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| #!/bin/bash -e | |
| # | |
| # Author: Werner Beroux <werner@beroux.com> | |
| # Help? | |
| if [[ $# -eq 0 || $1 == --help || $1 == -h ]] | |
| then | |
| echo "inotifyexec version 1.0" | |
| echo "Requires inotify-tools." | |
| echo "" | |
| echo "Usage: inotifyexec <command> <inotifywait arguments...>" | |
| echo "Example: inotifyexec make -r . -qq -e modify,create,delete --exclude '*.swp'" | |
| echo "" | |
| echo "Once watch established, press Ctrl + C once to shutdown the watch cleanly." | |
| if [[ $# -eq 0 ]] | |
| then | |
| exit 1 | |
| else | |
| exit 0 | |
| fi | |
| fi | |
| exec_command=$1 | |
| shift | |
| inotifyargs=$* | |
| # Listen to a single file changes, should be the temporary file changes. | |
| if [[ "$#" -eq 1 && -e $1 ]] | |
| then | |
| # Ignore errors when executing the command. | |
| set +e | |
| while inotifywait -qq -e attrib $1 | |
| do | |
| $exec_command | |
| done | |
| else | |
| tmp_file=$(mktemp) | |
| touch $tmp_file | |
| # Fork a listener on the temporary file. | |
| $0 "$exec_command" $tmp_file & | |
| # Keep listening to the desired directory: | |
| # Each change will touch the temporary file again. | |
| inotifywait --monitor $inotifyargs | while read dir ev file | |
| do | |
| if [[ "$exec_command" == "" ]] | |
| then | |
| echo "dir:$dir ev:$ev file:$file" | |
| else | |
| touch $tmp_file | |
| fi | |
| done | |
| rm -f $tmp_file | |
| fi |
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