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tcsh: search entire array for a variable

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0

I am modifying a suite of scripts written in tcsh. Unfortunately, these scripts can't be rewritten because the program they interface with is also written in tcsh. I just want to get out of the way the idea that if I could rewrite these in BASH or literally any other language, I would.

As part of these scripts many of our variables are saved in arrays. My question is: Is there a way in tcsh where you can query if the content of a variable is present in an array (regardless of its position in the array) without using loops?

For example, I have the following array of valid ROI names:

set shortROI = {"lAmy_","mAmy_","A32p_","A32sg_"}

When the user executes the script they have an option to use a flag to say they want to redo processing for one or more specific ROIs from the options above. So like, if the flag is -remake_ROI, as part of calling the script they could add -remake_ROI lAmy or -remake_ROI lAmy A32p_ to remake those ROIs only. I have a very large while loop currently processing all possible flags but the section relevant here looks like this:

set ac = 1

set redo_rois  = 0

set roi_proc_list = 



        while ( $ac <= $#argv )

        foreach roi_opt ( $shortROI )

            if ( "$argv[$ac]" == $roi_opt )

                @ redo_rois ++

                set roi_proc_list = ( $roi_proc_list $roi_opts )

            endif

        end

        @ ac ++

    end

ac is the command line argument count, redo_rois is the number of ROIs to re-process and roi_proc_list is the actual list to redo. I was wondering instead of the many loops, if there was something like if ( "$argv[$ac]" == "$shortROI[*]" ) that would get the job done.

Thank anyone for their help.

array tcsh csh

share|improve this question

asked yesterday

chainhomelowchainhomelow

1

New contributor

chainhomelow is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

0

I am modifying a suite of scripts written in tcsh. Unfortunately, these scripts can't be rewritten because the program they interface with is also written in tcsh. I just want to get out of the way the idea that if I could rewrite these in BASH or literally any other language, I would.

As part of these scripts many of our variables are saved in arrays. My question is: Is there a way in tcsh where you can query if the content of a variable is present in an array (regardless of its position in the array) without using loops?

For example, I have the following array of valid ROI names:

set shortROI = {"lAmy_","mAmy_","A32p_","A32sg_"}

When the user executes the script they have an option to use a flag to say they want to redo processing for one or more specific ROIs from the options above. So like, if the flag is -remake_ROI, as part of calling the script they could add -remake_ROI lAmy or -remake_ROI lAmy A32p_ to remake those ROIs only. I have a very large while loop currently processing all possible flags but the section relevant here looks like this:

set ac = 1

set redo_rois  = 0

set roi_proc_list = 



        while ( $ac <= $#argv )

        foreach roi_opt ( $shortROI )

            if ( "$argv[$ac]" == $roi_opt )

                @ redo_rois ++

                set roi_proc_list = ( $roi_proc_list $roi_opts )

            endif

        end

        @ ac ++

    end

ac is the command line argument count, redo_rois is the number of ROIs to re-process and roi_proc_list is the actual list to redo. I was wondering instead of the many loops, if there was something like if ( "$argv[$ac]" == "$shortROI[*]" ) that would get the job done.

Thank anyone for their help.

array tcsh csh

share|improve this question

asked yesterday

chainhomelowchainhomelow

1

New contributor

chainhomelow is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

I am modifying a suite of scripts written in tcsh. Unfortunately, these scripts can't be rewritten because the program they interface with is also written in tcsh. I just want to get out of the way the idea that if I could rewrite these in BASH or literally any other language, I would.

As part of these scripts many of our variables are saved in arrays. My question is: Is there a way in tcsh where you can query if the content of a variable is present in an array (regardless of its position in the array) without using loops?

For example, I have the following array of valid ROI names:

set shortROI = {"lAmy_","mAmy_","A32p_","A32sg_"}

When the user executes the script they have an option to use a flag to say they want to redo processing for one or more specific ROIs from the options above. So like, if the flag is -remake_ROI, as part of calling the script they could add -remake_ROI lAmy or -remake_ROI lAmy A32p_ to remake those ROIs only. I have a very large while loop currently processing all possible flags but the section relevant here looks like this:

set ac = 1

set redo_rois  = 0

set roi_proc_list = 



        while ( $ac <= $#argv )

        foreach roi_opt ( $shortROI )

            if ( "$argv[$ac]" == $roi_opt )

                @ redo_rois ++

                set roi_proc_list = ( $roi_proc_list $roi_opts )

            endif

        end

        @ ac ++

    end

ac is the command line argument count, redo_rois is the number of ROIs to re-process and roi_proc_list is the actual list to redo. I was wondering instead of the many loops, if there was something like if ( "$argv[$ac]" == "$shortROI[*]" ) that would get the job done.

