Parsing a text file

[silverfish]

Newbie here. I would like to search through a text file and extract a
word from a sentence. For example,

" I have 10 apples"
" I have 20 apples"

How can I extract the 10 and 20 from the sentence? The rest of the
words in the sentence is always fixed.

thanks for any help!

 

[Anno Siegel]

Newbie here. I would like to search through a text file and extract a
word from a sentence. For example,

" I have 10 apples"
" I have 20 apples"

How can I extract the 10 and 20 from the sentence? The rest of the
words in the sentence is always fixed.

my ( $extract) = /^I have (.*) apples$/;

Anno

 

[A. Sinan Unur]

Newbie here. I would like to search through a text file and extract a
word from a sentence. For example,

" I have 10 apples"
" I have 20 apples"

How can I extract the 10 and 20 from the sentence? The rest of the
words in the sentence is always fixed.

What have you tried so far?

Have you read the posting guidelines for this group?

Sinan

 

[A. Sinan Unur]

(e-mail address removed)-berlin.de (Anno Siegel) wrote in @mamenchi.zrz.TU-Berlin.DE:

my ( $extract) = /^I have (.*) apples$/;

According to the OP, the first character is a space.

Sinan

 

[Anno Siegel]

(e-mail address removed)-berlin.de (Anno Siegel) wrote in @mamenchi.zrz.TU-Berlin.DE:


According to the OP, the first character is a space.

Oh yes, right.

my ( $extract) = /^ I have (.*) apples$/;

Anno

 

[Xicheng]

Newbie here. I would like to search through a text file and extract a
word from a sentence. For example,

" I have 10 apples"
" I have 20 apples"

How can I extract the 10 and 20 from the sentence? The rest of the
words in the sentence is always fixed.

If you want to grab all these numbers, use an array, say:

my @extracts = m{" I have (\d+) apples"}g;
print "@extracts\n";

to extract all such numbers in your file:
perl -ln0777e '@e=/" I have (\d+) apples"/g;print "@e"' mydata

Xicheng