Ok, so when a user inputs nothing, simply pressing enter when prompted for a phone number, I get a "./addrbkfct.sh: test: argument expected" error message. I have the following function:
addNumber(){
echo "Phone number: \c";
read number;
echo $number;
if ;... (2 Replies)
Hi,
Can anyone help me? An input file has three lines. Each line should only be 2098 as number of characters however line 2 of the input file has more than the maximum number of characters, it exceeded up to 4098. What should I do so that could handle maximum number of characters? that it could... (1 Reply)
I'm trying to write a script that will handle the input from the ls command in my script so I can then manipulate the data.
For example, I want to capture the output of the ls command in my script and then do a differences between the filename received in to another directory.
ls |... (1 Reply)
Hi guys,
I am new to AWK and unix scripting. Please see below my problem and let me know if anyone you can help.
I have 2 input files (example given below)
Input file 2 is a standard file (it will not change) and we have to get the name (second column after comma) from it and append it... (5 Replies)
Hello everybody,
I have a file containing some statistics regarding CPU usage. The file has this syntax :
Fri Jul 16 14:27:16 EEST 2010
Cpu(s): 15.2%us, 1.4%sy, 0.0%ni, 82.3%id, 0.1%wa, 0.0%hi, 0.9%si, 0.0%st
Fri Jul 16 15:02:17 EEST 2010
Cpu(s): 15.3%us, 1.4%sy, 0.0%ni, 82.3%id, ... (9 Replies)
Hi,
I had input file with below data,
abcdefghij;20100903040607;1234567891;GLOBAL;
Having values of fields with seperated by semi-colon (;) and ended with line feed (\n).
Through shell script, how can I check the field formatting?
Thanks in advance. (18 Replies)
Hi,
I have a file of the following format:
AV 103
AV 104
AV 105
AV 308
AV 517
BN 210
BN 211
BN 212
BN 218
and the desired output is :
AV 103-105 3
AV 308 1
AV 517 1
BN 210-212 3 (5 Replies)
Hello,
I'm trying to figure out how best to approach this script, and I have very little experience, so I could use all the help I can get. :wall:
I regularly need to delete files from many directories.
A file with the same name may exist any number of times in different subdirectories.... (3 Replies)
HI
i have written a script to ask input from the user.
this script should promote the user for y/n input. if user enters anyother input then y/n
the script promotes him again. this below code is working fine for all the cases.
except for space and enter " if i give space and enter it is... (2 Replies)
Dear Friends,
I am looking for a shell script to merge input files into one file .. here is my idea:
1st paramter would be outfile file (all input files content)
read all input files and merge them to input param 1
ex: if I pass 6 file names to the script then 1st file name as output file... (4 Replies)
Discussion started by: hyd1234
4 Replies
LEARN ABOUT ULTRIX
exec
exec(1) User Commands exec(1)NAME
exec, eval, source - shell built-in functions to execute other commands
SYNOPSIS
sh
exec [argument...]
eval [argument...]
csh
exec command
eval argument...
source [-h] name
ksh
*exec [arg...]
*eval [arg...]
DESCRIPTION
sh
The exec command specified by the arguments is executed in place of this shell without creating a new process. Input/output arguments may
appear and, if no other arguments are given, cause the shell input/output to be modified.
The arguments to the eval built-in are read as input to the shell and the resulting command(s) executed.
csh
exec executes command in place of the current shell, which terminates.
eval reads its arguments as input to the shell and executes the resulting command(s). This is usually used to execute commands generated as
the result of command or variable substitution.
source reads commands from name. source commands may be nested, but if they are nested too deeply the shell may run out of file descrip-
tors. An error in a sourced file at any level terminates all nested source commands.
-h Place commands from the file name on the history list without executing them.
ksh
With the exec built-in, if arg is given, the command specified by the arguments is executed in place of this shell without creating a new
process. Input/output arguments may appear and affect the current process. If no arguments are given the effect of this command is to mod-
ify file descriptors as prescribed by the input/output redirection list. In this case, any file descriptor numbers greater than 2 that are
opened with this mechanism are closed when invoking another program.
The arguments to eval are read as input to the shell and the resulting command(s) executed.
On this man page, ksh(1) commands that are preceded by one or two * (asterisks) are treated specially in the following ways:
1. Variable assignment lists preceding the command remain in effect when the command completes.
2. I/O redirections are processed after variable assignments.
3. Errors cause a script that contains them to abort.
4. Words, following a command preceded by ** that are in the format of a variable assignment, are expanded with the same rules as a vari-
able assignment. This means that tilde substitution is performed after the = sign and word splitting and file name generation are not
performed.
EXIT STATUS
For ksh:
If command is not found, the exit status is 127. If command is found, but is not an executable utility, the exit status is 126. If a redi-
rection error occurs, the shell exits with a value in the range 1-125. Otherwise, exec returns a zero exit status.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
SEE ALSO csh(1), ksh(1), sh(1), attributes(5)SunOS 5.10 17 Jul 2002 exec(1)