diff options
Diffstat (limited to 'bin/sh')
| -rw-r--r-- | bin/sh/expand.c | 11 | ||||
| -rw-r--r-- | bin/sh/sh.1 | 1 |
2 files changed, 11 insertions, 1 deletions
diff --git a/bin/sh/expand.c b/bin/sh/expand.c index f6a0a09..46214b9 100644 --- a/bin/sh/expand.c +++ b/bin/sh/expand.c @@ -657,6 +657,17 @@ again: /* jump here after setting a variable with ${var=text} */ } varlen = 0; startloc = expdest - stackblock(); + if (!set && uflag) { + switch (subtype) { + case VSNORMAL: + case VSTRIMLEFT: + case VSTRIMLEFTMAX: + case VSTRIMRIGHT: + case VSTRIMRIGHTMAX: + case VSLENGTH: + error("%.*s: parameter not set", p - var - 1, var); + } + } if (set && subtype != VSPLUS) { /* insert the value of the variable */ if (special) { diff --git a/bin/sh/sh.1 b/bin/sh/sh.1 index e9f5f08..54e4465 100644 --- a/bin/sh/sh.1 +++ b/bin/sh/sh.1 @@ -264,7 +264,6 @@ sh -T -c "trap 'exit 1' 2 ; some-blocking-program" Write a message to standard error when attempting to expand a variable that is not set, and if the shell is not interactive, exit immediately. -(UNIMPLEMENTED) .It Fl V Li vi Enable the builtin .Xr vi 1 |
