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env: Hide '.' variables in env print by default

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When printing all variables with env print, don't print variables that
begin with '.'.  If env print is called with a '-a' switch, then
include variables that begin with '.' (just like the ls command).

Variables printed explicitly will be printed even without the -a.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
This commit is contained in:
Joe Hershberger 2012-12-11 22:16:23 -06:00 • committed by Tom Rini
parent ec8a252cd4
commit be11235ab8
13 changed files with 37 additions and 25 deletions
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5
lib/hashtable.c
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@ -522,7 +522,7 @@ static int cmpkey(const void *p1, const void *p2)
return (strcmp(e1->key, e2->key));
}
ssize_t hexport_r(struct hsearch_data *htab, const char sep,
ssize_t hexport_r(struct hsearch_data *htab, const char sep, int flag,
char **resp, size_t size,
int argc, char * const argv[])
{
@ -559,6 +559,9 @@ ssize_t hexport_r(struct hsearch_data *htab, const char sep,
if ((argc > 0) && (found == 0))
continue;
if ((flag & H_HIDE_DOT) && ep->key[0] == '.')
continue;
list[n++] = ep;
totlen += strlen(ep->key) + 2;