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| author | Paul Eggert <eggert@cs.ucla.edu> | 2004-09-07 05:09:24 +0000 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2004-09-07 05:09:24 +0000 |
| commit | 0cd2d8a70e528c6f4dc4f6650e819a7d5a3d177d (patch) | |
| tree | 1c051658177c9893936013405991f0a77d54149d /src/sort.c | |
| parent | 47b9873ada574d0233954826247fd54653cfbd26 (diff) | |
| download | coreutils-0cd2d8a70e528c6f4dc4f6650e819a7d5a3d177d.tar.xz | |
(main): Emulate Solaris 8 and 9 "sort -y", so that
"sort -y abc" is like "sort abc" whereas "sort -y 100" is like
plain "sort".
Diffstat (limited to 'src/sort.c')
| -rw-r--r-- | src/sort.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/src/sort.c b/src/sort.c index 014beb7c5..a9cf0c191 100644 --- a/src/sort.c +++ b/src/sort.c @@ -2472,9 +2472,23 @@ main (int argc, char **argv) break; case 'y': - /* Accept and ignore e.g. -y0 for compatibility with Solaris - 2.x through Solaris 7. -y is marked as obsolete starting - with Solaris 8. */ + /* Accept and ignore e.g. -y0 for compatibility with Solaris 2.x + through Solaris 7. It is also accepted by many non-Solaris + "sort" implementations, e.g., AIX 5.2, HP-UX 11i v2, IRIX 6.5. + -y is marked as obsolete starting with Solaris 8 (1999), but is + still accepted as of Solaris 10 prerelease (2004). + + Solaris 2.5.1 "sort -y 100" reads the input file "100", but + emulate Solaris 8 and 9 "sort -y 100" which ignores the "100", + and which in general ignores the argument after "-y" if it + consists entirely of digits (it can even be empty). */ + if (!optarg && optind != argc) + { + char const *p; + for (p = argv[optind]; ISDIGIT (*p); p++) + continue; + optind += !*p; + } break; case 'z': |