no_comment

1 files changed, 2 insertions, 1 deletions

diff --git a/perl-install/common.pm b/perl-install/common.pm
index 9dc3e3c6a..2c9121e6e 100644
--- a/perl-install/common.pm
+++ b/perl-install/common.pm
@@ -8,7 +8,7 @@ use vars qw(@ISA %EXPORT_TAGS @EXPORT_OK $printable_chars $sizeof_int $bitof_int
 %EXPORT_TAGS = (
     common     => [ qw(__ even odd min max sqr sum sign product bool listlength bool2text text2bool to_int to_float ikeys member divide is_empty_array_ref is_empty_hash_ref add2hash add2hash_ set_new set_add round round_up round_down first second top uniq translate untranslate warp_text formatAlaTeX) ],
     functional => [ qw(fold_left compose map_index grep_index map_each grep_each map_tab_hash mapn mapn_ difference2 before_leaving catch_cdie cdie) ],
-    file       => [ qw(dirname basename touch all glob_ cat_ chop_ mode typeFromMagic) ],
+    file       => [ qw(dirname basename touch all glob_ cat_ symlinkf chop_ mode typeFromMagic) ],
     system     => [ qw(sync makedev unmakedev psizeof strcpy gettimeofday syscall_ crypt_ getVarsFromSh setVarsInSh) ],
     constant   => [ qw($printable_chars $sizeof_int $bitof_int $SECTORSIZE) ],
 );
@@ -63,6 +63,7 @@ sub bool2text { $_[0] ? "true" : "false" }
 sub text2bool { my $t = lc($_[0]); $t eq "true" || $t eq "yes" ? 1 : 0 }
 sub strcpy { substr($_[0], $_[2] || 0, length $_[1]) = $_[1] }
 sub cat_ { local *F; open F, $_[0] or $_[1] ? die "cat of file $_[0] failed: $!\n" : return; my @l = <F>; wantarray ? @l : join '', @l }
+sub symlinkf { unlink $_[1]; symlink $_[0], $_[1] }
 sub chop_ { map { my $l = $_; chomp $l; $l } @_ }
 sub divide { my $d = int $_[0] / $_[1]; wantarray ? ($d, $_[0] % $_[1]) : $d }
 sub round { int ($_[0] + 0.5) }