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Updating a field in a File without creating temp file's
Post 302320623 by prabhutkl on Thursday 28th of May 2009 12:27:18 PM
05-28-2009
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Hello I am trying to append an incrimenting number to the end of each line I have it working with a temp file. But I want to do this without a temp file.
a=1
cat "file" | while read LINE
do
echo "$LINE, $a" >> filewithnumbers
a=`expr $a + 1`
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Hi -
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LEARN ABOUT DEBIAN
imager::largesamples
Imager::LargeSamples(3pm) User Contributed Perl Documentation Imager::LargeSamples(3pm) NAME
Imager::LargeSamples - track/document large sample support SYNOPSIS
# make a large sample image my $im = Imager->new(..., bits => 16); # call some method my $result = $im->$method(...); # was the image modified at its full sample size DESCRIPTION
Imager has had in-memory support for large samples for years now, but many methods still don't work at the higher sample size when supplied with a large sample image. This document will track which methods support large samples and which don't, for future improvements. Support by method Method Support Notes ------ ------- ----- arc Partial [1] box Partial [2] circle Partial [1] convert Full copy Full crop Full difference Full filter Partial Depends on the filter. flip Full flood_fill Partial [1] getpixel Full getsamples Full getscanline Full map None masked Full matrix_transform Full paste Full polygon Partial [1] polyline None read Partial See L<File format large sample support> read_multi Partial See L<File format large sample support> rotate Full rubthrough Full scale Partial Some qtypes support large samples scaleX None scaleY None setpixel Full setscanline Full string Full Preserves large samples, but most font drivers generate 8 or fewer bits of levels of coverage. transform None transform2 None write Partial See L<File format large sample support> write_multi Partial See L<File format large sample support> [1] filling an area using the fill parameter works at the full depth of the image, using filled => 1 and color works at 8-bits/sample [2] box() will fill the area at the supplied color, but outline at 8-bits/sample. File format large sample support Format Format samples Imager support ------ -------------- -------------- BMP 8 8 GIF 8 8 ICO 8 8 JPEG 8, 12 8 PBM 1 1 PGM/PPM 1-16 read any, writes 8, 16 PNG 1, 2, 4, 8, 16 8 RAW 8 SGI 8, 16 8, 16 TGA 8 8 TIFF (many) read/write 8, 16, 32 contig rgb/grey images read/write bi-level read/write 4/8 paletted images Filter larger sample support Filter Large sample support ------ -------------------- autolevels No bumpmap No bumpmap_complex No contrast No conv Yes fountain Yes gaussian Yes gradgen No hardinvert Yes mosaic No postlevels No radnoise No turbnoise No unsharpmask Yes watermark No AUTHOR
Tony Cook <tonyc@cpan.org> perl v5.14.2 2011-06-06 Imager::LargeSamples(3pm)