Package: gnuplot-doc
Version: 4.2.5-2
Severity: normal
Hi!
In /usr/share/doc/gnuplot-doc/html/String_005fvariables.html
the following example doesn't work:
filename = "mydata.inp"
lines = ` wc --lines @filename | sed "s/ .*//" `
The output for me is:
gnuplot> filename = "test.txt"
gnuplot> lines = ` wc --lines @filename | sed "s/ .*//" `
wc: @filename: No such file or directory
gnuplot> lines =
^
constant expression required
gnuplot>
The right way to do it seems this one instead (which is
useless for the purpose of the example):
gnuplot> filename = "test.txt"
gnuplot> lines = system(sprintf("wc --lines %s | sed 's/ .*//'", filename))
Thank you,
Luca
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