string-match error

[Ariel Rios <ariel@gnu.org>]

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Hello y'all,

I am having problems using string-match. I have created a small script
that calls string-match and I get:

/home/ariel/console/mce/tests/./panda.scm:4:9: In procedure module-lookup:
Unbound variable: string-match

If I start guile and then use string-match there is no problem:
scheme@(guile-user)> (string-match "a" "a")
$1 = #("a" (0 . 1))

It also works if I start guile and then load the file:
[ariel@oc6281107537 tests]$ guile
GNU Guile 2.0.9
Copyright (C) 1995-2013 Free Software Foundation, Inc.

Guile comes with ABSOLUTELY NO WARRANTY; for details type `,show w'.
This program is free software, and you are welcome to redistribute it
under certain conditions; type `,show c' for details.

Enter `,help' for help.
scheme@(guile-user)> (load "panda.scm")
#(a (0 . 1))

The file contains:
#!/usr/local/bin/guile \
-e main -s
!#
(display (string-match "a" "a"))

Is there something that I am missing?

thanks,
ariel

Full Error for reference:
[ariel@oc6281107537 tests]$ guile -l panda.scm
Backtrace:
In ice-9/boot-9.scm:
 157: 7 [catch #t #<catch-closure 1b2dae0> ...]
In unknown file:
   ?: 6 [apply-smob/1 #<catch-closure 1b2dae0>]
In ice-9/boot-9.scm:
  63: 5 [call-with-prompt prompt0 ...]
In ice-9/eval.scm:
 432: 4 [eval # #]
In ice-9/boot-9.scm:
2320: 3 [save-module-excursion #<procedure 1dcb940 at
ice-9/boot-9.scm:3961:3 ()>]
3968: 2 [#<procedure 1dcb940 at ice-9/boot-9.scm:3961:3 ()>]
In unknown file:
   ?: 1 [load-compiled/vm
"/home/ariel/.cache/guile/ccache/2.0-LE-8-2.0/home/ariel/console/mce/tests/panda.scm.go"]
In /home/ariel/console/mce/tests/./panda.scm:
   4: 0 [#<procedure 1c8ab00 at
/home/ariel/console/mce/tests/./panda.scm:4:0 ()>]

/home/ariel/console/mce/tests/./panda.scm:4:9: In procedure #<procedure
1c8ab00 at /home/ariel/console/mce/tests/./panda.scm:4:0 ()>:
/home/ariel/console/mce/tests/./panda.scm:4:9: In procedure module-lookup:
Unbound variable: string-match

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