Echo
(since EVL 2.0)
Write <string>
into <f_out>
. This component doesn’t produce partitioned flow.
‘Echo’ is to be used in EVS job structure definition file.
<f_out>
is either output file or flow name.
There is no standalone version of this component as you can use standard ‘echo’.
EVS is EVL job structure definition file, for details see evl-evs(5).
Synopsis
Echo <string> <f_out> [-e] [-n] evl echo ( --help | --usage | --version )
Options
- -n
-
do not output the trailing newline (standard Bash echo option)
- -e
-
enable interpretation of backslash escapes (standard Bash echo option)
Standard options:
- --help
-
print this help and exit
- --usage
-
print short usage information and exit
- --version
-
print version and exit
Examples
- An EVL job (specified in ‘evs’ file) which run simple select statement from Postgreql table:
Echo "select max(id) from some_db.some_table;" SELECT RunPG SELECT MAX_ID
- To add two hardcoded records to the end of a flow:
... ... FLOW -d "s string" Echo "Some string footer,\nwith two lines." FOOTER -e Cat FLOW FOOTER -d "s string" ...