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Different results in PS shell and cmd.exe shell


Different results in PS shell and cmd.exe shell

By : Claudio H. Yoshii
Date : November 21 2020, 03:00 PM
wish helps you I can't explain the behavior, but why take such a convoluted approach in the first place? Something like this would be clearer and more straightforward:
code :
$suffix = $orgfile -replace '^[^.]*'
Get-Content $prodfile | ForEach-Object {
    Copy-Item -Path $orgfile -Destination "${_}${suffix}" -WhatIf
}
$pattern     = '^[^.]*'
$replacement = ''

Get-Content $prodfile | ForEach-Object {
    $suffix = $orgfile -replace $pattern, $replacement
    Copy-Item -Path $orgfile -Destination "${_}${suffix}" -WhatIf
}


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How can I tell from a within a shell script if the shell that invoked it is an interactive shell?

How can I tell from a within a shell script if the shell that invoked it is an interactive shell?


By : ghostwriter
Date : March 29 2020, 07:55 AM
this one helps. I'm trying to set up a shell script that will start a screen session (or rejoin an existing one) only if it is invoked from an interactive shell. The solution I have seen is to check if $- contains the letter "i": , Give this a try and see if it does what you're looking for:
code :
#!/bin/sh
if [ $_ != $0 ]
then
  echo interactive;
else
  echo noninteractive;
fi
   0      Expands to the name of the shell or shell script.  This  is  set
          at shell initialization.  If bash is invoked with a file of com‐
          mands, $0 is set to the name of that file.  If bash  is  started
          with  the  -c option, then $0 is set to the first argument after
          the string to be executed, if one is present.  Otherwise, it  is
          set  to  the file name used to invoke bash, as given by argument
          zero.
   _      At shell startup, set to the absolute pathname  used  to  invoke
          the  shell or shell script being executed as passed in the envi‐
          ronment or argument list.  Subsequently,  expands  to  the  last
          argument  to the previous command, after expansion.  Also set to
          the full pathname used  to  invoke  each  command  executed  and
          placed in the environment exported to that command.  When check‐
          ing mail, this parameter holds the name of the  mail  file  cur‐
          rently being checked.
Shell command works in shell but not in shell script

Shell command works in shell but not in shell script


By : Vitaliy Bondarenko
Date : March 29 2020, 07:55 AM
help you fix your problem i am trying to write a unix shell script to search for all header files for a given text, and then find how many times each header file is included in other files. , You are using single quotes in this command:
code :
    filelist=$(grep '$incstring' -rl --include=*.{h,cpp} pathToFiles)
    filelist=$(grep "$incstring" -rl --include=*.{h,cpp} pathToFiles)
bash script, execute shell from another shell and assign results to a variable

bash script, execute shell from another shell and assign results to a variable


By : Miric
Date : March 29 2020, 07:55 AM
it helps some times general ways to pass output from a subshell to the higher level shell is like this:
code :
 variable="$(command in subshell)"
read -t variable < <(command)
response="$(cd $path_to_del;./delete.sh   "-physicalDelete=true")"
cd $path_to_del
response="$(./delete.sh   "-physicalDelete=true")"
response= working on batch number:
db2 query in shell script doesn't run with empty results in shell

db2 query in shell script doesn't run with empty results in shell


By : jim_at_jibba
Date : March 29 2020, 07:55 AM
With these it helps $(db2 -x "connect to $DB_NAME...) executes in a subshell, which terminates the connection when the subshell exits, so by the time you get to db2 "SELECT C.PARTNUMBER..." the connection does not exist.
How does one Capturing shell output with Shell.Run instead of Shell.Exec in VBA?

How does one Capturing shell output with Shell.Run instead of Shell.Exec in VBA?


By : Lonmalice
Date : March 29 2020, 07:55 AM
it should still fix some issue
One option is processing "stuff' with pandas and save as csv, then pull into VBA as array(s) or even do everything in python before pulling the end result in VBA for formatting, emailing, whatever you need VBA for.
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