Hi,

Just saw a thread about handling strings on QL Forum

This is what I experienced.

I don’t know if this is useful.


François Van Emelen


100 open#3,con_:window#3,800,600,0,0

105 REMark test done from within QD

110 a$ = "1234567890"

115 L=len(a$)

120 b$ = a$(4 to 3): REMark This works but b$ is empty

125 rem c$ = a$(4 to 2): REMark This fails with an error.

130

135 d$=a$(0) :REMark returns 1 OK WHY?

140 REMark e$=a$(0 to 1) :REMark This fails with an error.

145 f$=a$(1) :REMark This works

150 g$=a$(L) :REMark This works

155 h$=a$(L-1 to l) :REMark This works

160 REMark i$=a$(L to L-2) :REMark This fails with an error.

165 j$=a$( to 2)

170 k$=a$( to )

175 print#3, 'b$= ';b$,len(b$)

180 print#3, 'c$: ';c$ :REMark This fails with an error.

185 print#3, 'd$= ';d$ :REMark This works

190 print#3, 'e$= ';e$ ,len(e$)

195 print#3, 'f$= ';f$

200 print#3, 'g$= ';g$

205 print#3, 'h$= ';h$

210 print#3, 'i$= ';i$

215 print#3, 'j$= ';j$

220 print#3, 'k$= ';k$ ::REMark This works returns a$

225 print#3, 'done'

230 pause

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