diff options
-rw-r--r-- | usr.bin/join/join.1 | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/usr.bin/join/join.1 b/usr.bin/join/join.1 index 344613f..9e9bfb7 100644 --- a/usr.bin/join/join.1 +++ b/usr.bin/join/join.1 @@ -59,9 +59,13 @@ .Sh DESCRIPTION The .Nm -utility performs an ``equality join'' on the specified files +utility performs an +.Dq equality join +on the specified files and writes the result to the standard output. -The ``join field'' is the field in each file by which the files are compared. +The +.Dq join field +is the field in each file by which the files are compared. The first field in each line is used by default. There is one line in the output for each pair of lines in .Ar file1 @@ -109,7 +113,9 @@ where is a file number and .Ar field is a field number. -The elements of list must be either comma (``,'') or whitespace separated. +The elements of list must be either comma +.Pf ( Dq , Ns ) +or whitespace separated. (The latter requires quoting to protect it from the shell, or, a simpler approach is to use multiple .Fl o @@ -160,7 +166,9 @@ If one of the arguments .Ar file1 or .Ar file2 -is ``-'', the standard input is used. +is +.Dq - , +the standard input is used. .Sh DIAGNOSTICS The .Nm |