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-rw-r--r--src/ui/cli.sh24
1 files changed, 13 insertions, 11 deletions
diff --git a/src/ui/cli.sh b/src/ui/cli.sh
index 9262cc1..8bc18a1 100644
--- a/src/ui/cli.sh
+++ b/src/ui/cli.sh
@@ -15,9 +15,11 @@
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
+cli_tty=''
+
cli_init_ui()
{
- : Nothing to do.
+ cli_tty="$(tty)"
}
cli_exit_ui()
@@ -35,7 +37,7 @@ cli_dbg()
local fmt="${1}"
shift 1
- printf "Debug: ${fmt}\n" "${@}" >"$(tty)"
+ printf "Debug: ${fmt}\n" "${@}" >"${cli_tty}"
}
cli_info()
@@ -43,7 +45,7 @@ cli_info()
local fmt="${1}"
shift 1
- printf "${fmt}\n" "${@}" >"$(tty)"
+ printf "${fmt}\n" "${@}" >"${cli_tty}"
}
cli_warn()
@@ -51,7 +53,7 @@ cli_warn()
local fmt="${1}"
shift 1
- printf "Warning: ${fmt}\n" "${@}" >"$(tty)"
+ printf "Warning: ${fmt}\n" "${@}" >"${cli_tty}"
}
cli_err()
@@ -59,7 +61,7 @@ cli_err()
local fmt="${1}"
shift 1
- printf "Error: ${fmt}\n" "${@}" >"$(tty)"
+ printf "Error: ${fmt}\n" "${@}" >"${cli_tty}"
}
cli_show_menu()
@@ -70,19 +72,19 @@ cli_show_menu()
local l=
local label=
- printf '%s\n' "${title}" >"$(tty)"
- { printf '%s\n' "${title}" | sed 's/./-/g'; } >"$(tty)"
+ printf '%s\n' "${title}" >"${cli_tty}"
+ { printf '%s\n' "${title}" | sed 's/./-/g'; } >"${cli_tty}"
while :; do
- printf '\n' >"$(tty)"
+ printf '\n' >"${cli_tty}"
i=0
l=${#}
for label in "${@}"; do
i=$(($i + 1))
- printf ' %4d: %s\n' "${i}" "${label}" >"$(tty)"
+ printf ' %4d: %s\n' "${i}" "${label}" >"${cli_tty}"
done
- printf '\n> ' >"$(tty)"
- if ! read -r i <"$(tty)"; then
+ printf '\n> ' >"${cli_tty}"
+ if ! read -r i <"${cli_tty}"; then
continue
fi
case "${i}" in