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FW: B20: 'ash' (not bash) parameter expansion difficulties
- To: cygwin at SourceWare dot cygnus dot com
- Subject: FW: B20: 'ash' (not bash) parameter expansion difficulties
- From: David B King <dbking at juno dot com>
- Date: Sun, 31 Oct 1999 14:29:52 CST
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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