06-26-2006
How to check a string in the variable
hi,
I have a variable var1 as follows in the script.
var1="one two three desformat=PDF xyz"
I would like to check whether $var1 has a string "desformat=PDF" or not.
Is there any command I can use (not need to creat a file)?
Currently, I am using this:
if ( grep "desformat=PDF" $chkpdf 1>/dev/null )
then --$chkpdf is a file contains the string a parameter
Thanks.
Cheers,
Joseph
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LEARN ABOUT DEBIAN
pdf::api2::basic::pdf::filter
PDF::API2::Basic::PDF::Filter(3pm) User Contributed Perl Documentation PDF::API2::Basic::PDF::Filter(3pm)
NAME
PDF::API2::Basic::PDF::Filter - Abstract superclass for PDF stream filters
SYNOPSIS
$f = PDF::API2::Basic::PDF::Filter->new;
$str = $f->outfilt($str, 1);
print OUTFILE $str;
while (read(INFILE, $dat, 4096))
{ $store .= $f->infilt($dat, 0); }
$store .= $f->infilt("", 1);
DESCRIPTION
A Filter object contains state information for the process of outputting and inputting data through the filter. The precise state
information stored is up to the particular filter and may range from nothing to whole objects created and destroyed.
Each filter stores different state information for input and output and thus may handle one input filtering process and one output
filtering process at the same time.
METHODS
PDF::API2::Basic::PDF::Filter->new
Creates a new filter object with empty state information ready for processing data both input and output.
$dat = $f->infilt($str, $isend)
Filters from output to input the data. Notice that $isend == 0 implies that there is more data to come and so following it $f may contain
state information (usually due to the break-off point of $str not being tidy). Subsequent calls will incorporate this stored state
information.
$isend == 1 implies that there is no more data to follow. The final state of $f will be that the state information is empty. Error messages
are most likely to occur here since if there is required state information to be stored following this data, then that would imply an error
in the data.
$str = $f->outfilt($dat, $isend)
Filter stored data ready for output. Parallels "infilt".
NAME
PDF::API2::Basic::PDF::ASCII85Decode - Ascii85 filter for PDF streams. Inherits from PDF::API2::Basic::PDF::Filter
NAME
PDF::API2::Basic::PDF::RunLengthDecode - Run Length encoding filter for PDF streams. Inherits from PDF::API2::Basic::PDF::Filter
NAME
PDF::API2::Basic::PDF::ASCIIHexDecode - Ascii Hex encoding (very inefficient) for PDF streams. Inherits from PDF::API2::Basic::PDF::Filter
perl v5.14.2 2011-03-10 PDF::API2::Basic::PDF::Filter(3pm)