Displaying 1 result from an estimated 1 matches for "an_env_var".
2010 Mar 29
3
one way to write scripts in R
...i+1]=parts[i+1]
}
text=pp(collap,collapse="")
res[bt[j]]=text
} # for j
} #end if length(bt)
res
}
#
# now demonstrate the use of ppp() in a scripting context:
#
today="date"
month=3
year=2010
show=list()
show$syntax = 43
Sys.setenv(AN_ENV_VAR="greetings (I'm an env var!)")
demo=ppp("Getting $AN_ENV_VAR from the environment, on `$today`,
substituting ${show$syntax} in named lists is also possible. `cal $month
$year| head` ")
cat("here's the demo output\n")
cat(demo,sep="\n")
## # output...