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| author | P. J. McDermott <pjm@nac.net> | 2013-07-12 11:05:17 (EDT) |
|---|---|---|
| committer | P. J. McDermott <pjm@nac.net> | 2013-07-12 11:05:17 (EDT) |
| commit | 7097b57fc99a358bf81c41d61c0a4aacf6b58e61 (patch) | |
| tree | 18719847d4bba199bc1723adea2a778ee8a6a01f | |
| parent | c3d3f0c1ac1ef45916b3ff7d32b39f9531f94e51 (diff) | |
print_cmd_usage(): Implement and use.
| -rw-r--r-- | lib/cmd.sh | 11 | ||||
| -rw-r--r-- | lib/cmd/help.sh | 6 |
2 files changed, 16 insertions, 1 deletions
@@ -71,6 +71,17 @@ print_cmd_summaries() done } +print_cmd_usage() +{ + local cmd usage + + cmd="${1}" + + usage="$(eval printf \'%s\' \"\$\{cmd_"${cmd}"_usage\}\")" + + printf 'Usage: %s %s %s\n' "${0}" "${cmd}" "${usage}" +} + is_cmd() { local cmd diff --git a/lib/cmd/help.sh b/lib/cmd/help.sh index 129cb14..39de93f 100644 --- a/lib/cmd/help.sh +++ b/lib/cmd/help.sh @@ -22,8 +22,12 @@ cmd_usage '[<command>]' cmd_help_main() { + local cmd + if [ ${#} -eq 1 ]; then - if is_cmd "${1}"; then + cmd="${1}" + if is_cmd "${cmd}"; then + print_cmd_usage "${cmd}" return 0 fi fi |