# single narrow column (-n 1): the first document splits below its source
# shell, like Tty. A new column would require at least 200 cells of width.
lines big.txt 60
start 31 100 -n 1
wait 8000 big.txt
stable 700 20000
press left 5 9
release left 5 9
stable 400 5000
key i
text big.txt:40
key esc
settle 100
stable 400 5000
press right 7 9
release right 7 9
stable 700 15000
snap file-open-1col