Thank anyone for their help.

array tcsh csh

share|improve this question

asked yesterday

chainhomelowchainhomelow

1

New contributor

chainhomelow is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

set shortROI = {"lAmy_","mAmy_","A32p_","A32sg_"}

set ac = 1

set redo_rois  = 0

set roi_proc_list = 



        while ( $ac <= $#argv )

        foreach roi_opt ( $shortROI )

            if ( "$argv[$ac]" == $roi_opt )

                @ redo_rois ++

                set roi_proc_list = ( $roi_proc_list $roi_opts )

            endif

        end

        @ ac ++

    end

share|improve this question

asked yesterday

chainhomelowchainhomelow

1

New contributor

chainhomelow is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

asked yesterday

chainhomelowchainhomelow

1

New contributor

chainhomelow is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked yesterday

chainhomelowchainhomelow

1

New contributor

chainhomelow is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked yesterday

chainhomelowchainhomelow

1

1 Answer
1

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1

if (" $shortROI " =~ *" $argv[$ac] "*)

   ...

endif

Example:

set list = (foo bar baz)



foreach a ($*)

        if(" $list " =~ *" $a "*) then

                echo "$a in list"

        else

                echo "$a NOT in list"

        endif

end

This may incorrectly return true if either the variable on the right side or any of the words from the list contain spaces. If you can decide on a character which cannot appear in either side (eg. @), you can replace the spaces with it in each word:

foreach a ($*:q)

        if(" $list:q:gas/ /@/ " =~ *" $a:q:as/ /@/ "*) then

        ...

share|improve this answer

edited 7 hours ago

answered 8 hours ago

mosvymosvy

16.1k22 gold badges2020 silver badges5151 bronze badges

add a comment | 

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1

if (" $shortROI " =~ *" $argv[$ac] "*)

   ...

endif

Example:

set list = (foo bar baz)



foreach a ($*)

        if(" $list " =~ *" $a "*) then

                echo "$a in list"

        else

                echo "$a NOT in list"

        endif

end

This may incorrectly return true if either the variable on the right side or any of the words from the list contain spaces. If you can decide on a character which cannot appear in either side (eg. @), you can replace the spaces with it in each word:

foreach a ($*:q)

        if(" $list:q:gas/ /@/ " =~ *" $a:q:as/ /@/ "*) then

        ...

share|improve this answer

edited 7 hours ago

answered 8 hours ago

mosvymosvy

16.1k22 gold badges2020 silver badges5151 bronze badges

add a comment | 

1

if (" $shortROI " =~ *" $argv[$ac] "*)

   ...

endif

Example:

set list = (foo bar baz)



foreach a ($*)

        if(" $list " =~ *" $a "*) then

                echo "$a in list"

        else

                echo "$a NOT in list"

        endif

end

This may incorrectly return true if either the variable on the right side or any of the words from the list contain spaces. If you can decide on a character which cannot appear in either side (eg. @), you can replace the spaces with it in each word:

foreach a ($*:q)

        if(" $list:q:gas/ /@/ " =~ *" $a:q:as/ /@/ "*) then

        ...

share|improve this answer

edited 7 hours ago

answered 8 hours ago

mosvymosvy

16.1k22 gold badges2020 silver badges5151 bronze badges

add a comment | 

if (" $shortROI " =~ *" $argv[$ac] "*)

   ...

endif

Example:

set list = (foo bar baz)



foreach a ($*)

        if(" $list " =~ *" $a "*) then

                echo "$a in list"

        else

                echo "$a NOT in list"

        endif

end

This may incorrectly return true if either the variable on the right side or any of the words from the list contain spaces. If you can decide on a character which cannot appear in either side (eg. @), you can replace the spaces with it in each word:

foreach a ($*:q)

        if(" $list:q:gas/ /@/ " =~ *" $a:q:as/ /@/ "*) then

        ...

share|improve this answer

edited 7 hours ago

answered 8 hours ago

mosvymosvy

16.1k22 gold badges2020 silver badges5151 bronze badges

if (" $shortROI " =~ *" $argv[$ac] "*)

   ...

endif

set list = (foo bar baz)



foreach a ($*)

        if(" $list " =~ *" $a "*) then

                echo "$a in list"

        else

                echo "$a NOT in list"

        endif

end

foreach a ($*:q)

        if(" $list:q:gas/ /@/ " =~ *" $a:q:as/ /@/ "*) then

        ...

share|improve this answer

edited 7 hours ago

answered 8 hours ago

mosvymosvy

16.1k22 gold badges2020 silver badges5151 bronze badges

answered 8 hours ago

mosvymosvy

16.1k22 gold badges2020 silver badges5151 bronze badges

answered 8 hours ago

mosvymosvy

16.1k22 gold badges2020 silver badges5151 bronze badges