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fswatch:tldr:f52ce
This command performs the following actions:
-
fswatch ${filename}
: This part of the command utilizes thefswatch
command-line tool to monitor changes in the${filename}
specified.fswatch
is a utility used for watching changes in the filesystem. It continuously scans the file system and outputs the paths of modified files. -
|
: The pipe symbol "|" is used to redirect the output of the preceding command (fswatch ${filename}
) to the next command (xargs -n 1 ${bash_command}
). -
xargs -n 1 ${bash_command}
: This part of the command takes the output of the previous command (fswatch ${filename}
) line by line and executes the${bash_command}
specified for each line.xargs
is a command-line tool that takes a list of items as input and applies a command to each item.
In summary, this command monitors changes in the ${filename}
specified using fswatch
and when changes occur, it executes the ${bash_command}
specified for each change using xargs
.