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Re: FW: B20: 'ash' (not bash) parameter expansion difficulties


You might have some other problems.
You apparently have other un*x type tools in c:/bin and c:/BIN
which hide the cygwin supplied ones. It's probably
best if they are not in your path when using cygwin.
Also, your mounted network drives may slow down your
machine when doing compilations. 

At 02:29 PM 10/31/99 -0600, you wrote:
>Greetings,
>
>After further research and RTFM, I have discovered that my
>parameter expansion problems lie with 'ash', not 'bash' as I
>previously thought.
>
>The comment that highlighted my mistake was:
>
>    Note that Cygwin comes with two shells: bash.exe and sh.exe, which
>    is based on ash. The system is faster when ash is used as the
>    non-interactive shell. In case of trouble with ash make sh.exe
>    point to bash.exe.
>
>found in:
>
>    http://sourceware.cygnus.com/cygwin/cygwin-ug-net/setup-dir.html
>
>And, indeed, using 'bash' resolves my issue.
>
>Thanks,
>Bart King
>
>--------- Begin forwarded message ----------
>From: DBKing
>To: cygwin@SourceWare.cygnus.com
>Subject: B20:  bash parameter expansion difficulties
>Date: Tue, 26 Oct 1999 15:30:27 CDT
>
>Greetings,
>
>I am having trouble with the '%%' operator when doing parameter
>expansion in 'bash'.  Below is the behavior I see:
>
>	$ echo $TERM
>	pcterm
>	$ echo ${TERM%%rm}
>	pct
>	$ echo ${TERM##pc}
>	term
>	$
>
>I had expected the result of "${TERM%%rm}" to be "pcte".  Alas,
>it is not so.  Note, however, that the "##" operator does work
>as I expect it to.
>
>Perhaps someone can tell me whether the difficulty lies with the
>user (myself and my expectations), with the system configuration,
>or with the the program (bash).
>
>To show my system configuration, I have attached the output from
>'cygcheck -s -v -r' at the end of this note.
>
>Thanks to anyone who can shed some light on my questions.
>
>Enjoy,
>Bart King
>______________________________________________________________________
>D. B. (Bart) King                 mailto:DBKing@Juno.com
>16500 Lauder Lane, Suite 11101    mailto:PattiKing@Juno.com
>Dallas, TX 75248-1766
>972-380-1571 (home)               972-497-4482 (work)
>
>----- cygcheck.out -----
>Cygnus Win95/NT Configuration Diagnostics
>Current System Time: Tue Oct 26 09:17:31 1999
>
>Win95 Ver 4.0 build 67109814 
>
>Path:	/UTILITY
>	/BIN
>	/CYGNUS/CYGWIN~1/H-I586~1/BIN
>	/HP/I/MS/OFF97PRO/32.0/OFFICE
>	/WB
>	/WINDOWS/COMMAND
>	/WINDOWS
>	/DOS
>
>SysDir: C:\WINDOWS\SYSTEM
>WinDir: C:\WINDOWS
>
>HOME = `/dbk'
>MAKE_MODE = `UNIX'
>
>!C: = `C:\develop\fina\ADS_ENG'
>TMP = `C:\WINDOWS\TEMP'
>WINBOOTDIR = `C:\WINDOWS'
>PROMPT = `$p$g'
>COMSPEC = `C:\WINDOWS\COMMAND.COM'
>OS_BIN = `C:\WINDOWS\COMMAND;C:\WINDOWS;C:\DOS'
>TEMP = `C:\TEMP'
>PROTMAN = `C:\WINDOWS\SYSTEM\WINA20.386'
>SOUND = `C:\SB16'
>MIDI = `SYNTH:1 MAP:E'
>ROOTDIR = `c:'
>ZSHROOT = `c:/'
>TMPDIR = `c:/tmp'
>TMPPREFIX = `c:/tmp/zsh'
>LOGNAME = `dbk'
>ENV = `c:/dbk/environ.ksh'
>DOSHOME = `c:\dbk'
>ZDOTDIR = `c:/dbk/zdotdir'
>TERM = `pcterm'
>ZSH_ISWIN95 = `YES'
>CYGNUS_BIN = `C:\CYGNUS\CYGWIN~1\H-I586~1\BIN'
>VIM = `C:\VIM-5.3'
>OFFICE_BIN = `C:\HP\I\MS\OFF97PRO\32.0\OFFICE'
>TXOBIN = `C:\WB'
>TXOINC = `C:\WB\INCL_480'
>TXOLIB = `C:\WB\LIB24'
>TXOCMD = `-Vp4.1'
>CV = `C:\WB\EM_CNV24'
>INCLUDE = `C:\WB\INCL_480'
>DEPT = `N:\Verifone\Petcaps'
>PERSONAL = `C:\Windows'
>INFONET = `K:'
>WINDIR = `C:\WINDOWS'
>BLASTER = `A220 I5 D1 H6 P330 T6'
>CMDLINE = `cygcheck -s -v -r '

