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Full Discussion: broken pipe?
Top Forums UNIX for Dummies Questions & Answers broken pipe? Post 21138 by gusla on Sunday 12th of May 2002 12:36:35 AM
Old 05-12-2002
Question i wanted to pipe to perl!

thks Freelive.

my initial purpose is wanted to pipe the files to a perl program.

see, say my perl program is getfile.pl (taking file names as argumemnts)
Code:
# getfile.pl
#!/usr/bin/perl -w
 while ($ARGV = shift)
 {
        print "\nprocessing $ARGV...";
        if (-d $ARGV)
        {
           print "\n$ARGV is a DIR\n";
         }
 }

if i use:
> getfile.pl f1 f2 dir1 dir2
to execute the perl file, it's working.

However, if i use:
> ls | getfile.pl OR >find * | getfile.pl
it's not working. It wouldn't recoglise the input argument (@ARGV is empty)

also
>getfile.pl < f1 f2 dir1 dir2

it only recognise f2, dir1, dir2. The first argument f1 is missing. (ie. @ARGV only contains f2, dir1 and dir2)


WHY?

appreciate as usual

Gusla
Smilie

added code tags for readability --oombera

Last edited by oombera; 02-18-2004 at 12:41 PM..
 

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XkbKeySymEntry(3)						   XKB FUNCTIONS						 XkbKeySymEntry(3)

NAME
XkbKeySymEntry - Returns the keysym corresponding to shift level shift and group grp from the two-dimensional array of keysyms for the key corresponding to keycode SYNOPSIS
KeySym XkbKeySymEntry macro ( xkb, keycode, shift, grp ) XkbDescPtr xkb; KeyCode keycode; int shift; int grp; ARGUMENTS
- xkb Xkb description of interest - keycode keycode of interest - shift shift level of interest - grp group of interest DESCRIPTION
The key width and number of groups associated with a key are used to form a small two-dimensional array of KeySyms for a key. This array may be different sizes for different keys. The array for a single key is stored as a linear list, in row-major order. The arrays for all of the keys are stored in the syms field of the client map. There is one row for each group associated with a key and one column for each level. The index corresponding to a given group and shift level is computed as: idx = group_index * key_width + shift_level The offset field of the key_sym_map entry for a key is used to access the beginning of the array. XkbKeySymEntry returns the keysym corresponding to shift level shift and group grp from the two-dimensional array of keysyms for the key corresponding to keycode. X Version 11 libX11 1.2.1 XkbKeySymEntry(3)
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