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esh: missing argument <input>
USAGE:
esh [options] [--] <input> [<variable>...]
esh <-h | -V>
Process and evaluate an ESH template.
ARGUMENTS:
<input> Path of the template file or "-" to read from STDIN.
<variable> Variable(s) specified as <name>=<value> to pass into the
template (the have higher priority than environment
variables).
OPTIONS:
-d Don't evaluate template, just dump a shell script.
-o <file> Output file or "-" for STDOUT. Defaults to "-".
-s <shell> Command name or path of the shell to use for template
evaluation. It must not contain spaces.
Defaults to "/bin/sh".
-h Show this help message and exit.
-V Print version and exit.
ENVIRONMENT:
ESH_AWK Command name of path of the awk program to use.
It must not contain spaces. Defaults to "awk".
ESH_MAX_DEPTH Maximum include depth. Defaults to 3.
ESH_SHELL Same as -s.
EXIT STATUS:
0 Clean exit, no error has encountered.
1 Generic error.
10 Invalid usage.
11 ESH syntax error.
12 Include error: file not found.
13 Include error: exceeded max include depth (ESH_MAX_DEPTH).
Please report bugs at <https://github.com/jirutka/esh/issues>.
%exit-status: 10
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