diff options
Diffstat (limited to 'w3watch')
| -rwxr-xr-x | w3watch | 50 |
1 files changed, 50 insertions, 0 deletions
@@ -0,0 +1,50 @@ +#!/bin/bash + +mkdir -p ~/.w3watch/cache || exit 1 + +if [ ! -f ~/.w3watch/urls ]; then + echo "~/.w3watch/urls not found!" + exit 1 +fi + +if [ -f ~/.w3watch/lock ]; then + echo "w3watch already running" + exit 1 +fi + +touch ~/.w3watch/lock || exit 1 + + +for i in $(cat ~/.w3watch/urls); do + dump=$(lynx -dump "$i") + if [ $? -ne 0 ]; then + rm -f ~/.w3watch/lock + exit 1 + fi + + sum=$(echo "$i" | sha1sum | awk '{print $1;}') + cachefile=~/.w3watch/cache/${sum} + + if [ -f "$cachefile" ]; then + echo "$dump" | diff -u --label "$i" "$cachefile" - + fi + + echo "$dump" > "$cachefile" +done + +# remove old cache entries +for i in ~/.w3watch/cache/*; do + sumi=$(basename "$i") + + for j in $(cat ~/.w3watch/urls); do + sumj=$(echo "$j" | sha1sum | awk '{print $1;}') + + if [ "$sumi" == "$sumj" ]; then + continue 2 + fi + done + + rm -f $i +done + +rm -f touch ~/.w3watch/lock
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