Mercurial > octave
view build-aux/inplace_edit.pl @ 31555:9d0d37acafbe stable
delete m_evaluator after m_output_system (bug #63416)
* interpreter.h, interpreter.cc (class interpreter): Move m_evaluator
ahead of m_output_system in list of data members so that the
tree_evaluator object will still be valid when the output_system
object is deleted.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Sat, 26 Nov 2022 17:05:21 -0500 |
parents | 8b548f2f8086 |
children |
line wrap: on
line source
#!/usr/bin/perl -w ################################################################################ ## File: inplace_edit.pl ## Usage: perl inplace_edit.pl 'PERL_CODE' file1 [file2] [...] ## Purpose: Run snippet of PERL_CODE on each line in a file and replace ## existing line with the results of running the code. ## This replaces perl -i -pe 'PERL_CODE' file1 [file2] ... ## due to a problem in Perl 5.28 which restricts the number of files ################################################################################ ## Create Perl code from first argument (-e CODE) eval "sub per_line_code { $ARGV[0]; }"; shift @ARGV; ## Loop over each file foreach $fname (@ARGV) { rename ($fname, "$fname.$$") or die "Rename failed:$fname:$!"; open (my $FHI, "<", "$fname.$$") or die "Open failed:$fname.$$:$!"; open (my $FHO, ">", "$fname") or die "Open failed:$fname:$!"; ## Loop over each line while (<$FHI>) { per_line_code (); print $FHO $_; } close ($FHI); close ($FHO); unlink "$fname.$$" or die "Delete failed:$fname.$$:$!"; }