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Find file while other file exist in same directory

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0

I'm trying to do "one line script" or really small bash script.

It have to find file (for example ./xxx/one.php) and if that file exist edit (with printf or echo) other file IN SAME directory (for example ./xxx/test.php).

Right now I made second part - editing existing file, but I don't have idea how to, or where to enter "if".

Actually I have something like that

for file in `find . -name "test*.php"` ; do



(printf "It's me, on first line n and me on second linen" && cat $file) > "$file".bak && mv "$file".bak "$file"



done

It's should be something like this?

if [[ `find . -name "one*.php` ]]; do



for file in `find . -name "test*.php"` ; do



(printf "It's me, on first line n and me on second linen" && cat $file) > "$file".bak && mv "$file".bak "$file"



done

done

linux bash find for

share|improve this question

asked 6 hours ago

TheTanaduTheTanadu

104

add a comment | 

0

I'm trying to do "one line script" or really small bash script.

It have to find file (for example ./xxx/one.php) and if that file exist edit (with printf or echo) other file IN SAME directory (for example ./xxx/test.php).

Right now I made second part - editing existing file, but I don't have idea how to, or where to enter "if".

Actually I have something like that

for file in `find . -name "test*.php"` ; do



(printf "It's me, on first line n and me on second linen" && cat $file) > "$file".bak && mv "$file".bak "$file"



done

It's should be something like this?

if [[ `find . -name "one*.php` ]]; do



for file in `find . -name "test*.php"` ; do



(printf "It's me, on first line n and me on second linen" && cat $file) > "$file".bak && mv "$file".bak "$file"



done

done

linux bash find for

share|improve this question

asked 6 hours ago

TheTanaduTheTanadu

104

add a comment | 

I'm trying to do "one line script" or really small bash script.

It have to find file (for example ./xxx/one.php) and if that file exist edit (with printf or echo) other file IN SAME directory (for example ./xxx/test.php).

Right now I made second part - editing existing file, but I don't have idea how to, or where to enter "if".

Actually I have something like that

for file in `find . -name "test*.php"` ; do



(printf "It's me, on first line n and me on second linen" && cat $file) > "$file".bak && mv "$file".bak "$file"



done

It's should be something like this?

if [[ `find . -name "one*.php` ]]; do



for file in `find . -name "test*.php"` ; do



(printf "It's me, on first line n and me on second linen" && cat $file) > "$file".bak && mv "$file".bak "$file"



done

done

linux bash find for

share|improve this question

asked 6 hours ago

TheTanaduTheTanadu

104

for file in `find . -name "test*.php"` ; do



(printf "It's me, on first line n and me on second linen" && cat $file) > "$file".bak && mv "$file".bak "$file"



done

if [[ `find . -name "one*.php` ]]; do



for file in `find . -name "test*.php"` ; do



(printf "It's me, on first line n and me on second linen" && cat $file) > "$file".bak && mv "$file".bak "$file"



done

done

share|improve this question

asked 6 hours ago

TheTanaduTheTanadu

104

share|improve this question

asked 6 hours ago

TheTanaduTheTanadu

104

asked 6 hours ago

TheTanaduTheTanadu

104

asked 6 hours ago

TheTanaduTheTanadu

104

1 Answer
1

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0

The -execdir option to find is handy here:

find -name 'one*.php' -execdir bash -c '

if [ -e test.php ] ; then

    printf ... && mv test.bak test.php

fi' {} ;

-execdir is

Like -exec, but the specified command is run from the subdirectory containing the matched file, which is not normally the directory in which you started find.

-execdir will run the given command in the directory the found file was in, so the test.php file "next to" it will be right there to manipulate. Here we launch bash in that directory and run a small script there to make the manipulations you want. There's no need to complex path manipulations or re-finding the file. Above I check that the file exists, but if it will always be there (or you want to create it unconditionally) you can take the if out.

-execdir is a GNU find extension, not in POSIX, but you very likely have that given your tags. One caveat is that your PATH environment variable can't contain . or any other relative paths (including an empty element), for security reasons, so if your ambient one does you'll need to reset it first: PATH=... find ....

share|improve this answer

answered 5 hours ago

Michael HomerMichael Homer

51.4k8142179

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  So because my PATH can't contain dot... it will by default search in current directory?
  
  – TheTanadu
  5 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  If you have a . or empty element in PATH, executables will be searched for in the current directory, but the default is that they are not. That part is just a caveat about when find -execdir will refuse to run, which is confusing to encounter otherwise.
  
  – Michael Homer
  5 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Oh ok, thank you for explaining.
  
  – TheTanadu
  5 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I found that when I pasted that into .sh executable file and run it I get bash skrypt.sh: line 4: unexpected EOF while looking for matching `"' skrypt.sh: line 6: syntax error: unexpected end of file
  
  – TheTanadu
  5 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  You're missing a closing ", somewhere. I don't know where, because that's something you've added, but the opening quote should be on line 4.
  
