diff --git a/timesheet/datetimehelper.sh b/timesheet/datetimehelper.sh
new file mode 100755
index 0000000..76f23bb
--- /dev/null
+++ b/timesheet/datetimehelper.sh
@@ -0,0 +1,22 @@
+function tstodate() {
+    [[ $# -eq 0 ]] && return 1
+    date -d @${1} +%Y-%m-%d
+}
+
+function extracttime() {
+    local OIFS=${IFS}
+
+    if [[ $# -eq 0 || -z $1 ]]
+    then
+        TIMEKEY=""
+        TIME="00:00:00"
+    else
+        IFS=:
+        set -- $=1
+        IFS=${OIFS}
+        TIMEKEY=$1
+        TIME=$(printf "%02d:%02d:%02d" ${2:-0} ${3:-0} $4)
+    fi
+}
+
+# vim: set et ts=4 sw=4:
diff --git a/timesheet/stringhelper.sh b/timesheet/stringhelper.sh
new file mode 100755
index 0000000..59ebfe8
--- /dev/null
+++ b/timesheet/stringhelper.sh
@@ -0,0 +1,10 @@
+function truncate() {
+    [[ $# -lt 2 ]] && return 1
+
+    local STRING=$1
+
+    [[ ${#STRING} -gt ${2} ]] && STRING="${STRING:0:$(($2-3))}..."
+    echo -n ${STRING}
+}
+
+# vim: set et ts=4 sw=4:
diff --git a/timesheet/taskhelper.sh b/timesheet/taskhelper.sh
new file mode 100755
index 0000000..1e96758
--- /dev/null
+++ b/timesheet/taskhelper.sh
@@ -0,0 +1,90 @@
+#!/bin/zsh
+
+function tasktimes() {
+    [[ $# -eq 0 ]] && return 1
+
+    local KEY=${2:-\\1}
+    local T
+    local D='([0-9]{4}-[0-9]{2}-[0-9]{2})'
+    local N='([0-9]+)'
+    local EXPR='s/'$D'.*PT('$N'H)?('$N'M)?('$N').*/'${KEY}':\3:\5:\7/;te;d;:e'
+
+    task $1 info | sed -r ${EXPR} | awk -F: '
+    {
+        s = (d[$1][2] + $4) % 60
+        _m = int((d[$1][2] + $4) / 60)
+        m = (d[$1][1] + $3 + _m) % 60
+        _h = int((d[$1][1] + $3 + _m) / 60)
+        d[$1][0] += $2 + _h
+        d[$1][1] = m
+        d[$1][2] = s
+    }
+    END {
+        for(i in d)
+            printf("%s:%d:%d:%d\n", i, d[i][0], d[i][1], d[i][2])
+    }' | sort -t: -k1
+}
+
+function tasktimestotal() {
+    tasktimes $1 TOTAL
+}
+
+function taskdescription() {
+    [[ $# -eq 0 ]] && return 1
+    task $1 _unique description
+}
+
+function taskproject() {
+    [[ $# -eq 0 ]] && return 1
+    task $1 _unique project
+}
+
+function taskurgency() {
+    [[ $# -eq 0 ]] && return 1
+    task $1 _urgency | cut -d\  -f 4
+}
+
+function taskentry() {
+    [[ $# -eq 0 ]] && return 1
+    task $1 _unique entry
+}
+
+function taskend() {
+    [[ $# -eq 0 ]] && return 1
+    task $1 _unique end
+}
+
+function taskuuids() {
+    local UUID
+
+    [[ $# -eq 0 ]] && set -- \( +PENDING or +DONE \)
+    for UUID in $(task $@ _uuid)
+    do
+        printf "%05.2f\037%s\037%s\n" \
+            "$(taskurgency $UUID)" \
+            "$(taskdescription $UUID)" \
+            $UUID
+    done | sort -t$'\037' -k1nr,2 | cut -d$'\037' -f3
+}
+
+function pendinguuids() {
+    taskuuids +PENDING $@
+}
+
+function doneuuids() {
+    taskuuids +COMPLETED $@
+}
+
+function blockeduuids() {
+    taskuuids +BLOCKED $@
+}
+
+function blockinguuids() {
+    taskuuids +BLOCKING $@
+}
+
+function deleteduuids() {
+    taskuuids +DELETED $@
+}
+
+# vim: set et ts=4 sw=4:
diff --git a/timesheet/timesheet.sh b/timesheet/timesheet.sh
index bfb8f86..eea8f99 100755
--- a/timesheet/timesheet.sh
+++ b/timesheet/timesheet.sh
@@ -1,144 +1,20 @@
 #!/bin/zsh
 
