diff options
Diffstat (limited to 'rc.1')
| -rw-r--r-- | rc.1 | 56 |
1 files changed, 45 insertions, 11 deletions
@@ -161,7 +161,7 @@ .if !"\\$4"" .Xf \\$2 \\$1 "\\$3\\f\\$1\\$4\\*(Xi" "\\$5" "\\$6" "\\$7" "\\$8" "\\$9" .if "\\$4"" \\$3\fR\s10 .. -.TH RC 1 "1999-05-28" +.TH RC 1 "1999-11-11" .SH NAME rc \- shell .SH SYNOPSIS @@ -306,11 +306,6 @@ to read from standard input. Any arguments are placed in .Cr $* . .TP -.Cr \-V -This flag causes -.I rc -to print a version string to standard output, and exit immediately. -.TP .Cr \-v This flag causes .I rc @@ -1195,7 +1190,9 @@ as its value. .SH "SPECIAL VARIABLES" Several variables are known to .I rc -and are treated specially. +and are treated specially. In the following list, +``(read only)'' indicates that an attempt to set the +variable will silently have no effect. .TP .Cr * The argument list of @@ -1225,7 +1222,7 @@ command. .Cr apid The process ID of the last process started in the background. .TP -.Cr apids +.Cr apids " (read only)" The process IDs of any background processes which are outstanding or which have died and have not been waited for yet. .TP @@ -1357,7 +1354,7 @@ If this function is set, then it gets executed every time is about to print .Cr "$prompt(1)" . .TP -.Cr status +.Cr status " (read only)" The exit status of the last command. If the command exited with a numeric value, that number is the status. @@ -1380,6 +1377,11 @@ usually sets .Cr $status to .Cr "(0 0)" . +.TP +.Cr version " (read only)" +This variable contains a string which identifies this +version of +.IR rc . .PP The values of .Cr "$path" , @@ -1950,6 +1952,25 @@ processes. .PP List definitions in exported functions are "noisier" than they need to be. .PP +If both +.Cr $PATH +and +.Cr $path +are set, +.I rc +believes the former. Arguably this is a bug: +.I rc +can quite happily deal with path elements that contain +.Cr : , +but such elements will be split at the colon in descendant +.I rc +processes. +.PP +The +.Cr . +command should search +.Cr $path . +.PP Bug reports should be mailed to .Cr "<tjg@star.le.ac.uk>" . .SH INCOMPATIBILITIES @@ -1957,7 +1978,7 @@ Here is a list of features which distinguish this incarnation of .I rc from the one described in the Bell Labs manual pages: .PP -The v10 +The Tenth Edition .I rc does not have the .B else @@ -1971,12 +1992,25 @@ if the preceding .B if test does not succeed. .PP -Backquotes are slightly different in v10 +Backquotes are slightly different in Tenth Edition .IR rc : a backquote must always be followed by a left-brace. This restriction is not present for single-word commands in this .IR rc . .PP +For +.Cr . +.IR file , +the Tenth Edition +.IR rc +searches +.Cr $path +for +.IR file . +This +.I rc +does not; this is a bug. +.PP The list flattening operator, .Cr $^foo , is spelt |