print a line when NOT in a file

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Top Forums Shell Programming and Scripting print a line when NOT in a file
# 8  
Old 11-08-2009
Originally Posted by TonyLawrence
And yet another way which, depending upon what you are doing next, may or may not be more convenient:

for i in `cat list1.txt`; do grep -q $i paragraph.txt || echo $i; done

for i in `cat list1.txt`; do grep -iq $i paragraphs.txt || echo $i; done

that's expensive operation, calling grep for each line in list1.txt. use grep's -f option when possible
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TXTRecordCreate(3DNS_SD)			      DNS Service Discovery Library Functions				  TXTRecordCreate(3DNS_SD)

TXTRecordCreate, TXTRecordDeallocate, TXTRecordSetValue, TXTRecordRemoveValue, TXTRecordGetLength, TXTRecordGetBytesPtr, TXTRecordCon- tainsKey, TXTRecordGetValuePtr, TXTRecordGetCount, TXTRecordGetItemAtIndex - DNS TXT record manipulation functions SYNOPSIS
cc [ flag ... ] file ... -ldns_sd [ library ... ] #include <dns_sd.h> void TXTRecordCreate(TXTRecordRef *txtRecord, uint16_t bufferLen, void *buffer); void TXTRecordDeallocate(TXTRecordRef*txtRecord); DNSServiceErrorType txtRecord(TXTRecordRef *txtRecord, const char *key, uint8_t valueSize, const void *value); DNSServiceErrorType TXTRecordRemoveValue(TXTRecordRef *txtRecord, const char *key); uint16_t TXTRecordGetLength(const TXTRecordRef *txtRecord); const void *TXTRecordGetBytesPtr(const TXTRecordRef *txtRecord); int *TXTRecordContainsKey(uint16_t *txtLen, const void *txtRecord, const char *key); const void *TXTRecordGetValuePtr(uint16_t *txtLen, const void *txtRecord, const char *key, uint8_t *valueLen); uint16_t *TXTRecordGetCount(uint16_t *txtLen, const void *txtRecord); DNSServiceErrorType TXTRecordGetItemAtIndex(uint16_t *txtLen, const void *txtRecord, uint16_t *index, uint16_t *keyBufLen, char *key, uint8_t *valueLen, const void **value); DESCRIPTION
These functions in the libdns_sd library allow applications to create and to manipulate TXT resource records. TXT resource records enable applications to include service specific information, other than a host name and port number, as part of the service registration. ATTRIBUTES
See attributes(5) for description of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Committed | +-----------------------------+-----------------------------+ |MT-Level |Safe | +-----------------------------+-----------------------------+ SEE ALSO
attributes(5) SunOS 5.11 20 Aug 2007 TXTRecordCreate(3DNS_SD)