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JCS - jcsh Notes: Include base preprocessor into jcsh. [expr] defines expression to be evaluated. Can be changed through environment variables EXPRBEGIN, EXPREND and EXPRESCAPE. Maybe add custom modules for expression evaluators (similar to Apache modules). .jcrc file for startup options. Commands :autocont {on|off} Sets implied continue for every command in the job :alias cmd,cmdname [$nnn|text[...]] :cierror {nnn|ERROR|WARN|FAIL|OK} Sets a job’s execution state. :continue Continue job even if following job command fails. :eoj [-nowait] [nnn|ERROR|WARN|FAIL|OK|cmd] Specifies End of Jobstream. –nowait kills any executing background jobs. :goto label does an unconditional transfer to a label. :jobcard jobname[,user[,group]] [job_modifier[ …] Defines the job card for a job. If provided, must be the first line in a job file. :label labelname Provides a label location from which a job can be restarted or to which control can be transferred. :try . . . [:recover [condition]] . . . :endtry Sets up a try/recover block. First, the try block is executed. At the end of the try block (or when it errors out), if the cierror >= ERROR, the first true recover block is executed. :when condition do . . . done Base Preprocessor Expressions chr nnn – Returns ASCII equivalent character. date [+|-]nnn[.interval[.calendar][{+|-}...][;format] – date calculation displayed in a given format. Default format controlled by environment variable NLSDATEFMT. do cmd – executes cmd while preprocessing input for parmname%scope in list do . . . done - for loop inclusion if cmd . . . else . . . fi - sets up conditional include blocks include filename[,recurse] – includes contents of filename into stream. my {user|usernum|group|groupnum|dir|shell|pty|source} – returns info about the user who launched the job. parmname[%scope] – returns value of a JCS variable. while cmd do . . . done - sets up include loops