Can somebody give me the explanation for this command line:
ps>newfile<infile wc -l
?
I am totally confused with the order of its execution.. :confused:
Thanx,
Saneesh Joseph. (3 Replies)
Hi Group ,
I m trying to execute commands on some other system using write command but inspite of executing the commands they r passed as simple messages.
- i m writing
>write user-id
! ls
o
ctrl-d
inspite of executing the command ls,other terminal shows ! ls.
Thnx in advance. (2 Replies)
I'm trying to populate a command line into a variable. It appears to be executing, instead. Here's an example:
mycmd=''
if ...; then
$mycmd='sudo '
fi
$mycmd=$mycmd 'sed -i prev s/aaa/bbb/' $myfile
res=`$mycmd`
(I'm also not sure of the best way to execute the command from the... (1 Reply)
How to make it works this way?
echo dir1\/*.txt ; echo dir1\/*.html | xargs wc -l
dir1/*.txt
wc: dir1/*.html: No such file or directory
what i'm trying to do it to "wc dir1/*.txt" and "wc dir1/*.html" (2 Replies)
Hi All,
I need this to execute and not just print on Red Hat ent 4 bash shell.
cat /etc/passwd|grep db2 | awk -F":" '{print "cat /etc/group | grep ",$4}'
Output:
cat /etc/group | grep 1000 (I don't want this to print but execute)
Thanks for any comment you may add. (2 Replies)
HI,
I have a directory called input directory called "input", The "input" directory contains file names (file1,file2,file3,file4), I want to write a command so that it will display all the file names with comma separated.
Desired output: file1,file2,file3 so on....
Regards
Akshay... (2 Replies)
This seemed straight forward until I tried to code it.
I'm running ioscan -fuNC disk to get list of disk including hardware path. What I'm trying to do is use awk to take this output, extract hardware path, and pass that as a variable to ioscan -P wwid -N -H 64000/0xfa00/0x1a | grep ^disk and... (11 Replies)
I am running the export command within a view to use that value inside my build script. But while executing it it is saying "export command not found"
My code is as follows:
--------------------------
#!/bin/sh
user="test"
DIR="/bldtmp/"$user
VIEW="test.view1"
echo "TMPDIR before export... (4 Replies)
Hello :)
new to bash not to programming.
I have an on-going need to change the owning group on sets of files and directories from the one they were created with or changed to on update to the one they need to have going forward.
find {target_root} -group wrong_group
gets me a newline... (4 Replies)
Hello i am having an issue with bash script and this is the code
now=$(cat hosts1.txt | awk '{print $2;}')
while read n ;do
ssh root@$now 'useradd test1; echo -e "test1\ntest1" | passwd test1 && echo "test1 ALL=(ALL:ALL) ALL" >> /etc/sudoers'
When i execute only part with cat, it... (8 Replies)
Discussion started by: tomislav91
8 Replies
LEARN ABOUT LINUX
let
let(1) User Commands let(1)NAME
let - shell built-in function to evaluate one or more arithmetic expressions
SYNOPSIS
ksh
let arg...
DESCRIPTION
ksh
Each arg is a separate "arithmetic expression" to be evaluated.
EXIT STATUS
The following exit values are returned:
0 The value of the last expression is non-zero.
1 The value of the last expression is zero.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
SEE ALSO ksh(1), set(1), typeset(1), attributes(5)SunOS 5.10 15 Apr 1994 let(1)