What I'm trying to do is look at a list of users, and check to see if each exists. If they do, do some more stuff, if they don't, drop them into an error file.
So, my user list is:
foo - exists
bar - does not exist
blah - does not exist
K, so, here's the script:
You haven't redirected standard error, only standard output:
Quote:
The test will give a syntax error is there is nothing in $check; quote the variable:
However, that's not what you want; you are comparing the value of $check against the literal word NULL. What you want is:
Better would be:
Quote:
I am obviously going to do more. The issue is, the output from id ends up outputting to the shell, rather than "blah". So, in the case of bar and blah, I get:
"id: bar: no such user
id: blah: no such user"
output to the shell. Where, I'd THINK that I'd get the output:
"blah
blah"
Anyone got any idea what's wrong?
You haven't redirected standard error, only standard output:
I'm confused as to how to handle floating point numbers in shell scripts. Is there a way to convert a number (string) read into a shell variable so that it can be used as a floating point decimal for calculation purposes? Or am I stuck with integrating C or Perl into my script?
Ex:
--input
... (3 Replies)
Hi,
I'm trying to assign the output of a command to a variable and then concat it with another string, however, it keeps overwriting the original string instead of adding on to the end of the string.
Contents of test.txt --> This is a test
var1="`head -n 1 test.txt`"
echo $var1 (This is a... (5 Replies)
I have the sql file cde.sql with the below contents:
abcdefghij
abcwhendefothers
sdfghj
when no one else
when others
wwhen%others
exception when others
Now I want to search for the strings containing when others together and ceck whether that does not occur more than once in the... (2 Replies)
Hello friends,
I doing the follwing script , but found problem to store it to a shell variable.
#! /bin/sh
for temp in `find ./dat/vector/ -name '*.file'`
do
echo $temp
nawk -v temp=$temp 'BEGIN{ split(temp, a,"\/"); print a}'
done
output:
./dat/vector/drf_all_002.file... (6 Replies)
hi,
I want to assign find command result into some temporary variable:
jarPath= find /opt/lotus/notes/ -name $jarFile
cho "the jar path $jarPath"
where jarPath is temporary variable.
Can anybody help on this.
Thanks in advance
----Sankar (6 Replies)
When I run time -p <command>, it outputs:
real X.XX
user X.XX
sys X.XXwhere X.XX is seconds. How I can take just that first number output, the seconds of real time, and assign that to a variable? (9 Replies)
I've been searching these forums for a while, but this is my first actual post, so please bear with me :)
I'm writing a short script using ksh and am trying to store a command and parameters in a variable. My intention is to issue the command by calling the variable. The command will contain... (4 Replies)
suppose I have a file named abc.txt.The contents of the file is sited below
abc.txt
maitree,test,test3
Using awk command can I store these 3 values in 3 different variable and in one single line command of awk.
suppose variable a b c is there.
I don't want like this
a=`awk -F"," '{print... (2 Replies)
Hello,
Need a small help to execute below script.
#!/bin/bash
. new.txt
for no in 3 4
do
echo $((uname_$no))
done
new.txt contains
uname_1="XXXXXX"
uname_2="YYYYY"
uname_3="ZZZZZ"
......... (6 Replies)
i am trying to assign the following expression to a variable in Unix shell script
and want to use that variable in some other expression. But unable to get the required thing done. Please help with this....
This is the expression which i want to provide as input the variable
date '+%y:%m:%d' |... (3 Replies)