diff options
Diffstat (limited to 'perl-install/common.pm')
| -rw-r--r-- | perl-install/common.pm | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/perl-install/common.pm b/perl-install/common.pm index 8d6bf4307..f2d458a26 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 $bitof_int %EXPORT_TAGS = ( common => [ qw(__ even odd min max sqr sum sign product bool listlength bool2text text2bool to_int to_float ikeys member divide is_empty_array_ref is_empty_hash_ref add2hash add2hash_ set_new set_add round round_up round_down first second top uniq translate untranslate warp_text formatAlaTeX) ], functional => [ qw(fold_left compose map_index grep_index map_each grep_each map_tab_hash mapn mapn_ difference2 before_leaving catch_cdie cdie) ], - file => [ qw(dirname basename touch all glob_ cat_ chop_ mode) ], + file => [ qw(dirname basename touch all glob_ cat_ chop_ mode typeFromMagic) ], system => [ qw(sync makedev unmakedev psizeof strcpy gettimeofday syscall_ crypt_ getVarsFromSh setVarsInSh) ], constant => [ qw($printable_chars $sizeof_int $bitof_int $SECTORSIZE) ], ); @@ -354,6 +354,20 @@ sub bestMatchSentence2 { $bestSentence; } +sub typeFromMagic($@) { + my $f = shift; + local *F; sysopen F, $f, 0 or return; + + my $tmp; + foreach (@_) { + my ($name, $offset, $signature) = @$_; + sysseek(F, $offset, 0) or next; + sysread(F, $tmp, length $signature); + $tmp eq $signature and return $name; + } + undef; +} + #-###################################################################################### #- Wonderful perl :( |