
xmlstarlet:tldr:7d134
The command you mentioned consists of two parts, separated by the pipe symbol |
.
-
${cat filename-xml}
: This part is using thecat
command to read the contents of a file specified byfilename-xml
. The${...}
syntax is often used in shell scripting or command substitution to refer to the value of a variable. In this case,filename-xml
is expected to be a variable holding the actual filename. The output ofcat filename-xml
is then passed to the next part of the command through the pipe. -
xmlstarlet format
: This part runs thexmlstarlet
command with the actionformat
.xmlstarlet
is a command-line tool used for querying, editing, and formatting XML files. Theformat
action is used to reformat the XML input according to a specific style or indentation. In this case, the input received from the previous command (cat filename-xml
) will be reformatted byxmlstarlet
using the default formatting settings.
In summary, the command takes the contents of a file specified by a variable named filename-xml
, displays the original XML content using the cat
command, and then passes it to xmlstarlet
to reformat the XML output.