08-10-2010
There is a future for both Perl and C in my opinion. C tends to be used for operating system development, embedded code and more, C++ for business application development, and Perl for large scale scripting. There is no clear answer; it depends on what you personally want to do.
This User Gave Thanks to fpmurphy For This Post:
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi,
I have a perl script. It needs to open a file but the file that it will open will depend on the result of a unix command "tail -1". How can I do that in perl, to open a file which is the results from a unix command? Thanks in advance! Hope you can help me. (2 Replies)
Discussion started by: ayhanne
2 Replies
2. Shell Programming and Scripting
I understand that in order to run basic unix commands I would normally type at the prompt, I would have to use the following format
system(ls -l);
or
exec(ls -l);
But when I actually try to use the command, the script fails to compile and keeps telling me there is an error with this line. ... (1 Reply)
Discussion started by: userix
1 Replies
3. Shell Programming and Scripting
i need to ftp a file from windows to a unix machine by executing a sript(perl/shell/php) from that unix machine.i can also use HTML and javascript to build forms. (3 Replies)
Discussion started by: raksha.s
3 Replies
4. Shell Programming and Scripting
Hi All,
This below command is working fine with unix box. However i could not able
to run it in PERL. kidly suggest???
perl -ne '{push @x, $_}END{pop(@x); print @x}' create2.txt (15 Replies)
Discussion started by: adaleru
15 Replies
5. Shell Programming and Scripting
Very new to UNIX, so still getting used to all this.
I made a Perl script where I want to create a spreadsheet file when extracting "data" from a text file.
Now, this works perfectly fine on my Windows OS since I'm using the Win32 libraries with Microsoft Excel, but when I want to try it out on... (0 Replies)
Discussion started by: kooshi
0 Replies
6. Shell Programming and Scripting
so in unix this command works works and shows me a list of directories
find . -name \*.xls -exec dirname {} \; | sort -u | > list.txt
but when i try running a perl script to run this command
my $query = 'find . -name \*.xls -exec dirname {} \; | sort -u | > list.txt';... (2 Replies)
Discussion started by: kpddong
2 Replies
7. Shell Programming and Scripting
Hi All
I got stuck in an issue, and i want help from you guys. The issue is-:
I have two scripts one is call.sh(written in Unix) and another one is called.pl(written in Perl). What i do is i invoke the script call.sh and inside of call.sh the Perl script is called called.pl.
There is some... (4 Replies)
Discussion started by: parthmittal2007
4 Replies
8. Shell Programming and Scripting
Hi ,
Could someone please help me for following script:
perl -pi -e 's/\"//g' ${FILELIKE}*.csv
perl -pi -e '$_ ="" if ($.==1);' ${FILELIKE}*.csv
What these 2 commands are doing?
Thanks,
Preetpal
How to use code tags (4 Replies)
Discussion started by: preetpalkapoor
4 Replies
9. Programming
Hello,
Fairly simple really I have an xml file and I want to check to see if it contains a pattern. The pattern is "../"
On the command line I can type: grep "\.\./" myFile.xml
and I get desired result.
To do the same thing in a perl script I thought it was as simple as putting the ``... (4 Replies)
Discussion started by: Jaymoney
4 Replies
10. Shell Programming and Scripting
Hi,
Can someone convert the code into perl ?
x=(a b c)
y=(d e)
times=$((${#x} * ${#y}))
((xi=yi=0))
for((i=1;i<=times;i++,xi++,yi++))
do
if((xi>${#x}-1));then xi=0;fi
if((yi>${#y}-1));then yi=0;fi
print ${x},${y}
done (4 Replies)
Discussion started by: giri_luck
4 Replies
LEARN ABOUT DEBIAN
update-java-alternatives
UPDATE-JAVA-ALTERNATIVES(8) System Manager's Manual UPDATE-JAVA-ALTERNATIVES(8)
NAME
update-java-alternatives - update alternatives for jre/sdk installations
SYNOPSIS
update-java-alternatives [--jre] [--plugin] [-t|--test|-v|--verbose]
-l|--list [<jname>]
-s|--set <jname>
-a|--auto
-h|-?|--help
DESCRIPTION
update-java-alternatives updates all alternatives belonging to one runtime or development kit for the Java language. A package does pro-
vide these information of it's alternatives in /usr/lib/jvm/.<jname>.jinfo.
OPTIONS
-l|--list [<jname>]
List all installed packages (or just <jname>) providing information to set a bunch of java alternatives. Verbose output shows each
alternative provided by the packages.
-a|--auto
Switch all alternatives of registered jre/sdk installations to automatic mode.
-s|--set <jname>
Set all alternatives of the registered jre/sdk installation to the program path provided by the <jname> installation.
--jre Limit the actions to alternatives belong to a runtime environment, not a development kit.
--jre-headless
Limit the actions to alternatives belong to the headless part of a runtime environment.
--plugin
Limit the actions to alternatives providing browser plugins.
-h|--help
Display a help message.
-t|--test
Don't actually do anything, just say what would be done. The implementation status of this option is the same as for update-alter-
natives (not implemented).
-v|--verbose
Verbose output.
FILES
/usr/lib/jvm/.*.jinfo
A text file describing a jre/sdk installation. Consists of some variables of the form <var>=<value> and a list of alternatives of
the form jre|jdk <name> <path>.
AUTHOR
update-java-alternatives and this manual page was written by Matthias Klose <doko@ubuntu.com>.
May 2006 UPDATE-JAVA-ALTERNATIVES(8)