04-18-2012
Bash script to STOP installation 'if' a file exists...
Hey all,
Here's my dilemma:
1. I'm a newbie at scripting!
2. I need to create a script that checks: If a file size is equal to zero, then stop the installation.
Is there a way to do this or am I wasting my time???
Thanx in advance!
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
We have data files that are ftp'd every morning to a SUN server. The file names are exactly the same except for that each has the date included in its name. I have to write script to do 2 things:
STEP 1) Verify that the file arrived in morning.
STEP 2) Compare the file size of the current... (3 Replies)
Discussion started by: rbknisely
3 Replies
2. Shell Programming and Scripting
I'd like a bash script to simply check to see if any file/files are present in a source directory, and if so move it/them to a target directory.
I have this but it doesn't work:
#!/bin/bash
if
then
mv /source/* /target
fi
What is the right syntax? Thanks! (4 Replies)
Discussion started by: graysky
4 Replies
3. Shell Programming and Scripting
Hi, for an exercise I need to write a script that will ask the user about each package in a (local) repository and install it or not according to the user's input.
I am fairly new to scripting, so I did not get very far. Here is what I came up with. I really appreciate your help.
... (1 Reply)
Discussion started by: Softsmid
1 Replies
4. Shell Programming and Scripting
guys,
I am trying to write a script that does the following:
it looks for a file in a specific directory and if the file is not there (NOT), it emails me. I have tried the following but its not working. It simply hangs up. Please help.
if
then
mail -s 'blah blah blah' my email... (4 Replies)
Discussion started by: basisvasis
4 Replies
5. Shell Programming and Scripting
Hi,
I am looking for a shell script with the following.
1. It should check whether a particular file exists in a location
#!/bin/sh
if ;
then
echo "xxx.txt File Exists"
else
echo "File Not Found"
fi
2. If file exists, it should check for the modified date and run a command... (2 Replies)
Discussion started by: karthikeyan_mac
2 Replies
6. Shell Programming and Scripting
Hi,
I am trying to write a script which checks if any file exists with "*.log" or "*.out" in Directory
below is the code
#------------------
path=/abd/xyz/
if ; then
echo "Good"
else
echo "Failure"
fi
#--------------------------
its always going to else part and printing... (8 Replies)
Discussion started by: ch33ry
8 Replies
7. Shell Programming and Scripting
basically im trying to make this work in a bash shell script without using if statements
if
then
echo testfile exists!
fi
what it does is check if the file exists or not
i have this line but its not working, it checks if the testfile exists if it doesnt it 2> to the dev null... (3 Replies)
Discussion started by: gangsta
3 Replies
8. Shell Programming and Scripting
Hello all,
I am currently writing a script to send files to a server over sftp. When the sftp put command succeeds it wil preform a local move from within the sftp shell to another folder (this is done so when the script is rerun no doubles will be sent).
therefore i had following sollution
... (32 Replies)
Discussion started by: Kerberos
32 Replies
9. Windows & DOS: Issues & Discussions
I'm looking to do pretty much what the title says.
I want a script that runs, it can run on Unix or Windows, doesn't matter, and searches a Samba shares for a .txt file.
If the file exists, the script will move (or possibly copy) the file from the Samba share into a directory on our Unix... (3 Replies)
Discussion started by: twcostello
3 Replies
10. UNIX for Dummies Questions & Answers
Hi !
I have a problem with an if/else statement in bash.
I want to check if the file exists before running a task (for example here, counting lines), and if not I need to create an empty output file
if
then
wc -l input.tab > output.temp
else
>output.temp
fi
The problem is even if the... (2 Replies)
Discussion started by: beca123456
2 Replies
LEARN ABOUT MOJAVE
jrunscript
jrunscript(1) General Commands Manual jrunscript(1)
NAME
jrunscript - command line script shell
SYNOPSIS
jrunscript [ options ] [ arguments... ]
PARAMETERS
options
Options, if used, should follow immediately after the command name.
arguments
Arguments, if used, should follow immediately after options or command name.
DESCRIPTION
jrunscript is a command line script shell. jrunscript supports both an interactive (read-eval-print) mode and a batch (-f option) mode of
script execution. This is a scripting language independent shell. By default, JavaScript is the language used, but the -l option can be
used to specify a different language. Through Java to scripting language communication, jrunscript supports "exploratory programming"
style.
NOTE: This tool is experimental and may not be available in future versions of the JDK.
OPTIONS
-classpath path
Specify where to find the user's .class files that are accessed by the script.
-cp path
This is a synonym for -classpath path
-Dname=value
Set a Java system property.
-Jflag
Pass flag directly to the Java virtual machine on which jrunscript is run.
-l language
Use the specified scripting language. By default, JavaScript is used. Note that to use other scripting languages, you also need to spec-
ify the corresponding script engine's jar file using -cp or -classpath option.
-e script
Evaluate the given script. This option can be used to run "one liner" scripts specified completely on the command line.
-encoding encoding
Specify the character encoding used while reading script files.
-f script-file
Evaluate the given script file (batch mode).
-f -
Read and evaluate a script from standard input (interactive mode).
-help
Output help message and exit.
-?
Output help message and exit.
-q
List all script engines available and exit.
ARGUMENTS
If [arguments...] are present and if no -e or -f option is used, then the first argument is the script file and the rest of the arguments,
if any, are passed as script arguments. If [arguments..] and -e or -f option are used, then all [arguments..] are passed as script argu-
ments. If [arguments..], -e and -f are missing, interactive mode is used. Script arguments are available to a script in an engine variable
named "arguments" of type String array.
EXAMPLES
Executing inline scripts
jrunscript -e "print('hello world')"
jrunscript -e "cat('http://java.sun.com')"
Use specified language and evaluate given script file
jrunscript -l js -f test.js
Interactive mode
jrunscript
js>print('hello world');
hello world
js>34 + 55
89
js> thread(function() { print('hello world'); }
hello world
js>
Run script file with script arguments
jrunscript test.js arg1 arg2 arg3
test.js is script file to execute and arg1, arg2 and arg3 are passed to script as script arguments. Script can access these using "argu-
ments" array.
SEE ALSO
If JavaScript is used, then before evaluating any user defined script, jrunscript initializes certain built-in functions and objects. These
JavaScript built-ins are documented in jsdocs.
06 Aug 2006 jrunscript(1)