mirror of https://github.com/moparisthebest/wget
77 lines
1.7 KiB
Plaintext
77 lines
1.7 KiB
Plaintext
$! 22 September 2009. SMS.
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$!
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$! Extract the AC_INIT strings from the "configure.ac" file.
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$!
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$! P1 = input file spec.
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$! P2, P3, P4 = logical names to be defined with the extracted text.
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$!
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$! We're expecting to extract the bracketed text from the "[text]"
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$! tokens from a block of text like:
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$!
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$! AC_INIT([wget],
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$! [1.12-devel],
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$! [bug-wget@gnu.org])
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$!
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$! That is, starting with "AC_INIT", and ending with ")".
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$!
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$ file_in_open = 0
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$ ac_init = ""
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$!
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$ on error then goto tidy
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$!
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$ open /error = tidy /read file_in 'p1'
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$ file_in_open = 1
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$ state = 0 ! Looking for "AC_INIT".
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$!
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$ loop_read:
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$!
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$ read /error = tidy file_in line
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$ line_len = f$length( line)
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$ if (state .eq. 0)
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$ then
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$ if (f$locate( "AC_INIT", line) .lt line_len)
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$ then
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$ ac_init = line
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$ state = 1 ! Looking for ")".
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$ endif
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$ else
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$ if (f$locate( ")", line) .lt line_len)
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$ then
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$ state = 2 ! Found ")". (Done.)
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$ endif
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$ ac_init = ac_init+ line
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$ endif
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$!
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$ if (state .ne. 2) then goto loop_read
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$!
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$ t1 = f$element( 0, "]", f$element( 1, "[", ac_init))
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$ t2 = f$element( 0, "]", f$element( 2, "[", ac_init))
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$ t3 = f$element( 0, "]", f$element( 3, "[", ac_init))
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$!
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$ if (p2 .nes. "")
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$ then
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$ define 'p2' "''t1'"
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$ else
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$ write sys$output " 1: >''t1'<"
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$ endif
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$!
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$ if (p3 .nes. "")
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$ then
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$ define 'p3' "''t2'"
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$ else
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$ write sys$output " 2: >''t2'<"
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$ endif
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$!
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$ if (p4 .nes. "")
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$ then
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$ define 'p4' "''t3'"
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$ else
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$ write sys$output " 3: >''t3'<"
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$ endif
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$!
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$ tidy:
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$ if (file_in_open)
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$ then
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$ close file_in
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$ endif
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