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Shell Programming and Scripting
Problem with if statement, cannot get to right directory
Post 302993449 by vgersh99 on Thursday 9th of March 2017 06:54:26 PM
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1. UNIX for Dummies Questions & Answers
I keep getting an error at line 21, it doesn't like my if statement. Previously I have tried using (( )), but still get errors. The current error is that server_busy is not found. This is the script:
#! /bin/ksh
server_busy="na"
for file in $1 $2 $3 $4 $5 $6
do
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Hi I have a bash script like this
if
then
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echo "Enter the variable: " "
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Hi All,
I am writing an if statement to check multiple conditions, but when I try to execute the script it is breaking at the point of if statement by showing the issue below.
Code I am using is given below.
if -a ]
then
....
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...
fi
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LEARN ABOUT OSF1
nice
nice(3) Library Functions Manual nice(3) NAME
nice - Changes the scheduling priority of a process LIBRARY
Standard C Library (libc) Berkeley Compatibility Library (libbsd) SYNOPSIS
#include <unistd.h> int nice( int increment); STANDARDS
Interfaces documented on this reference page conform to industry standards as follows: nice(): XSH4.2 Refer to the standards(5) reference page for more information about industry standards and associated tags. PARAMETERS
Specifies a value that is added to the current process priority. You can specify a negative value. DESCRIPTION
The nice() function adds the value specified in the increment parameter to the nice value of the calling process. The nice value is a non- negative number; a higher nice value gives the process a lower CPU priority. When you are using the Standard C Library version of the nice() function, the maximum nice value for a process is 39 (2 * {NZERO} -1) and the minimum is 0 (zero). Requests for values outside these limits result in the nice value being set to the corresponding limit. [XPG4-UNIX] If execution of the Standard C Library nice() function fails, the system does not alter the specified priority. Any process can lower its priority (numerically raise its nice value). A process must have superuser privileges to raise its priority (numerically lower its nice value). [Tru64 UNIX] For backward compatibility, a version of the nice() function is supported that allows nice values in the range of -20 to 20. Requests for values above or below these limits result in the nice value being set to the corresponding limit. To use the backward-compat- ible version of nice(), compile with the Berkeley Compatibility Library (libbsd.a). RETURN VALUES
Upon successful completion, the nice() function returns the new nice value minus 20 ({NZERO}). Otherwise, the function returns -1 and sets errno to indicate the error. ERRORS
The Standard C Library version of nice() sets errno to the specified values for the following conditions: The calling process does not have appropriate privilege. [Tru64 UNIX] The libbsd.a version of nice() sets errno to the same values as the setpriority() function. For information about possible return values for the setpriority() function, see setpriority(2). RELATED INFORMATION
Functions: exec(2), getpriority(2), setpriority(2) Standards: standards(5) delim off nice(3)