look: use WORDLIST environment variable to find word list

The WORDLIST is the same hunspell(1) and ispell(1) uses to achieve the same.
Apparently aspell(1) does not work with files like traditional dict lists.

Reference: https://github.com/hunspell/hunspell/blob/master/man/hunspell.1#L388
Reference: http://www.skrenta.com/rt/man/ispell.1.html
Reference: http://aspell.net/man-html/Creating-an-Individual-Word-List.html#Creating-an-Individual-Word-List
Signed-off-by: Sami Kerola <kerolasa@iki.fi>

diff --git a/misc-utils/look.1 b/misc-utils/look.1
index 503e3858417f56c9b77f05b39c66ccb5aa4d2073..cca83416ece16adf2919842ae39db5f888dcd298 100644 (file)
--- a/misc-utils/look.1
+++ b/misc-utils/look.1
@@ -101,6 +101,11 @@ sort -d /etc/passwd -o /tmp/look.dict
 look -t: root:foobar /tmp/look.dict
 .nf
 .RE
+.SH ENVIRONMENT
+.TP
+.B WORDLIST
+Path to a dictionary file.  The environment variable has greater priority
+than the dictionary path defined in FILES segment.
 .SH FILES
 .IP "\fB/usr/share/dict/words\fR" 4
 the dictionary

diff --git a/misc-utils/look.c b/misc-utils/look.c
index 60fbbbfca1a7fd1445a7fc63fb086a6e29bff885..d2699bfdd695c2dc963c23601f08a94e7a62c226 100644 (file)
--- a/misc-utils/look.c
+++ b/misc-utils/look.c
@@ -104,7 +104,11 @@ main(int argc, char *argv[])
 
        setlocale(LC_ALL, "");
 
-       file = _PATH_WORDS;
+       if ((file = getenv("WORDLIST")) && !access(file, R_OK))
+               /* use the WORDLIST */;
+       else
+               file = _PATH_WORDS;
+
        termchar = '\0';
        string = NULL;          /* just for gcc */