finding the index at which two strings differ

2008-05-06 Thread Poor Yorick
Looking for a simple ways to output the index at which two strings differ. Here is one: cmp (echo hello) (echo help) | cut -d' ' -f5 | tr -d , Any other suggestions? -- Yorick

Re: finding the index at which two strings differ

2008-05-06 Thread Bob Proulx
Poor Yorick wrote: Looking for a simple ways to output the index at which two strings differ. Here is one: cmp (echo hello) (echo help) | cut -d' ' -f5 | tr -d , Any other suggestions? That seems reasonable to me. Although I tend to use awk and sed for such things. The concept is

Re: finding the index at which two strings differ

2008-05-06 Thread Mike Stroyan
On Tue, May 06, 2008 at 01:29:13PM -0600, Bob Proulx wrote: Poor Yorick wrote: Looking for a simple ways to output the index at which two strings differ. Here is one: cmp (echo hello) (echo help) | cut -d' ' -f5 | tr -d , Any other suggestions? You could use substring expansion to

Memory leak when catting(/sedding/...) large binary files with backticks

2008-05-06 Thread benj
Configuration Information [Automatically generated, do not change]: Machine: x86_64 OS: linux-gnu Compiler: gcc Compilation CFLAGS: -DPROGRAM='bash' -DCONF_HOSTTYPE='x86_64' -DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='x86_64-redhat-linux-gnu' -DCONF_VENDOR='redhat'

Re: at which byte do two strings differ

2008-05-06 Thread Dave B
On Tuesday 6 May 2008 07:53, Nathan Coulter wrote: Looking for a simple ways to output the byte at which two strings differ. Here is one: cmp (echo hello) (echo help) | cut -d' ' -f5 | tr -d , Any other suggestions? I can't see how this pertains to gnu.bash.bug, however try this: echo

Re: finding the index at which two strings differ

2008-05-06 Thread Dave B
On Tuesday 6 May 2008 21:29, Bob Proulx wrote: I can't think of any way to do this natively in bash Well, there's a loop solution, but it's a bit awkward: a=help; b=hello; i=0 while [ $i -le $((${#a}-1)) ] [ $i -le $((${#b}-1)) ]; do if [ ${a:${i}:1} = ${b:${i}:1} ]; then i=$((i+1))

Re: at which byte do two strings differ

2008-05-06 Thread Stephane CHAZELAS
2008-05-06, 01:53(-04), Nathan Coulter: Looking for a simple ways to output the byte at which two strings differ. Here is one: cmp (echo hello) (echo help) | cut -d' ' -f5 | tr -d , Any other suggestions? I'd suggest you fix the locale to being C for more portable results. LC_ALL=C cmp

Bash messes up spaces in command line agruments.

2008-05-06 Thread Herrmann, Justin
Configuration Information [Automatically generated, do not change]: Machine: i486 OS: linux-gnu Compiler: gcc Compilation CFLAGS: -DPROGRAM='bash' -DCONF_HOSTTYPE='i486' -DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='i486-pc-linux-gnu' -DCONF_VENDOR='pc' -DLOCALEDIR='/usr/share/locale'

Re: Bash messes up spaces in command line agruments.

2008-05-06 Thread Eric Blake
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 According to Herrmann, Justin on 5/6/2008 8:20 AM: | Description: When I try to pass strings inside double or single quotes | as command line arguments to my Bash script, leading spaces, trailing | spaces, and multiple grouped embedded spaces are