  – Michael Homer
  5 hours ago
  

  
  
  
  

 | 
show 5 more comments

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0

The -execdir option to find is handy here:

find -name 'one*.php' -execdir bash -c '

if [ -e test.php ] ; then

    printf ... && mv test.bak test.php

fi' {} ;

-execdir is

Like -exec, but the specified command is run from the subdirectory containing the matched file, which is not normally the directory in which you started find.

-execdir will run the given command in the directory the found file was in, so the test.php file "next to" it will be right there to manipulate. Here we launch bash in that directory and run a small script there to make the manipulations you want. There's no need to complex path manipulations or re-finding the file. Above I check that the file exists, but if it will always be there (or you want to create it unconditionally) you can take the if out.

-execdir is a GNU find extension, not in POSIX, but you very likely have that given your tags. One caveat is that your PATH environment variable can't contain . or any other relative paths (including an empty element), for security reasons, so if your ambient one does you'll need to reset it first: PATH=... find ....

share|improve this answer

answered 5 hours ago

Michael HomerMichael Homer

51.4k8142179

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  So because my PATH can't contain dot... it will by default search in current directory?
  
  – TheTanadu
  5 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  If you have a . or empty element in PATH, executables will be searched for in the current directory, but the default is that they are not. That part is just a caveat about when find -execdir will refuse to run, which is confusing to encounter otherwise.
  
  – Michael Homer
  5 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Oh ok, thank you for explaining.
  
  – TheTanadu
  5 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I found that when I pasted that into .sh executable file and run it I get bash skrypt.sh: line 4: unexpected EOF while looking for matching `"' skrypt.sh: line 6: syntax error: unexpected end of file
  
  – TheTanadu
  5 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  You're missing a closing ", somewhere. I don't know where, because that's something you've added, but the opening quote should be on line 4.
  
  – Michael Homer
  5 hours ago
  

  
  
  
  

 | 
show 5 more comments

0

The -execdir option to find is handy here:

find -name 'one*.php' -execdir bash -c '

if [ -e test.php ] ; then

    printf ... && mv test.bak test.php

fi' {} ;

-execdir is

Like -exec, but the specified command is run from the subdirectory containing the matched file, which is not normally the directory in which you started find.

-execdir will run the given command in the directory the found file was in, so the test.php file "next to" it will be right there to manipulate. Here we launch bash in that directory and run a small script there to make the manipulations you want. There's no need to complex path manipulations or re-finding the file. Above I check that the file exists, but if it will always be there (or you want to create it unconditionally) you can take the if out.

-execdir is a GNU find extension, not in POSIX, but you very likely have that given your tags. One caveat is that your PATH environment variable can't contain . or any other relative paths (including an empty element), for security reasons, so if your ambient one does you'll need to reset it first: PATH=... find ....

share|improve this answer

answered 5 hours ago

Michael HomerMichael Homer

51.4k8142179

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  So because my PATH can't contain dot... it will by default search in current directory?
  
  – TheTanadu
  5 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  If you have a . or empty element in PATH, executables will be searched for in the current directory, but the default is that they are not. That part is just a caveat about when find -execdir will refuse to run, which is confusing to encounter otherwise.
  
  – Michael Homer
  5 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Oh ok, thank you for explaining.
  
  – TheTanadu
  5 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I found that when I pasted that into .sh executable file and run it I get bash skrypt.sh: line 4: unexpected EOF while looking for matching `"' skrypt.sh: line 6: syntax error: unexpected end of file
  
  – TheTanadu
  5 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  You're missing a closing ", somewhere. I don't know where, because that's something you've added, but the opening quote should be on line 4.
  
  – Michael Homer
  5 hours ago
  

  
  
  
  

 | 
show 5 more comments

The -execdir option to find is handy here:

find -name 'one*.php' -execdir bash -c '

if [ -e test.php ] ; then

    printf ... && mv test.bak test.php

fi' {} ;

-execdir is

Like -exec, but the specified command is run from the subdirectory containing the matched file, which is not normally the directory in which you started find.

-execdir will run the given command in the directory the found file was in, so the test.php file "next to" it will be right there to manipulate. Here we launch bash in that directory and run a small script there to make the manipulations you want. There's no need to complex path manipulations or re-finding the file. Above I check that the file exists, but if it will always be there (or you want to create it unconditionally) you can take the if out.

-execdir is a GNU find extension, not in POSIX, but you very likely have that given your tags. One caveat is that your PATH environment variable can't contain . or any other relative paths (including an empty element), for security reasons, so if your ambient one does you'll need to reset it first: PATH=... find ....

share|improve this answer

answered 5 hours ago

Michael HomerMichael Homer

51.4k8142179

find -name 'one*.php' -execdir bash -c '

if [ -e test.php ] ; then

    printf ... && mv test.bak test.php

fi' {} ;

share|improve this answer

answered 5 hours ago

Michael HomerMichael Homer

51.4k8142179

answered 5 hours ago

Michael HomerMichael Homer

51.4k8142179

answered 5 hours ago

Michael HomerMichael Homer

51.4k8142179