>
>HKEY_CURRENT_USER\Software\Cygnus Solutions
>HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup
>HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0
>HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts
>HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL
>setup\b15.0\mounts\00
>  (default) = `C:'
>  unix = `/'
>  fbinary = 0x00000000
>  fsilent = 0x00000000
>HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Cygnus
>Cygwin B20
>  (default) = `C:\WINDOWS\IsUninst.exe -fc:\cygnus\cygwin-b20\Uninst.isu'
>  DisplayName = `Cygwin B20'
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin B20
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin B20\B20.1
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\GNUPro
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\GNUPro\i586-cygwin32
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus
>Solutions\GNUPro\i586-cygwin32\i586-cygwin32
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus
>Solutions\GNUPro\i586-cygwin32\i586-cygwin32\cygwin-B20.1
>  (default) = `c:\cygnus\cygwin-b20'
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
>setup\b15.0\mounts
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
>setup\b15.0\mounts\00
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
>setup\b15.0\mounts\01
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
>setup\b15.0\mounts\02
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
>setup\b15.0\mounts\03
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
>setup\b15.0\mounts\04
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
>setup\b15.0\mounts\05
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
>setup\b15.0\mounts\06
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
>setup\b15.0\mounts\07
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
>setup\b15.0\mounts\08
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
>setup\b15.0\mounts\09
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
>setup\b15.0\mounts\0A
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
>setup\b15.0\mounts\0B
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
>setup\b15.0\mounts\0C
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
>setup\b15.0\mounts\0D
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
>setup\b15.0\mounts\0E
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
>setup\b15.0\mounts\0F
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
>setup\b15.0\mounts\10
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
>setup\b15.0\mounts\11
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
>setup\b15.0\mounts\12
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
>setup\b15.0\mounts\13
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
>setup\b15.0\mounts\14
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
>setup\b15.0\mounts\15
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL

