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Diffstat (limited to 'doc/unset.n')
| -rw-r--r-- | doc/unset.n | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/doc/unset.n b/doc/unset.n index 29d7e7c..b86407a 100644 --- a/doc/unset.n +++ b/doc/unset.n @@ -30,14 +30,16 @@ errors are suppressed. The option may not be abbreviated, in order to disambiguate it from possible variable names. The option \fI\-\-\fR indicates the end of the options, and should be used if you wish to remove a variable with the same name as any of the options. -If an error occurs, any variables after the named one causing the error -are not +If an error occurs during variable deletion, any variables after the named one +causing the error are not deleted. An error can occur when the named variable does not exist, or the name refers to an array element but the variable is a scalar, or the name refers to a variable in a non-existent namespace. .SH EXAMPLE +.PP Create an array containing a mapping from some numbers to their squares and remove the array elements for non-prime numbers: +.PP .CS array set squares { 1 1 6 36 @@ -60,3 +62,7 @@ parray squares set(n), trace(n), upvar(n) .SH KEYWORDS remove, variable +'\" Local Variables: +'\" mode: nroff +'\" fill-column: 78 +'\" End: |