dont understand how an eval function is used :
_var=$1
_conceal=$2
eval _val=\$${_var}
can someone shed some light on what the eval function in the above context means/does ??
thanks. (4 Replies)
Hi all,
some small script with eval turned me to crazy.
my OS is linux
Linux s10-1310 2.6.16.53-0.8.PTF.434477.3.TDC.0-smp #1 SMP Fri Aug 31 06:07:27 PDT 2007 x86_64 x86_64 x86_64 GNU/Linux
below script works well
#!/bin/bash
eval ssh remotehost date
eval ssh remotehost ls
below... (1 Reply)
Hello All,
Since my variables are nested I use eval to populate the data.
I have an ambiguity here when eval is used along with &
say I have the below variable
url="www.unix.com" , this come from function call as argument.
I want to take this into another variable say... (6 Replies)
bioutil(1) BSD General Commands Manual bioutil(1)NAME
bioutil -- tool for viewing/changing Touch ID configuration and listing/deleting enrolled fingerprints
SYNOPSIS
bioutil {-r | -w [-f { 0 | 1 }] [-u { 0 | 1 }] [-a { 0 | 1 }]} | [-c] | [-p] | [-d <uid>] [-s]
DESCRIPTION
bioutil provides the possibility of viewing and changing Touch ID configuration, both system-wide and user-specific. It also allows listing
and deleting enrolled fingerprints.
OPTIONS -r, --read
Read Touch ID configuration.
-w, --write
Write Touch ID configuration.
-s, --system
Indicates that system-wide configuration is to be read/written (user-specific configuration is the default) or that a system-wide
list/delete operation is to be performed.
-f, --function
Enables (1) or disables (0) overall Touch ID functionality (system-wide configuration only).
-u, --unlock
Enables (1) or disables (0) Touch ID for unlock.
-a, --applepay
Enables (1) or disables (0) Touch ID for ApplePay (user-specific configuration only).
-c, --count
Provides number of enrolled fingerprints of the current user or of all users (when run with -s as an administrator)
-p, --purge
Deletes all enrolled fingerprints of the current user or of all users (when run with -s as an administrator)
-d, --delete
Deletes all enrolled fingerprints of the user with given user ID (must be run as an administrator)
EXAMPLES
bioutil -r
Reads Touch ID configuration for the current user.
bioutil -r -s
Reads system-wide Touch ID configuration.
bioutil -w -u 1
Enables Touch ID for unlock for the current user.
sudo bioutil -w -s -u 0
Disables Touch ID for unlock for the whole system.
bioutil -c
Prints the number of enrolled fingerprints of the current user.
bioutil -p
Deletes all enrolled fingerprints of the current user.
sudo bioutil -c -s
Prints numbers of enrolled fingerprints of all enrolled users.
sudo bioutil -p -s
Deletes all fingerprints from the system.
sudo bioutil -s -d 501
Deletes all fingerprints of user 501.
Darwin May 31, 2019 Darwin