>setup\b15.0\mounts\16
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
>setup\b15.0\mounts\17
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
>setup\b15.0\mounts\18
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
>setup\b15.0\mounts\19
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
>setup\b15.0\mounts\1A
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
>setup\b15.0\mounts\1B
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
>setup\b15.0\mounts\1C
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
>setup\b15.0\mounts\1D
>
>a:\ fd           N/A    N/A                    
>c:\ hd  FAT      N/A    N/A CP    UN           BART_KING
>d:\ cd  CDFS     N/A    N/A CP                 Audio CD
>e:\ fd           N/A    N/A                    
>i:\ net NTFS     N/A    N/A CP CS UN PA FC     Users & Dep
>j:\ net NTFS     N/A    N/A CP CS UN PA FC     Infonet
>k:\ net NTFS     N/A    N/A CP CS UN PA FC     Infonet
>m:\ net NTFS     N/A    N/A CP CS UN PA FC     
>n:\ net NTFS     N/A    N/A CP CS UN PA FC     Users & Dep
>
>C:    /        native  text!=binary
>
>Found: C:\BIN\bash.exe
>Found: C:\CYGNUS\CYGWIN~1\H-I586~1\BIN\bash.exe
>Warning: C:\BIN\bash.exe hides C:\CYGNUS\CYGWIN~1\H-I586~1\BIN\bash.exe
>Found: \bin\bash.exe
>Warning: C:\BIN\bash.exe hides \bin\bash.exe
>Found: C:\BIN\cat.exe
>Found: C:\CYGNUS\CYGWIN~1\H-I586~1\BIN\cat.exe
>Warning: C:\BIN\cat.exe hides C:\CYGNUS\CYGWIN~1\H-I586~1\BIN\cat.exe
>Found: \bin\cat.exe
>Warning: C:\BIN\cat.exe hides \bin\cat.exe
>Not Found: cpp (good!)
>Found: C:\BIN\find.exe
>Found: C:\CYGNUS\CYGWIN~1\H-I586~1\BIN\find.exe
>Warning: C:\BIN\find.exe hides C:\CYGNUS\CYGWIN~1\H-I586~1\BIN\find.exe
>Found: C:\WINDOWS\COMMAND\find.exe
>Warning: C:\BIN\find.exe hides C:\WINDOWS\COMMAND\find.exe
>Found: \bin\find.exe
>Warning: C:\BIN\find.exe hides \bin\find.exe
>Found: C:\CYGNUS\CYGWIN~1\H-I586~1\BIN\gcc.exe
>Found: C:\CYGNUS\CYGWIN~1\H-I586~1\BIN\gdb.exe
>Found: C:\CYGNUS\CYGWIN~1\H-I586~1\BIN\ld.exe
>Found: C:\BIN\ls.exe
>Found: C:\CYGNUS\CYGWIN~1\H-I586~1\BIN\ls.exe
>Warning: C:\BIN\ls.exe hides C:\CYGNUS\CYGWIN~1\H-I586~1\BIN\ls.exe
>Found: \bin\ls.exe
>Warning: C:\BIN\ls.exe hides \bin\ls.exe
>Found: C:\CYGNUS\CYGWIN~1\H-I586~1\BIN\make.exe
>Found: C:\BIN\sh.exe
>Found: C:\CYGNUS\CYGWIN~1\H-I586~1\BIN\sh.exe
>Warning: C:\BIN\sh.exe hides C:\CYGNUS\CYGWIN~1\H-I586~1\BIN\sh.exe
>Found: \bin\sh.exe
>Warning: C:\BIN\sh.exe hides \bin\sh.exe
>
>  371k 1998/12/01 C:\CYGNUS\CYGWIN~1\H-I586~1\BIN\cygtcl80.dll - os=4.0
>img=1.0 sys=4.0
>                  "cygtcl80.dll" v0.0 ts=1998/12/1 2:25
>    5k 1998/12/01 C:\CYGNUS\CYGWIN~1\H-I586~1\BIN\cygtclpip80.dll -
>os=4.0 img=1.0 sys=4.0
>   10k 1998/12/01 C:\CYGNUS\CYGWIN~1\H-I586~1\BIN\cygtclreg80.dll -
>os=4.0 img=1.0 sys=4.0
>                  "cygtclreg80.dll" v0.0 ts=1998/12/1 2:25
>  600k 1998/12/01 C:\CYGNUS\CYGWIN~1\H-I586~1\BIN\cygtk80.dll - os=4.0
>img=1.0 sys=4.0
>                  "cygtk80.dll" v0.0 ts=1998/12/1 2:28
>  446k 1998/12/04 C:\CYGNUS\CYGWIN~1\H-I586~1\BIN\cygwin1.dll - os=4.0
>img=1.0 sys=4.0

>                  "cygwin1.dll" v0.0 ts=1998/12/3 22:39
>Use -h to see help about each section
>--------- End forwarded message ----------
>
>___________________________________________________________________
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