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Full Discussion: Line works in solo but not in program?
Top Forums Shell Programming and Scripting Line works in solo but not in program? Post 302085843 by nortypig on Sunday 20th of August 2006 09:44:11 PM
Old 08-20-2006
Line works in solo but not in program?
Now I am just getting frustrated and confused... if anyone has some advice on how this anomoly is occurring I would greatly appreciate it.

Code:
cat helpme.txt | awk 'NR<5{printf("%-20s %-20d %-20d %-20.1f\n","hello",$1,$2,$3)}' | sort -rk4

This line works fine in solo - reads the three fields from helpme.txt and adds a first field "hello" before the others on output... seems simple enough and it works fine on its own on the command line.

In a small program it doesn't work...

Code:
#!/bin/sh

echo "Please enter the file you want compressed: \c"; read filename 

echo File: $filename

# check to see file exists and is readable with -r
if [ -r $filename ]
then

echo gzip | gzip -f $filename; gunzip -l $filename.gz > $filename.txt; gunzip $filename
gzip -f rose.bmp; gunzip -l rose.bmp.gz >> $filename.txt; gunzip rose.bmp.gz

cat helpme.txt | awk 'NR<5{printf("%-20s %-20d %-20d %-20.1f\n","hello",$1,$2,$3)}' | sort -rk4

else

echo sorry the file does not exist or is not readable

fi

So at this point I am thinking magic?

And yes with only the three fields in the short program it does work fine.
 

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LEARN ABOUT OPENDARWIN

save_bitmap

save_bitmap(3alleg4)						  Allegro manual					      save_bitmap(3alleg4)

NAME

       save_bitmap - Saves a bitmap into any supported file format. Allegro game programming library.

SYNOPSIS

       #include <allegro.h>

       int save_bitmap(const char *filename, BITMAP *bmp, const RGB *pal);

DESCRIPTION

       Writes  a  bitmap into a file, using the specified palette, which should be an array of 256 RGB structures. The output format is determined
       from the filename extension: at present this function supports BMP, PCX and TGA formats.

       Two things to watch out for: on some video cards it may be faster to copy the screen to a memory bitmap and save the latter, and if you use
       this to dump the screen into a file you may end up with an image much larger than you were expecting, because Allegro often creates virtual
       screens larger than the visible screen. You can get around this by using a sub-bitmap to specify which part of the screen to save, eg:

	  BITMAP *bmp;
	  PALETTE pal;
	  ...
	  get_palette(pal);
	  bmp = create_sub_bitmap(screen, 0, 0, SCREEN_W, SCREEN_H);
	  save_bitmap("dump.pcx", bmp, pal);
	  destroy_bitmap(bmp);

RETURN VALUE

       Returns non-zero on error.

SEE ALSO

       save_bmp(3alleg4), save_pcx(3alleg4), save_tga(3alleg4), load_bitmap(3alleg4), register_bitmap_file_type(3alleg4)

Allegro 							   version 4.4.2					      save_bitmap(3alleg4)
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