-function tasktimes() {
-    [[ $# -eq 0 ]] && return 1
-
-    local KEY=${2:-\\1}
-    local T
-    local D='([0-9]{4}-[0-9]{2}-[0-9]{2})'
-    local N='([0-9]+)'
-    local EXPR='s/'$D'.*PT('$N'H)?('$N'M)?('$N').*/'${KEY}':\3:\5:\7/;te;d;:e'
-
-    task $1 info | sed -r ${EXPR} | awk -F: '
-    {
-        s = (d[$1][2] + $4) % 60
-        _m = int((d[$1][2] + $4) / 60)
-        m = (d[$1][1] + $3 + _m) % 60
-        _h = int((d[$1][1] + $3 + _m) / 60)
-        d[$1][0] += $2 + _h
-        d[$1][1] = m
-        d[$1][2] = s
-    }
-    END {
-        for(i in d)
-            printf("%s:%d:%d:%d\n", i, d[i][0], d[i][1], d[i][2])
-    }' | sort -t: -k1
-}
-
-function tasktimestotal() {
-    tasktimes $1 TOTAL
-}
-
-function taskdescription() {
-    [[ $# -eq 0 ]] && return 1
-    task $1 _unique description
-}
-
-function taskproject() {
-    [[ $# -eq 0 ]] && return 1
-    task $1 _unique project
-}
-
-function taskurgency() {
-    [[ $# -eq 0 ]] && return 1
-    task $1 _urgency | cut -d\  -f 4
-}
-
-function taskentry() {
-    [[ $# -eq 0 ]] && return 1
-    task $1 _unique entry
-}
-
-function taskend() {
-    [[ $# -eq 0 ]] && return 1
-    task $1 _unique end
-}
-
-function taskuuids() {
-    local UUID
-
-    [[ $# -eq 0 ]] && set -- \( +PENDING or +DONE \)
-    for UUID in $(task $@ _uuid)
-    do
-        printf "%05.2f\037%s\037%s\n" \
-            "$(taskurgency $UUID)" \
-            "$(taskdescription $UUID)" \
-            $UUID
-    done | sort -t$'\037' -k1nr,2 | cut -d$'\037' -f3
-}
-
-function pendinguuids() {
-    taskuuids +PENDING $@
-}
-
-function doneuuids() {
-    taskuuids +COMPLETED $@
-}
-
-function blockeduuids() {
-    taskuuids +BLOCKED $@
-}
-
-function blockinguuids() {
-    taskuuids +BLOCKING $@
-}
-
-function deleteduuids() {
-    taskuuids +DELETED $@
-}
-
-function underline() {
-    [[ $# -lt 2 ]] && return 1
-    printf "\033[4m%${1}s\033[24m" "$2"
-}
-
-function bold() {
-    [[ $# -lt 2 ]] && return 1
-    printf "\033[1m%${1}s\033[22m" "$2"
-}
-
-function tstodate() {
-    [[ $# -eq 0 ]] && return 1
-    date -d @${1} +%Y-%m-%d
-}
-
-function extracttime() {
-    [[ $# -eq 0 ]] && return 1
-
-    local OIFS=${IFS}
-
-    if [[ -z $1 ]]
-    then
-        TIMEKEY=""
-        TIME="00:00:00"
-    else
-        IFS=:
-        set -- $(echo $1)
-        IFS=${OIFS}
-        TIMEKEY="$1"
-        TIME=$(printf "%02d:%02d:%02d" ${2:-0} ${3:-0} $4)
-    fi
-}
+source $0:A:h/datetimehelper.sh
+source $0:A:h/stringhelper.sh
+source $0:A:h/taskhelper.sh
+source $0:A:h/ttyhelper.sh
 
 function printtimes() {
     local T
-    for T in "$@"
+    for T in $@
     do
-        extracttime "$T"
+        extracttime $T
         printf "%37s%-4s%10s: %s\n" "spent - " "$(date -d "$TIMEKEY" +%a)" \
-            "$TIMEKEY" "$TIME"
+            $TIMEKEY $TIME
     done
 }
 
-function truncate() {
-    [[ $# -lt 2 ]] && return 1
-
-    local STRING=$1
-
-    [[ ${#STRING} -gt ${2} ]] && STRING="${STRING:0:$(($2-3))}..."
-    echo -n "${STRING}"
-}
-
 function showall() {
     [[ $# -eq 0 ]] && return 1
 
@@ -151,9 +27,9 @@ function showall() {
         "$(underline -10 completed)" \
         "$(underline -10 entered)"
 
-    for UUID in "$@"
+    for UUID in $@
     do
-        extracttime "$(tasktimes $UUID TOTAL)"
+        extracttime $(tasktimes $UUID TOTAL)
         printf "%-16s %-35s %-10s %-10s %-8s\n" \
             "$(truncate "$(taskproject $UUID)" 16)" \
             "$(truncate "$(taskdescription $UUID)" 35)" \
@@ -225,21 +101,21 @@ NL=$'\n'
 #
 SHORTOPTS=?hf:
 LONGOPTS=help,html,file
-ARGS=$(getopt -o "${SHORTOPTS}" --long "${LONGOPTS}" -n "timesheet" -- "$@")
+ARGS=$(getopt -o ${SHORTOPTS} --long ${LONGOPTS} -n timesheet -- $@)
 if [ $? -ne 0 ]
 then
-    usage "$0"
+    usage $0
     exit 1
 fi
-eval set -- "${ARGS}"
+eval set -- ${=ARGS}
 unset ARGS
 
 while true
 do
-    case "$1" in
+    case $1 in
         '-?'|'--help')
             shift
-            usage "$0"
+            usage $0
             exit 0
             ;;
         '-h'|'--html')
@@ -263,7 +139,7 @@ do
     esac
 done
 
-[[ $OUTFILE ]] && {
+[[ -n $OUTFILE ]] && {
     if [[ ${DOHTML} -eq 1 ]]
     then
         exec 1> >(ansi2html >${OUTFILE}.html)
diff --git a/timesheet/ttyhelper.sh b/timesheet/ttyhelper.sh
new file mode 100755
index 0000000..8226226
--- /dev/null
+++ b/timesheet/ttyhelper.sh
@@ -0,0 +1,11 @@
+function underline() {
+    [[ $# -lt 2 ]] && return 1
+    printf "\033[4m%${1}s\033[24m" $2
+}
+
+function bold() {
+    [[ $# -lt 2 ]] && return 1
+    printf "\033[1m%${1}s\033[22m" $2
+}
+
+# vim: set et ts=4 sw=4: