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Shell Programming and Scripting
Perl Script
Post 302367201 by bataf on Sunday 1st of November 2009 11:15:58 PM
11-02-2009
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1. Shell Programming and Scripting
I have a question regarding running perl in the current process.
I shall demonstrate with an example.
Look at this.
sh-2.05b$ pwd
/tmp
sh-2.05b$ cat test.sh
#! /bin/sh
cd /etc
sh-2.05b$ ./test.sh
sh-2.05b$ pwd
/tmp
sh-2.05b$ . ./test.sh
sh-2.05b$ pwd
/etc
sh-2.05b$
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3. Shell Programming and Scripting
so in unix this command works works and shows me a list of directories
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4. Shell Programming and Scripting
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5. Shell Programming and Scripting
Hi all,
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6. Shell Programming and Scripting
I am trying to run a perl script which needs input arguments from a parent perl script, but doesn't seem to work. Appreciate your help in this regard.
From parent.pl
$input1=123;
$input2=abc;
I tried calling it with
system("/usr/bin/perl child.pl $input1 $input2");
and
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Hi Folks,
I have 2 perl scripts and I need to execute 2nd perl script from the 1st perl script in WINDOWS.
In the 1st perl script that I had, I am calling the 2nd script
main.pl
===========
print "This is my main script\n";
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Hi All,
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9. Shell Programming and Scripting
Not sure what I am doing wrong here, but I can print the list with no issue. Just a blank screen with the 'do'.
#!/usr/bin/perl
open FILE, "upslist.txt";
while ($line=<FILE>){
if ($line=~/^(.*?),(.*?)$/){
#print "ups:$1 string:$2\n";
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LEARN ABOUT CENTOS
xcb_randr_get_screen_resources_crtcs_end
xcb_randr_get_screen_resources(3) XCB Requests xcb_randr_get_screen_resources(3) NAME
xcb_randr_get_screen_resources - SYNOPSIS
#include <xcb/randr.h> Request function xcb_randr_get_screen_resources_cookie_t xcb_randr_get_screen_resources(xcb_connection_t *conn, xcb_window_t window); Reply datastructure typedef struct xcb_randr_get_screen_resources_reply_t { uint8_t response_type; uint8_t pad0; uint16_t sequence; uint32_t length; xcb_timestamp_t timestamp; xcb_timestamp_t config_timestamp; uint16_t num_crtcs; uint16_t num_outputs; uint16_t num_modes; uint16_t names_len; uint8_t pad1[8]; } xcb_randr_get_screen_resources_reply_t; Reply function xcb_randr_get_screen_resources_reply_t *xcb_randr_get_screen_resources_reply(xcb_connection_t *conn, xcb_randr_get_screen_resources_cookie_t cookie, xcb_generic_error_t **e); Reply accessors xcb_randr_crtc_t *xcb_randr_get_screen_resources_crtcs(const xcb_randr_get_screen_resources_request_t *reply); int xcb_randr_get_screen_resources_crtcs_length(const xcb_randr_get_screen_resources_reply_t *reply); xcb_generic_iterator_t xcb_randr_get_screen_resources_crtcs_end(const xcb_randr_get_screen_resources_reply_t *reply); xcb_randr_output_t *xcb_randr_get_screen_resources_outputs(const xcb_randr_get_screen_resources_request_t *reply); int xcb_randr_get_screen_resources_outputs_length(const xcb_randr_get_screen_resources_reply_t *reply); xcb_generic_iterator_t xcb_randr_get_screen_resources_outputs_end(const xcb_randr_get_screen_resources_reply_t *reply); xcb_randr_mode_info_t *xcb_randr_get_screen_resources_modes(const xcb_randr_get_screen_resources_request_t *reply); int xcb_randr_get_screen_resources_modes_length(const xcb_randr_get_screen_resources_reply_t *reply); xcb_randr_mode_info_iterator_t xcb_randr_get_screen_resources_modes_iterator(const xcb_randr_get_screen_resources_reply_t *reply); uint8_t *xcb_randr_get_screen_resources_names(const xcb_randr_get_screen_resources_request_t *reply); int xcb_randr_get_screen_resources_names_length(const xcb_randr_get_screen_resources_reply_t *reply); xcb_generic_iterator_t xcb_randr_get_screen_resources_names_end(const xcb_randr_get_screen_resources_reply_t *reply); REQUEST ARGUMENTS
conn The XCB connection to X11. window TODO: NOT YET DOCUMENTED. REPLY FIELDS
response_type The type of this reply, in this case XCB_RANDR_GET_SCREEN_RESOURCES. This field is also present in the xcb_generic_reply_t and can be used to tell replies apart from each other. sequence The sequence number of the last request processed by the X11 server. length The length of the reply, in words (a word is 4 bytes). timestamp TODO: NOT YET DOCUMENTED. config_timestamp TODO: NOT YET DOCUMENTED. num_crtcs TODO: NOT YET DOCUMENTED. num_outputs TODO: NOT YET DOCUMENTED. num_modes TODO: NOT YET DOCUMENTED. names_len TODO: NOT YET DOCUMENTED. DESCRIPTION
RETURN VALUE
Returns an xcb_randr_get_screen_resources_cookie_t. Errors have to be handled when calling the reply function xcb_randr_get_screen_re- sources_reply. If you want to handle errors in the event loop instead, use xcb_randr_get_screen_resources_unchecked. See xcb-requests(3) for details. ERRORS
This request does never generate any errors. SEE ALSO
AUTHOR
Generated from randr.xml. Contact xcb@lists.freedesktop.org for corrections and improvements. XCB
2014-06-10 xcb_randr_get_screen_resources(3)