init

1 year ago · 18efa3a277
commit 18efa3a277
25 changed files with 670 additions and 0 deletions
--- a/conf/kiekus-revspace-tz71.conf
+++ b/conf/kiekus-revspace-tz71.conf
@ -0,0 +1,8 @@
+devtype=blk
+devargs=sd*
+destproto=lftp
+dest=sftp://kiekjes@mediaserver/photos
+
+rpi_hub_port=2
+camera_sleep_delay=120
+posthook="nohup uhubctl -a cycle -d $(($camera_sleep_delay + 8)) -l $rpi_hub_port >/dev/null &"
--- a/32
+++ b/32
@ -0,0 +1,32 @@
+#!/bin/sh
+set -e
+
+usage() {
+    echo "usage: $0 [-h] -c CONFIG NAME=DEFAULT..."
+}
+
+while getopts hc: opt; do
+    case "$opt" in
+    c) __cfgfile="$OPTARG";;
+    h) echo "source variables from configuration file without clobbering the environment"; usage; exit 0;;
+    ?) usage; exit 255;;
+    esac
+done
+shift $(($OPTIND - 1))
+[ "$#" -ge 1 ] || { usage; exit 255; }
+
+(
+    # clear old out exports by un-exporting them manually
+    while read -r var; do
+        eval "__tmp=\"\$$var\"; unset $var; $var=\"\$__tmp\""
+    done <<EOI
+$(export -p | sed -e 's/^export //g' | cut -d= -f1)
+EOI
+    # introduce our config variables as new exports
+    for item; do
+        eval "export ${item%%=*}='${item#*=}'"
+    done
+    # load config file
+    [ -z "$__cfgfile" ] || . "$__cfgfile"
+    export -p
+) | sed -e '/=/!d' -e 's/^export //g'
--- a/9
+++ b/9
@ -0,0 +1,9 @@
+#!/bin/sh
+set -e
+
+for dir; do
+    # disregard the 'total' header and symlink references
+    ls -apl "$dir" | sed -ne '2,$p' | sed -e 's/ -> .*$//g' | while read -r mode nlinks user group size month day yearortime filename; do
+        rp-make "$filename" "size=$size" "mode=$mode" "user=$user" "group=$group" "timestamp=$(date -r "$dir/$filename" "+%Y-%m-%dT%H:%I:%S")"
+    done
+done
--- a/8
+++ b/8
@ -0,0 +1,8 @@
+#!/bin/sh
+set -e
+
+for target; do
+    lftp -c "connect $target; cls -l --time-style='%Y-%m-%dT%H:%I:%S'" | while read -r mode nlinks user group size datetime filename; do
+        rp-make "$filename" "size=$size" "mode=$mode" "user=$user" "group=$group" "timestamp=$datetime"
+    done
+done
--- a/11
+++ b/11
@ -0,0 +1,11 @@
+#!/bin/sh
+set -e
+
+for sysdir; do
+    busnum=$(cat "$sysdir/busnum")
+    devnum=$(cat "$sysdir/devnum")
+    rp-make ./
+    ptpcam --bus=$busnum --dev=$devnum -L | sed -ne '/^Handler:/,$p' | sed -ne '2,$p' | while read -r handler size date time filename; do
+        rp-make "$filename" "size=$size" timestamp="${date}T$time"
+    done
+done
--- a/72
+++ b/72
@ -0,0 +1,72 @@
+#!/bin/sh
+set -e
+
+action=watch
+blkpattern=
+blkname=
+blkuuid=
+blkfs=
+mntprefix=/run/kiekblk
+
+usage() {
+    echo "usage: $0 [-h] [-r | -w [-n PARTNAME] [-u PARTUUID] [-t FSTYPE] [-m MNTPREFIX]] PATTERN" >&2
+}
+
+while getopts hwrn:u:t:m: opt; do
+    case "$opt" in
+    w)   action=watch;;
+    r)   action=remove;;
+    d)   devpattern="$OPTARG";;
+    n)   blkname="$OPTARG";;
+    u)   blkuuid="$OPTARG";;
+    t)   blkfs="$OPTARG";;
+    m)   mntprefix="$OPTARG";;
+    h)   usage; exit 0;;
+    ?)   usage; exit 255;;
+    esac
+done
+shift $(($OPTIND - 1))
+blkpattern="${1:-*}"
+
+case "$action" in
+watch)
+    inotifywait -e create,delete -m /dev | {
+        devices=
+        while read -r _ action devname; do
+            case "$devname" in
+            $blkpattern);;
+            *) continue;;
+            esac
+            case "$action" in
+            CREATE)
