Hello!
I want to evaluate some mathematical expressions in a script and I try to use 'expr' command.
Unfortunatally, when I have, for example,
expr 8.2 + 6
the result is 'expr: non-numeric argument'
Why ?
I work on SunOs 5.7.
Thanks in advance
Nathe (5 Replies)
i am new to shell programming, currently using redhat linux of version
2.4.20-8.
i have problem in executing expr command in the following shell script
$ x=5
$ x='expr $x + 1'
$ echo $x
the output is displaying always
expr $x + 1
Pls guide me for the above query (3 Replies)
What is the difference between test expr VS .
For example :
if test 5 -eq 6
echo "Wrong"
and
if
echo "Wrong"
bot will give the same output as Wrong.
Now, what is the difference between these two? though they are producing the same result why we need two?
Any answer will be... (2 Replies)
I'm trying to check if a variable'd string is only one character and use that in an if statement the only way I could find is:
$expr "${var}" : . # expr STRING : regrep
where the "." is the grep wildcard for any single character.
Whats wrong with my code here and is there a... (3 Replies)
Hey there
i want to subtract the content from $b from $a. Each variable has got 18 values (normal numbers from 0 - 99).
How can i subtract them? I know i have to use the expr command, this is what i have till now:
a=`cat Tabelle.dat | awk {'print $4'} | awk -F: {'print $1'}`
b=`cat... (1 Reply)
Hi All,
I'm writing a shell script in KSH, where I want to store the filename, total record count and actual record count of all the source files. The source files reside in 4 different sub-folders under the same root folder.
Below is code:
#!/usr/bin/ksh... (6 Replies)
HI there
I am trying to understand Shell scripting to create my own, I am attempting a few examples can anyone tell me what this means?n=$( expr $n + 1)Tried looking on the internet, but just cannot find its anywhere :( .Help please (4 Replies)
Discussion started by: steve2015
4 Replies
LEARN ABOUT DEBIAN
gtk2::pagesetup
Gtk2::PageSetup(3pm) User Contributed Perl Documentation Gtk2::PageSetup(3pm)NAME
Gtk2::PageSetup - wrapper for GtkPageSetup
HIERARCHY
Glib::Object
+----Gtk2::PageSetup
METHODS
pagesetup = Gtk2::PageSetup->new
pagesetup = Gtk2::PageSetup->new_from_file ($file_name)
o $file_name (localized file name)
May croak with a Glib::Error in $@ on failure.
Since: gtk+ 2.12
pagesetup = Gtk2::PageSetup->new_from_key_file ($key_file, $group_name)
o $key_file (Glib::KeyFile)
o $group_name (string or undef)
May croak with a Glib::Error in $@ on failure.
Since: gtk+ 2.12
double = $setup->get_bottom_margin ($unit)
o $unit (Gtk2::Unit)
$setup->set_bottom_margin ($margin, $unit)
o $margin (double)
o $unit (Gtk2::Unit)
double = $setup->get_left_margin ($unit)
o $unit (Gtk2::Unit)
$setup->set_left_margin ($margin, $unit)
o $margin (double)
o $unit (Gtk2::Unit)
$setup->load_file ($file_name)
o $file_name (string)
May croak with a Glib::Error in $@ on failure.
Since: gtk+ 2.14
$setup->load_key_file ($key_file, $group_name)
o $key_file (Glib::KeyFile)
o $group_name (string or undef)
May croak with a Glib::Error in $@ on failure.
Since: gtk+ 2.14
pageorientation = $setup->get_orientation
$setup->set_orientation ($orientation)
o $orientation (Gtk2::PageOrientation)
double = $setup->get_page_height ($unit)
o $unit (Gtk2::Unit)
double = $setup->get_page_width ($unit)
o $unit (Gtk2::Unit)
double = $setup->get_paper_height ($unit)
o $unit (Gtk2::Unit)
$setup->set_paper_size_and_default_margins ($size)
o $size (Gtk2::PaperSize)
papersize = $setup->get_paper_size
$setup->set_paper_size ($size)
o $size (Gtk2::PaperSize)
double = $setup->get_paper_width ($unit)
o $unit (Gtk2::Unit)
double = $setup->get_right_margin ($unit)
o $unit (Gtk2::Unit)
$setup->set_right_margin ($margin, $unit)
o $margin (double)
o $unit (Gtk2::Unit)
$setup->to_file ($file_name)
o $file_name (localized file name)
May croak with a Glib::Error in $@ on failure.
Since: gtk+ 2.12
$setup->to_key_file ($key_file, $group_name)
o $key_file (Glib::KeyFile)
o $group_name (string or undef)
Since: gtk+ 2.12
double = $setup->get_top_margin ($unit)
o $unit (Gtk2::Unit)
$setup->set_top_margin ($margin, $unit)
o $margin (double)
o $unit (Gtk2::Unit)
ENUMS AND FLAGS
enum Gtk2::PageOrientation
o 'portrait' / 'GTK_PAGE_ORIENTATION_PORTRAIT'
o 'landscape' / 'GTK_PAGE_ORIENTATION_LANDSCAPE'
o 'reverse-portrait' / 'GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT'
o 'reverse-landscape' / 'GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE'
enum Gtk2::Unit
o 'pixel' / 'GTK_UNIT_PIXEL'
o 'points' / 'GTK_UNIT_POINTS'
o 'inch' / 'GTK_UNIT_INCH'
o 'mm' / 'GTK_UNIT_MM'
SEE ALSO
Gtk2, Glib::Object
COPYRIGHT
Copyright (C) 2003-2011 by the gtk2-perl team.
This software is licensed under the LGPL. See Gtk2 for a full notice.
perl v5.14.2 2012-05-27 Gtk2::PageSetup(3pm)