02-05-2008
awk "Invalid char ' in expession" error
I have an HP PPM (ITG) application that is running an awk command in cygwin bash shell as part of ITG process moving SAP transports on a Windows 2003 server. The awk command checks the first two characters of a file containing return code that was retrieved from the SAP server. It is throwing the error "invalid character ' in expression" . The following is the log:
sent command:
bash-2.05$ cat imp_619015_5.txt; echo KSC_EXIT_STATUS $?
received echo:
cat imp_619015_5.txt; echo KSC_EXIT_STATUS $?
00#!#Successful, Return Code: 00
KSC_EXIT_STATUS 0
sent command:
bash-2.05$ returncode=`cat imp_619015_5.txt | awk '{printf substr($1,1,2)}'`; echo KSC_EXIT_STATUS $?
received echo:
returncode=`cat imp_619015_5.txt | awk '{printf substr($1,1,2)}'`; echo KSC_EXIT_STATUS $?
awk: cmd. line:1: {printf substr($1,1,2)}
awk: cmd. line:1: ^ Invalid char ' in expression
KSC_EXIT_STATUS 2
Command: [returncode=`cat imp_619015_5.txt | awk '{printf substr($1,1,2)}'`] did not complete successfully.
Aborting command execution.
Closing telnet session.
Errors occurred during command execution.
When I run the awk command in the command line in the bash shell on the server and echo the returncode variable, it returns "00" as expected. Not sure why it is failing in ITG. Rebooting the server seems to solve the problem temporaraly but the problem comes back after a few days. Anyone have another way to run this command that I could try? Any ideas what could be causing the error? I do not have much experience in unix scripting.
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LEARN ABOUT LINUX
shtool-path
SHTOOL-PATH.TMP(1) GNU Portable Shell Tool SHTOOL-PATH.TMP(1)
NAME
shtool-path - GNU shtool command dealing with shell path variables
SYNOPSIS
shtool path [-s|--suppress] [-r|--reverse] [-d|--dirname] [-b|--basename] [-m|--magic] [-p|--path path] str [str ...]
DESCRIPTION
This command deals with shell $PATH variables. It can find a program through one or more filenames given by one or more str arguments. It
prints the absolute filesystem path to the program displayed on "stdout" plus an exit code of 0 if it was really found.
OPTIONS
The following command line options are available.
-s, --suppress
Supress output. Useful to only test whether a program exists with the help of the return code.
-r, --reverse
Transform a forward path to a subdirectory into a reverse path.
-d, --dirname
Output the directory name of str.
-b, --basename
Output the base name of str.
-m, --magic
Enable advanced magic search for ""perl"" and ""cpp"".
-p, --path path
Search in path. Default is to search in $PATH.
EXAMPLE
# shell script
awk=`shtool path -p "${PATH}:." gawk nawk awk`
perl=`shtool path -m perl`
cpp=`shtool path -m cpp`
revpath=`shtool path -r path/to/subdir`
HISTORY
The GNU shtool path command was originally written by Ralf S. Engelschall <rse@engelschall.com> in 1998 for Apache. It was later taken
over into GNU shtool.
SEE ALSO
shtool(1), which(1).
18-Jul-2008 shtool 2.0.8 SHTOOL-PATH.TMP(1)