+                eval $(blkid /dev/$devname | cut -d: -f2-)
+                if [ -n "$blkname" ] && [ "$blkname" != "$NAME" ]; then
+                    continue
+                fi
+                if [ -n "$blkuuid" ] && [ "$blkuuid" != "$UUID" ] && [ "$blkuuid" != "$PARTUUID" ]; then
+                    continue
+                fi
+                if [ -n "$blkfs" ] && [ "$blkfs" != "$FSTYPE" ]; then
+                    continue
+                fi
+
+                mkdir -p "$mntprefix/$devname"
+                if mount ${blkfs:+-t "$blkfs"} /dev/"$devname" "$mntprefix/$devname"; then
+                    devices="$(printf "%s\n%s\n" "$devices" "$devname")"
+                    rp-make "$mntprefix/$devname" protocol=file rm_command="$0 -r '$mntprefix/$devname'"
+                else
+                    rmdir "$mntprefix/$devname"
+                fi
+                ;;
+            DELETE)
+                devices=$(printf "%s\n" "$devices" | grep -v "^$devname\$")
+                ;;
+            esac
+        done
+    }
+    ;;
+remove)
+    umount "$blkpattern"
+    rmdir "$blkpattern"
+    ;;
+esac
--- a/61
+++ b/61
@ -0,0 +1,61 @@
+#!/bin/sh
+set -e
+
+USB_CLASS_STILL_IMAGE=6
+USB_SUBCLASS_STILL_IMAGE_DEVICE=1
+USB_PROTOCOL_STILL_IMAGE_DEVICE=1
+
+
+device=
+usbbid=
+usbpid=
+usbvid=
+mntprefix=/run/kiekmtp
+
+usage() {
+    echo "usage: $0 [-h] [-r DEVICE | -w [-b BUSID] [-v VENDORID] [-p PRODUCTID] [-m MNTPREFIX]]" >&2
+}
+
+while getopts hwr:b:v:p:m: opt; do
+    case "$opt" in
+    w)   action=watch;;
+    r)   action=remove; device="$OPTARG";;
+    b)   usbbid="$OPTARG";;
+    v)   usbvid="$(printf "%04x" 0x$OPTARG)";;
+    p)   usbpid="$(printf "%04x" 0x$OPTARG)";;
+    m)   mntprefix="$OPTARG";;
+    h)   usage; exit 0;;
+    ?)   usage; exit 255;;
+    esac
+done
+shift $(($OPTIND - 1))
+
+case "$action" in
+watch)
+    kiekmon-usb \
+        ${usbbid:+-b $usbbid} \
+        ${usbvid:+-v $usbvid} \
+        ${usbpid:+-p $usbpid} | \
+        -c $USB_CLASS_STILL_IMAGE -C $USB_SUBCLASS_STILL_IMAGE_DEVICE -P $USB_PROTOCOL_STILL_IMAGE_DEVICE | \
+        rp-get . rm_command | \
+    while read -r sysdir && read -r rmcmd; do (
+        busnum=$(cat "$sysdir/busnum")
+        devnum=$(cat "$sysdir/devnum")
+        devvid=$(cat "$sysdir/idVendor")
+        devpid=$(cat "$sysdir/idProduct")
+
+        mkdir -p "$mntprefix/$busnum-$devnum"
+        if afp-mtp-mount -D $devvid:$devpid "$mntprefix/$busnum-$devnum"; then
+            rp-make "$mntprefix/$busnum-$devnum" protocol=file rm_command="$0 -r '$mntprefix/$devname@$rmcmd'"
+        else
+            rmdir "$mntprefix/$devname"
+        fi
+    ) || true; done
+    ;;
+remove)
+    printf "%s\n" "$device" | sed -e 's/@/ /' | read -r mntdir usbrmcmd
+    fusermount -u "$mntdir"
+    rmdir "$mntdir"
+    $usbrmcmd
+    ;;
+esac
--- a/58
+++ b/58
@ -0,0 +1,58 @@
+#!/bin/sh
+set -e
+
+device=
+usbbid=
+usbpid=
+usbvid=
+
+usage() {
+    echo "usage: $0 [-h] [-r DEVICE | -w [-b BUSID] [-v VENDORID] [-p PRODUCTID] [PATTERN]]" >&2
+}
+
+while getopts hwr:b:v:p: opt; do
+    case "$opt" in
+    w)   action=watch;;
+    r)   action=remove; device="$OPTARG";;
+    b)   usbbid="$OPTARG";;
+    v)   usbvid="$(printf "%04x" 0x$OPTARG)";;
+    p)   usbpid="$(printf "%04x" 0x$OPTARG)";;
+    h)   usage; exit 0;;
+    ?)   usage; exit 255;;
