How can I use the shell's process substitution in Perl's system()?

Question

Why does this line of Perl break?

system("paste <\( cut -f2 $file \) $file2 > $fileout");

What's the correct way to do it?

score 5 · Accepted Answer · edited May 23 '17 at 12:19

5

This is generally caused because Perl is using sh instead of bash to execute the system command. The quick answer is to include bash -c at the start of your command. A better answer is here:

How can I use bash syntax in Perl's system()?

edited May 23 '17 at 12:19

Community

1
1

answered Aug 14 '09 at 07:59

brianegge

28,163
13
72
98

How can I use the shell's process substitution in Perl's system()?

1 Answers1