Difference between revisions of "Open perl"
From Teknologisk videncenter
m (→Getting STDOUT from commands) |
m (→Getting STDOUT from commands) |
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| Line 2: | Line 2: | ||
== Getting STDOUT from commands == | == Getting STDOUT from commands == | ||
=== Metode 1 === | === Metode 1 === | ||
| + | Læser linierne ind en efter en som de behandles | ||
<source lang=perl> | <source lang=perl> | ||
#!/usr/bin/env perl | #!/usr/bin/env perl | ||
| Line 14: | Line 15: | ||
</source> | </source> | ||
=== Metode 2 === | === Metode 2 === | ||
| + | Henter alle linier før de behandles | ||
<source lang=perl> | <source lang=perl> | ||
#!/usr/bin/perl | #!/usr/bin/perl | ||
Latest revision as of 05:37, 21 November 2009
Contents
Piping from Perl to system commands
Getting STDOUT from commands
Metode 1
Læser linierne ind en efter en som de behandles
#!/usr/bin/env perl
print "Jeg er et perl program\n";
open FH,"ls -l|";
foreach my $i (<FH>) {
print "Har modtaget linien: $i";
}
Metode 2
Henter alle linier før de behandles
#!/usr/bin/perl
my @files = `ls -l`;
for my $i (@files) {
print "Der er $i\n";
}