+    esac
+done
+shift $(($OPTIND - 1))
+pattern="$1"
+
+case "$action" in
+watch)
+    kiekmon-usb  -w \
+        ${usbbid:+-b $usbbid} \
+        ${usbvid:+-v $usbvid} \
+        ${usbpid:+-p $usbpid} \
+        -c 6 -C 1 -P 1 | \
+        rp-get . rm_command | \
+    while read -r sysdir && read -r rmcmd; do (
+        trap "$rmcmd" INT TERM
+        busnum=$(cat "$sysdir/busnum")
+        devnum=$(cat "$sysdir/devnum")
+        info=$(ptpcam --bus=$busnum --dev=$devnum -i)
+        if [ -z "$info" ]; then
+            $rmcmd
+            exit
+        fi
+
+        if [ -n "$pattern" ]; then
+            model="$(printf "%s\n" "$info" | grep '^Model:' | cut -d ' ' -f2-)"
+            case "$model" in
+            $pattern) ;;
+            *) "$rmcmd"; exit;
+            esac
+        fi
+        rp-make "$sysdir" protocol=ptp rm_command="$rmcmd"
+    ) || true; done
+    ;;
+remove)
+    kiekmonitor-usb -r "$device"
+    ;;
+esac
--- a/64
+++ b/64
@ -0,0 +1,64 @@
+#!/bin/sh
+set -e
+
+action=watch
+device=
+usbbid=
+usbvid=
+usbpid=
+usbcls=
+usbsubcls=
+usbproto=
+
+usage() {
+    echo "usage: $0 [-h] [-r DEVICE | -w [-b BUSID] [-v VENDORID] [-p PRODUCTID] [-c CLASS] [-C SUBCLASS] [-P PROTOCOL]]" >&2
+}
+
+while getopts hwrb:v:p:c:C:P: opt; do
+    case "$opt" in
+    w)   action=watch;;
+    r)   action=remove; device="$OPTARG";;
+    b)   usbbid="$OPTARG";;
+    v)   usbvid="$(printf "%04x" 0x$OPTARG)";;
+    p)   usbpid="$(printf "%04x" 0x$OPTARG)";;
+    c)   usbcls="$(printf "%02x" $OPTARG)";;
+    C)   usbsubcls="$(printf "%02x" $OPTARG)";;
+    P)   usbproto="$(printf "%02x" $OPTARG)";;
+    h)   usage; exit 0;;
+    ?)   usage; exit 255;;
+    esac
+done
+shift $(($OPTIND - 1))
+
+case "$action" in
+watch)
+    inotifywait -e create -m -r /dev/bus/usb | {
+        while read -r basedir action devname; do (
+            bus="${basedir#/dev/bus/usb}"
+            bus="${bus#/}"
+            [ -n "$bus" ] || continue
+            busnum="$(echo "$bus" | sed -e 's/^0+//')"
+            devnum="$(echo "$devname" | sed -e 's/^0+//')"
+            [ -z "$usbbid" ] || [ "$busnum" -eq "$usbbid" ] || continue
+
+            # ref: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/ABI/stable/sysfs-bus-usb?h=v5.19#n63
+            sysdir="$(echo /sys/bus/usb/devices/$busnum-$devnum:*)"
+            devvid="$(cat "$sysdir/idVendor" | tr '[A-Z]' '[a-z]')"
+            [ -z "$usbvid" ] || [ "$devvid" = "$usbvid" ] || continue
+            devpid="$(cat "$sysdir/idProduct" | tr '[A-Z]' '[a-z]')"
+            [ -z "$usbpid" ] || [ "$devpid" = "$usbpid" ] || continue
+            devcls="$(cat "$sysdir/bDeviceClass" | tr '[A-Z]' '[a-z]')"
+            [ -z "$usbcls" ] || [ "$devcls" = "$usbcls" ] || continue
+            debsubcls="$(cat "$sysdir/bDeviceSubClass" | tr '[A-Z]' '[a-z]')"
+            [ -z "$usbsubcls" ] || [ "$devsubcls" = "$usbsubcls" ] || continue
+            devproto="$(cat "$sysdir/bDeviceProtocol" | tr '[A-Z]' '[a-z]')"
+            [ -z "$usbproto" ] || [ "$devproto" = "$usbproto" ] || continue
+
+            rp-make "$sysdir" protocol=usb rm_command="$0 -r '$sysdir'"
+        ) || true; done
+    }
+    ;;
+remove)
+    # todo
+    ;;
+esac
--- a/6
+++ b/6
@ -0,0 +1,6 @@
+#!/bin/sh
+set -e
+basedir="$1"; shift
+[ -d "$basedir" ] || exit 1
+[ "$#" -gt 1 ] || set -- .
