Shell Scope - 7.0

Talend ESB Container Administration Guide

EnrichVersion
7.0
EnrichProdName
Talend Data Fabric
Talend Data Services Platform
Talend ESB
Talend MDM Platform
Talend Open Studio for ESB
Talend Real-Time Big Data Platform
task
Administration and Monitoring
Design and Development
Installation and Upgrade
EnrichPlatform
Talend ESB

The commands within the shell: scope are used to provide terminal window commands in the OSGi shell.

Table 5. Shell Scope commands

CommandParametersDescription
shell:aliascommandCreates an alias to a command.
shell:cat[options] [paths or urls]Displays the content of a file or URL. Where paths or urls is a list of file paths or urls to display separated by whitespace (use - for STDIN)
shell:clear Clears the console buffer.
shell:completion[mode]Displays or changes the completion mode on the current console session. Where mode is the completion mode to set. The valid completion modes are: global, first, subshell.
shell:date[options] [format]Displays the current time in the given FORMAT.
shell:eachvalues functionExecutes a closure on a list of arguments. Where:
  • values is the collection of arguments to iterate on
  • function is the function to execute
shell:echo[options] [arguments]Echoes or prints arguments to STDOUT, separated by whitespaces.
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shell:envvariable [value]Gets/sets the value of a console session variable.
shell:execcommandExecutes system processes.
shell:grep[options] patternPrints lines matching the given pattern, in regular expression.
shell:head[options] [paths or urls]Displays the first lines of a file. Where paths or urls is a list of file paths or urls to display separated by whitespaces.
shell:history Prints commands history.
shell:ifcondition ifTrue [ifFalse]If/Then/Else block.
shell:info Prints system information.
shell:java[options] className [arguments]Executes a Java standard application.
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shell:logout Disconnects shell from current session.
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shell:newclass [args]Creates a new java object.
shell:printfformat argumentsFormats and prints arguments.
shell:sleep[options] durationSleeps for a defined duration then wakes up. The default time unit is millisecond, use -s option to use second instead.
shell:sort[options] [files]Writes sorted concatenation of all files to standard output, separated by whitespaces.
shell:sourcescript [args]Runs a script. Where:
  • script is a URI pointing to the script
  • args are arguments for the script
shell:stack-traces-print[print]Prints the full stack trace in the console when the execution of a command throws an exception.
shell:tac[options]Captures the STDIN and returns it as a string. Optionally writes the content to a file.
shell:tail[options] [path or url]Displays the last lines of a file. Where path or url is a file path or url to display.
shell:threads[options] [id]Prints the current threads (optionally with stacktraces).
shell:watch[options] commandWatches & refreshes the output of a command.
shell:wc[options] [files]Prints newline, word, and byte counts for each file.
shell:whilecondition functionLoops while the condition is true.Where:
  • condition is the condition of the loop
  • function is the function to execute