+(cd "$basedir" && tar -cz -- "$@")
--- a/12
+++ b/12
@ -0,0 +1,12 @@
+#!/bin/sh
+set -e
+
+# no built-in tar support, write to a temporary directory first
+tempdir=/tmp/kiekpull.$$
+mkdir -p "$tempdir"
+trap 'rm -r "$tempdir"' EXIT INT TERM
+
+# use printf to built a nice lftp cmdline in one go, fetch, and tar!
+server="$1"; shift
+lftp -c "connect $server && lcd $tempdir $(printf " && get %s" "$@")"
+(cd "$tempdir" && tar -cz -- "$@")
--- a/27
+++ b/27
@ -0,0 +1,27 @@
+#!/bin/sh
+set -e
+sysdir="$1"; shift
+[ -d "$basedir" ] || exit 1
+
+# no built-in tar support, write to a temporary directory first
+tempdir=/tmp/kiekpull.$$
+mkdir -p "$tempdir"
+trap 'rm -r "$tempdir"' EXIT INT TERM
+
+# read file listing, find files of interest, and fetch them
+busnum=$(cat "$sysdir/busnum")
+devnum=$(cat "$sysdir/devnum")
+files="$(printf "%s\n" "$@")"
+while read -r handler size date time filename; do
+    if printf "%s\n" "$files" | grep -q "^$filename\$"; then
+        (cd "$tempdir" && ptpcam --bus=$busnum --dev=$devnum --get-file="${handler%:}" --filename="$filename")
+        files="$(printf "%s\n" "$files" | grep -v "^$filename\$")"
+    fi
+done <<EOF
+$(ptpcam --bus=$busnum --dev=$devnum -L | sed -ne '/^Handler:/,$p' | sed -ne '2,$p')
+EOF
+# managed to get all the files?
+[ -z "$files" ]
+
+# tar it up!
+(cd "$tempdir" && tar -cz -- "$@")
--- a/4
+++ b/4
@ -0,0 +1,4 @@
+#!/bin/sh
+set -e
+[ -d "$1" ] || mkdir -p "$1"
+(cd "$1" && tar -vxz | sed -e 's#^./##g')
--- a/17
+++ b/17
@ -0,0 +1,17 @@
+#!/bin/sh
+set -e
+
+tempdir=/tmp/kiekpush.$$
+mkdir -p "$tempdir"
+trap 'rm -r "$tempdir"' EXIT INT TERM
+
+server="$(printf "%s\n" "$1" | cut -d/ -f1-3)"
+directory="${1#$server/}"
+
+(cd "$tempdir"; tar -xz)
+while read -r filename; do
+    lftp -c "connect $server && mkdir -pf $directory && cd $directory && lcd $tempdir && put $filename"
+    printf "%s\n" "$filename"
+done <<EOF
+$(ls -1 "$tempdir")
+EOF
--- a/64
+++ b/64
@ -0,0 +1,64 @@
+#!/bin/sh
+set -e
+
+usage() {
+    echo "usage: $0 [-h] -c CONFIG | DEST"
+}
+
+while getopts hc: opt; do
+    case "$opt" in
+    c) cfgfile="$OPTARG";;
+    h) usage; exit 0;;
+    ?) usage; exit 255;;
+    esac
+done
+shift $(($OPTIND - 1))
+dest="$1"; shift || true
+
+# read configuration
+eval "$(kiekconf \
+    ${cfgfile:+-c "$cfgfile"} \
+    devtype=blk \
+    devargs= \
+    destproto=lftp \
+    dest="$dest" \
+    statedir=/tmp/kiekstate.$$ \
+    logfilename="$(basename "$0".log)" \
+    prehook= \
+    posthook= \
+)"
+[ -n "$dest" ] || { echo "kiekus: error: no dest specified in config or arguments"; usage; exit 255; }
+
+
+iso8601_to_touch() {
+    printf "%s\n" | sed -E -e 's/^([0-9]{4})-([0-9]{2})-([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2}).*/\1\2\3\4\5.\6/g'
+}
+
+mkdir -p "$statedir"
+eval "kiekmon-$devtype $devargs" | rp-get . protocol rm_command | while read -r device && read -r srcproto && read -r rmcmd; do (
+    trap 'set +e; code=$?; [ -z "$posthook" ] || eval "$posthook"; eval "$rmcmd"; exit $code' EXIT INT TERM
+    [ -z "$prehook" ] || eval "$prehook"
+
+    # determine destination directory and last upload timestamp
+    destdir="$dest/$(date +"%Y%m%d")"
+    kiekpull-$destproto "$dest" "$logfilename" | kiekpush-file "$statedir" || true
+    if [ -f "$statedir/$logfilename" ]; then
+        lastts=$(date -r "$statedir/$logfilename" +"%Y-%m-%d%H:%I:%S")
+    else
+        # best-effort
+        lastts="$(kieklist-$destproto "$dest" | rp-filter '.= | endswith("/")' | rp-sort -r . | rp-get timestamp)"
+    fi
+
+    # get source file listing and filter it
+    filenames="$(kieklist-$srcproto "$device" | rp-filter "timestamp= > $lastts" | rp-get .)"
+    [ -f "$statedir/$logfilename" ] && filenames=$(printf "%s\n" "$filenames" | grep -vF -f "$statedir/$logfilename")
+
+    # pull from source and push into destination
+    kiekpull-$srcproto "$device" $filenames | kiekpush-$destproto "$destdir" | while read -r line; do
+        printf "%s\n" "$line" >> "$statedir/$logfilename"
+    done
+
+    # update logfile timestamp, upload logfile
+    touch -t $(iso8601_to_touch "$lastts") "$logfilename"
+    kiekpull-file "$statedir" "$logfilename" | kiekpush-$destproto "$dest"
+) || true; done
--- a/21
+++ b/21
@ -0,0 +1,21 @@
+#!/bin/sh
+set -e
+
+usage() {
+    echo "usage: $0 [-h] [NAME...]" >&2
+}
+
+while getopts h opt; do
+    case "$opt" in
+    h) usage; exit 0;;
+    ?) usage; exit 255;;
+    esac
+done
+shift $(($OPTIND-1))
+
+cleared=
+for arg; do
+    [ -n "$cleared" ] || { set -- .; cleared=yes; }
+    set -- "$@" '|' "del(.[\"$arg\"])"
+done
+exec jq -M -c "$@"
--- a/20
+++ b/20
@ -0,0 +1,20 @@
+#!/bin/sh
+set -e
+
+usage() {
+    echo "usage: $0 [-h] [NAME=FUNC...]" >&2
+}
+
+while getopts h opt; do
+    case "$opt" in
+    h) usage; exit 0;;
+    ?) usage; exit 255;;
+    esac
+done
+shift $(($OPTIND-1))
+
+cond='false'
+for arg; do
+    cond="$cond or (.[\"${arg%%=*}\"] ${arg#*=})"
+done
+exec jq -M -c "select($cond)"
--- a/20
+++ b/20
@ -0,0 +1,20 @@
+#!/bin/sh
+set -e
+
+usage() {
+    echo "usage: $0 [-h] [NAME...]" >&2
+}
+
+while getopts h opt; do
+    case "$opt" in
+    h) usage; exit 0;;
+    ?) usage; exit 255;;
+    esac
+done
+shift $(($OPTIND-1))
+
+select=".[\"$1\"]"; shift
+for arg; do
+    select="$select, .[\"$arg\"] // \"\""
+done
+exec jq -M -r "$select"
--- a/16
+++ b/16
@ -0,0 +1,16 @@
+#!/bin/sh
+set -e
+
+usage() {
+    echo "usage: $0 [-h] [VALUE | NAME=VALUE...]" >&2
+}
+
+while getopts h opt; do
+    case "$opt" in
+    h) usage; exit 0;;
+    ?) usage; exit 255;;
+    esac
+done
+shift $(($OPTIND-1))
+
+echo '{}' | rp-set -- "$@"
--- a/21
+++ b/21
@ -0,0 +1,21 @@
+#!/bin/sh
+
+usage() {
+    echo "usage: $0 [-h] [NAME=NEWNAME...]" >&2
+}
+
+while getopts h opt; do
+    case "$opt" in
+    h) usage; exit 0;;
+    ?) usage; exit 255;;
+    esac
+done
+shift $(($OPTIND-1))
+
+pipe=.
+for arg; do
+    old="${arg%%=*}"
+    new="${arg#*=}"
+    pipe="$pipe | .[\"$new\"] = .[\"$old\"] | del(.[\"$old\"])"
+done
+exec jq -M -c "$pipe"
--- a/22
+++ b/22
@ -0,0 +1,22 @@
+#!/bin/sh
+
+usage() {
+    echo "usage: $0 [-h] [NAME=EXPR...]" >&2
+}
+
+while getopts h opt; do
+    case "$opt" in
+    h) usage; exit 0;;
+    ?) usage; exit 255;;
+    esac
+done
+shift $(($OPTIND-1))
+
+tee=
+cleared=
+for replacement; do
+    [ -n "$cleared" ] || { set --; cleared=yes; }
+    tee="$tee 'rp-get ${replacement%%=*}'"
+    set -- "$@" "read -r value; rp-set ${replacement%%=*}=\"${replacement#*=}\""
+done
+eval "rp-tee $tee" | rp-untee "$@"
--- a/28
+++ b/28
@ -0,0 +1,28 @@
+#!/bin/sh
+
+usage() {
+    echo "usage: $0 [-h] [VALUE | NAME=VALUE...]" >&2
+}
+
+while getopts h opt; do
+    case "$opt" in
+    h) usage; exit 0;;
+    ?) usage; exit 255;;
+    esac
+done
+shift $(($OPTIND-1))
+
+cleared=
+obj=
+i=1
+for arg; do
+    [ -n "$cleared" ] || { set --; cleared=yes; }
+    case "$arg" in
+    *=*) key="${arg%%=*}"; value="${arg#*=}";;
+    *) key=.; value="$arg";;
+    esac
+    obj="$obj\"$key\": \$v$i,"
+    set -- "$@" --arg v$i "$value"
+    i=$(($i + 1))
+done
+exec jq -M -c "$@" ". + {$obj}"
--- a/26
+++ b/26
@ -0,0 +1,26 @@
+#!/bin/sh
+set -e
+
+usage() {
+    echo "usage: $0 [-h] [-r] [NAME...]" >&2
+}
+
+reverse=
+while getopts hr opt; do
+    case "$opt" in
+    r) reverse=yes;;
+    h) usage; exit 0;;
+    ?) usage; exit 255;;
+    esac
+done
+shift $(($OPTIND-1))
+
+spec="[.[\"$1\"]"; shift
+for arg; do
+    spec="$spec, .[\"$arg\"]"
+done
+spec="$spec]"
+
+cmd="sort_by($spec)"
+[ -z "$reverse" ] || cmd="$cmd | reverse"
+exec jq -M -s -c "$cmd[]"
--- a/21
+++ b/21
@ -0,0 +1,21 @@
+#!/bin/sh
+set -e
+
+usage() {
+    echo "usage: $0 [-h] [CMD...]" >&2
+}
+
+while getopts h opt; do
+    case "$opt" in
+    h) usage; exit 0;;
+    ?) usage; exit 255;;
+    esac
+done
+shift $(($OPTIND-1))
+
+while read -r line; do
+    printf "%s\n" "$line"
+    for cmd; do (
+        printf "%s\n" "$line" | eval "$cmd"
+    ) done
+done
--- a/22
+++ b/22
@ -0,0 +1,22 @@
+#!/bin/sh
+set -e
+
+usage() {
+    echo "usage: $0 [-h] [CMD...]" >&2
+}
+
+while getopts h opt; do
+    case "$opt" in
+    h) usage; exit 0;;
+    ?) usage; exit 255;;
+    esac
+done
+shift $(($OPTIND-1))
+
+while read -r line; do
+    for cmd; do
+        read -r value
+        line="$(printf "%s\n%s\n" "$value" "$line" | eval "$cmd")"
+    done
+    printf "%s\n" "$line"
+done